Merge branch 'direct-calls' into zefuzz-dc

author: Craig Tiller <ctiller@google.com> 2016-09-23 09:52:37 -0700
committer: Craig Tiller <ctiller@google.com> 2016-09-23 09:52:37 -0700
commit: c5423beeb89982a2c9f59a926e5807555122a1ca (patch)
tree: dd6a7fb08e4d3be123bf13025c2ae3b43f817436 /test
parent: 3f665f5fefb4ec7687f44d8a60eb660bee1f3e6c (diff)
parent: 687a0e641057d42394e1574629df6368cc6e5322 (diff)
150 files changed, 991 insertions, 242 deletions
diff --git a/test/core/bad_client/tests/large_metadata.c b/test/core/bad_client/tests/large_metadata.c
index d106ce6210..b9c8093ef9 100644
--- a/test/core/bad_client/tests/large_metadata.c
+++ b/test/core/bad_client/tests/large_metadata.c
@@ -50,6 +50,7 @@
   "\x00\x00\x00\x04\x00\x00\x00\x00\x00" /* headers: generated from        \
                                             large_metadata.headers in this \
                                             directory */                   \
+  "\x00\x00\x00\x04\x01\x00\x00\x00\x00"                                   \
   "\x00"                                                                   \
   "5{\x01\x05\x00\x00\x00\x01"                                             \
   "\x10\x05:path\x08/foo/bar"                                              \
@@ -92,6 +93,7 @@
                                                                     in this                \
                                                                     directory              \
                                                                     */                     \
+  "\x00\x00\x00\x04\x01\x00\x00\x00\x00"                                                   \
   "\x00\x00\xc9\x01\x04\x00\x00\x00\x01"                                                   \
   "\x10\x05:path\x08/foo/bar"                                                              \
   "\x10\x07:scheme\x04http"                                                                \
diff --git a/test/core/census/data/context_empty.pb b/test/core/census/data/context_empty.pb
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/core/census/data/context_empty.pb
diff --git a/test/core/census/data/context_empty.txt b/test/core/census/data/context_empty.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/core/census/data/context_empty.txt
diff --git a/test/core/census/data/context_full.pb b/test/core/census/data/context_full.pb
new file mode 100644
index 0000000000..80ebcf280b
--- /dev/null
+++ b/test/core/census/data/context_full.pb
diff --git a/test/core/census/data/context_full.txt b/test/core/census/data/context_full.txt
new file mode 100644
index 0000000000..7901a10c33
--- /dev/null
+++ b/test/core/census/data/context_full.txt
@@ -0,0 +1,3 @@
+trace_id { hi : 5; lo : 1 }
+span_id : 7
+is_sampled : true
diff --git a/test/core/census/data/context_no_sample.pb b/test/core/census/data/context_no_sample.pb
new file mode 100644
index 0000000000..ab7ad7d109
--- /dev/null
+++ b/test/core/census/data/context_no_sample.pb
diff --git a/test/core/census/data/context_no_sample.txt b/test/core/census/data/context_no_sample.txt
new file mode 100644
index 0000000000..150298002f
--- /dev/null
+++ b/test/core/census/data/context_no_sample.txt
@@ -0,0 +1,2 @@
+trace_id { hi : 5; lo : 1 }
+span_id : 7
diff --git a/test/core/census/data/context_span_only.pb b/test/core/census/data/context_span_only.pb
new file mode 100644
index 0000000000..2a9527a75a
--- /dev/null
+++ b/test/core/census/data/context_span_only.pb
diff --git a/test/core/census/data/context_span_only.txt b/test/core/census/data/context_span_only.txt
new file mode 100644
index 0000000000..d90de2e614
--- /dev/null
+++ b/test/core/census/data/context_span_only.txt
@@ -0,0 +1,2 @@
+span_id : 7
+is_sampled : true
diff --git a/test/core/census/data/context_trace_only.pb b/test/core/census/data/context_trace_only.pb
new file mode 100644
index 0000000000..7fdf6f61a3
--- /dev/null
+++ b/test/core/census/data/context_trace_only.pb
diff --git a/test/core/census/data/context_trace_only.txt b/test/core/census/data/context_trace_only.txt
new file mode 100644
index 0000000000..9b68a6aa92
--- /dev/null
+++ b/test/core/census/data/context_trace_only.txt
@@ -0,0 +1,2 @@
+trace_id { hi : 5; lo : 1 }
+is_sampled : true
diff --git a/test/core/census/trace_context_test.c b/test/core/census/trace_context_test.c
new file mode 100644
index 0000000000..ee409e8d1a
--- /dev/null
+++ b/test/core/census/trace_context_test.c
@@ -0,0 +1,231 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/census.h>
+#include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+#include <grpc/support/useful.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "src/core/ext/census/base_resources.h"
+#include "src/core/ext/census/resource.h"
+#include "test/core/util/test_config.h"
+
+#include "src/core/ext/census/gen/trace_context.pb.h"
+#include "src/core/ext/census/trace_context.h"
+#include "third_party/nanopb/pb_decode.h"
+#include "third_party/nanopb/pb_encode.h"
+
+#define BUF_SIZE 256
+
+/* Encodes a TraceContext structure (ctxt1) to a buffer, and then decodes it
+to a second TraceContext (ctxt2).  Validates that the resulting TraceContext
+has a span_id, trace_id, and that the values are equal to those in initial
+TraceContext. On success, returns true.  If encode_trace_context returns 0,
+decode_trace_context fails, or the resulting TraceContext is missing a trace_id
+or span_id, it will return false. */
+bool validate_encode_decode_context(google_trace_TraceContext *ctxt1,
+                                    uint8_t *buffer, size_t buf_size) {
+  google_trace_TraceContext ctxt2 = google_trace_TraceContext_init_zero;
+  size_t msg_length;
+  GPR_ASSERT(ctxt1->has_trace_id && ctxt1->has_span_id);
+
+  msg_length = encode_trace_context(ctxt1, buffer, buf_size);
+  if (msg_length == 0) {
+    return false;
+  }
+
+  if (!decode_trace_context(&ctxt2, buffer, msg_length)) {
+    return false;
+  }
+
+  if (!ctxt2.has_trace_id || !ctxt2.has_span_id) {
+    return false;
+  }
+
+  GPR_ASSERT(
+      ctxt1->trace_id.hi == ctxt2.trace_id.hi &&
+      ctxt1->trace_id.lo == ctxt2.trace_id.lo &&
+      ctxt1->span_id == ctxt2.span_id &&
+      ctxt1->has_is_sampled == ctxt2.has_is_sampled &&
+      (ctxt1->has_is_sampled ? ctxt1->is_sampled == ctxt2.is_sampled : true));
+
+  return true;
+}
+
+/* Decodes a proto-encoded TraceContext from a buffer.  If decode_trace_context
+fails or the resulting TraceContext is missing a trace_id or span_id it will
+return false, otherwise returns true. */
+bool validate_decode_context(google_trace_TraceContext *ctxt, uint8_t *buffer,
+                             size_t msg_length) {
+  // Validate the decoding of a context written to buffer.
+  if (!decode_trace_context(ctxt, buffer, msg_length)) {
+    return false;
+  }
+
+  if (!ctxt->has_trace_id || !ctxt->has_span_id) {
+    return false;
+  }
+
+  return true;
+}
+
+/* Read an encoded trace context from a file.  Validates that the decoding
+gives the expected result (succeed). */
+static void read_and_validate_context_from_file(google_trace_TraceContext *ctxt,
+                                                const char *file,
+                                                const bool succeed) {
+  uint8_t buffer[BUF_SIZE];
+  FILE *input = fopen(file, "rb");
+  GPR_ASSERT(input != NULL);
+  size_t nbytes = fread(buffer, 1, BUF_SIZE, input);
+  GPR_ASSERT(nbytes <= BUF_SIZE && feof(input) && !ferror(input));
+  bool res = validate_decode_context(ctxt, buffer, nbytes);
+  GPR_ASSERT(res == succeed);
+  GPR_ASSERT(fclose(input) == 0);
+}
+
+// Test full proto-buffer.
+static void test_full() {
+  google_trace_TraceContext ctxt = google_trace_TraceContext_init_zero;
+  read_and_validate_context_from_file(
+      &ctxt, "test/core/census/data/context_full.pb", true);
+}
+
+// Test empty proto-buffer.
+static void test_empty() {
+  google_trace_TraceContext ctxt = google_trace_TraceContext_init_zero;
+  read_and_validate_context_from_file(
+      &ctxt, "test/core/census/data/context_empty.pb", false);
+}
+
+// Test proto-buffer with only trace_id.
+static void test_trace_only() {
+  google_trace_TraceContext ctxt = google_trace_TraceContext_init_zero;
+  read_and_validate_context_from_file(
+      &ctxt, "test/core/census/data/context_trace_only.pb", false);
+}
+
+// Test proto-buffer with only span_id.
+static void test_span_only() {
+  google_trace_TraceContext ctxt = google_trace_TraceContext_init_zero;
+  read_and_validate_context_from_file(
+      &ctxt, "test/core/census/data/context_span_only.pb", false);
+}
+
+// Test proto-buffer without is_sampled value.
+static void test_no_sample() {
+  google_trace_TraceContext ctxt = google_trace_TraceContext_init_zero;
+  read_and_validate_context_from_file(
+      &ctxt, "test/core/census/data/context_no_sample.pb", true);
+  GPR_ASSERT(ctxt.has_is_sampled == false && ctxt.is_sampled == false);
+}
+
+static void test_encode_decode() {
+  uint8_t buffer[BUF_SIZE] = {0};
+
+  google_trace_TraceContext ctxt1 = google_trace_TraceContext_init_zero;
+  ctxt1.has_trace_id = true;
+  ctxt1.trace_id.has_hi = true;
+  ctxt1.trace_id.has_lo = true;
+  ctxt1.trace_id.lo = 1;
+  ctxt1.trace_id.hi = 2;
+  ctxt1.has_span_id = true;
+  ctxt1.span_id = 3;
+  validate_encode_decode_context(&ctxt1, buffer, sizeof(buffer));
+
+  google_trace_TraceContext ctxt2 = google_trace_TraceContext_init_zero;
+  ctxt2.has_trace_id = true;
+  ctxt2.trace_id.has_hi = false;
+  ctxt2.trace_id.has_lo = false;
+  ctxt2.has_span_id = true;
+  validate_encode_decode_context(&ctxt2, buffer, sizeof(buffer));
+}
+
+// Test a corrupted proto-buffer.
+static void test_corrupt() {
+  uint8_t buffer[BUF_SIZE] = {0};
+  google_trace_TraceContext ctxt1 = google_trace_TraceContext_init_zero;
+  size_t msg_length;
+
+  ctxt1.has_trace_id = true;
+  ctxt1.trace_id.has_hi = true;
+  ctxt1.trace_id.has_lo = true;
+  ctxt1.trace_id.lo = 1;
+  ctxt1.trace_id.hi = 2;
+  ctxt1.has_span_id = true;
+  ctxt1.span_id = 3;
+  ctxt1.is_sampled = true;
+  msg_length = encode_trace_context(&ctxt1, buffer, sizeof(buffer));
+
+  /* Corrupt some bytes.  255 (0xFF) should be illegal for the first byte of the
+  proto encoded object. */
+  buffer[0] = 255;
+
+  bool res = validate_decode_context(&ctxt1, buffer, msg_length);
+  GPR_ASSERT(res == false);
+}
+
+static void test_buffer_size() {
+  // This buffer is too small, so the encode should fail.
+  uint8_t buffer[16] = {0};
+  google_trace_TraceContext ctxt1 = google_trace_TraceContext_init_zero;
+  size_t msg_length;
+
+  ctxt1.has_trace_id = true;
+  ctxt1.trace_id.has_hi = true;
+  ctxt1.trace_id.has_lo = true;
+  ctxt1.trace_id.lo = 1;
+  ctxt1.trace_id.hi = 2;
+  ctxt1.has_span_id = true;
+  ctxt1.span_id = 3;
+  ctxt1.is_sampled = true;
+  msg_length = encode_trace_context(&ctxt1, buffer, sizeof(buffer));
+
+  GPR_ASSERT(msg_length == 0);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  test_full();
+  test_empty();
+  test_trace_only();
+  test_span_only();
+  test_encode_decode();
+  test_corrupt();
+  test_no_sample();
+  test_buffer_size();
+
+  return 0;
+}
diff --git a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
index 6a33525f62..d3b961959d 100644
--- a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
+++ b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
@@ -41,29 +41,6 @@
 #include "src/core/lib/iomgr/timer.h"
 #include "test/core/util/test_config.h"
 
-static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
-static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                         grpc_client_channel_factory *scv) {}
-static grpc_subchannel *client_channel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
-    grpc_subchannel_args *args) {
-  return NULL;
-}
-
-static grpc_channel *client_channel_factory_create_channel(
-    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
-    const char *target, grpc_client_channel_type type,
-    grpc_channel_args *args) {
-  GPR_UNREACHABLE_CODE(return NULL);
-}
-
-static const grpc_client_channel_factory_vtable sc_vtable = {
-    client_channel_factory_ref, client_channel_factory_unref,
-    client_channel_factory_create_subchannel,
-    client_channel_factory_create_channel};
-
-static grpc_client_channel_factory cc_factory = {&sc_vtable};
-
 static gpr_mu g_mu;
 static bool g_fail_resolution = true;
 
@@ -92,7 +69,6 @@ static grpc_resolver *create_resolver(const char *name) {
   grpc_resolver_args args;
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.client_channel_factory = &cc_factory;
   grpc_resolver *resolver =
       grpc_resolver_factory_create_resolver(factory, &args);
   grpc_resolver_factory_unref(factory);
diff --git a/test/core/client_config/resolvers/dns_resolver_test.c b/test/core/client_config/resolvers/dns_resolver_test.c
index 21dc99cadd..c3f4cb1244 100644
--- a/test/core/client_config/resolvers/dns_resolver_test.c
+++ b/test/core/client_config/resolvers/dns_resolver_test.c
@@ -38,29 +38,6 @@
 #include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
-static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                         grpc_client_channel_factory *scv) {}
-static grpc_subchannel *client_channel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
-    grpc_subchannel_args *args) {
-  GPR_UNREACHABLE_CODE(return NULL);
-}
-
-static grpc_channel *client_channel_factory_create_channel(
-    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
-    const char *target, grpc_client_channel_type type,
-    grpc_channel_args *args) {
-  GPR_UNREACHABLE_CODE(return NULL);
-}
-
-static const grpc_client_channel_factory_vtable sc_vtable = {
-    client_channel_factory_ref, client_channel_factory_unref,
-    client_channel_factory_create_subchannel,
-    client_channel_factory_create_channel};
-
-static grpc_client_channel_factory cc_factory = {&sc_vtable};
-
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_uri *uri = grpc_uri_parse(string, 0);
@@ -71,7 +48,6 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
diff --git a/test/core/client_config/resolvers/sockaddr_resolver_test.c b/test/core/client_config/resolvers/sockaddr_resolver_test.c
index b11546b6b1..d8430d39c4 100644
--- a/test/core/client_config/resolvers/sockaddr_resolver_test.c
+++ b/test/core/client_config/resolvers/sockaddr_resolver_test.c
@@ -38,29 +38,6 @@
 #include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
-static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                         grpc_client_channel_factory *scv) {}
-static grpc_subchannel *client_channel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
-    grpc_subchannel_args *args) {
-  GPR_UNREACHABLE_CODE(return NULL);
-}
-
-static grpc_channel *client_channel_factory_create_channel(
-    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
-    const char *target, grpc_client_channel_type type,
-    grpc_channel_args *args) {
-  GPR_UNREACHABLE_CODE(return NULL);
-}
-
-static const grpc_client_channel_factory_vtable sc_vtable = {
-    client_channel_factory_ref, client_channel_factory_unref,
-    client_channel_factory_create_subchannel,
-    client_channel_factory_create_channel};
-
-static grpc_client_channel_factory cc_factory = {&sc_vtable};
-
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_uri *uri = grpc_uri_parse(string, 0);
@@ -71,7 +48,6 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
index 1f42d3457e..3e7e3f22a2 100644
--- a/test/core/end2end/cq_verifier.c
+++ b/test/core/end2end/cq_verifier.c
@@ -126,14 +126,14 @@ static gpr_slice merge_slices(gpr_slice *slices, size_t nslices) {
   return out;
 }
 
-static int byte_buffer_eq_slice(grpc_byte_buffer *bb, gpr_slice b) {
+int raw_byte_buffer_eq_slice(grpc_byte_buffer *rbb, gpr_slice b) {
   gpr_slice a;
   int ok;
 
-  if (!bb) return 0;
+  if (!rbb) return 0;
 
-  a = merge_slices(bb->data.raw.slice_buffer.slices,
-                   bb->data.raw.slice_buffer.count);
+  a = merge_slices(rbb->data.raw.slice_buffer.slices,
+                   rbb->data.raw.slice_buffer.count);
   ok = GPR_SLICE_LENGTH(a) == GPR_SLICE_LENGTH(b) &&
        0 == memcmp(GPR_SLICE_START_PTR(a), GPR_SLICE_START_PTR(b),
                    GPR_SLICE_LENGTH(a));
@@ -142,6 +142,21 @@ static int byte_buffer_eq_slice(grpc_byte_buffer *bb, gpr_slice b) {
   return ok;
 }
 
+int byte_buffer_eq_slice(grpc_byte_buffer *bb, gpr_slice b) {
+  grpc_byte_buffer_reader reader;
+  grpc_byte_buffer *rbb;
+  int res;
+
+  GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, bb) &&
+             "Couldn't init byte buffer reader");
+  rbb = grpc_raw_byte_buffer_from_reader(&reader);
+  res = raw_byte_buffer_eq_slice(rbb, b);
+  grpc_byte_buffer_reader_destroy(&reader);
+  grpc_byte_buffer_destroy(rbb);
+
+  return res;
+}
+
 int byte_buffer_eq_string(grpc_byte_buffer *bb, const char *str) {
   grpc_byte_buffer_reader reader;
   grpc_byte_buffer *rbb;
@@ -150,7 +165,7 @@ int byte_buffer_eq_string(grpc_byte_buffer *bb, const char *str) {
   GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, bb) &&
              "Couldn't init byte buffer reader");
   rbb = grpc_raw_byte_buffer_from_reader(&reader);
-  res = byte_buffer_eq_slice(rbb, gpr_slice_from_copied_string(str));
+  res = raw_byte_buffer_eq_slice(rbb, gpr_slice_from_copied_string(str));
   grpc_byte_buffer_reader_destroy(&reader);
   grpc_byte_buffer_destroy(rbb);
 
diff --git a/test/core/end2end/cq_verifier.h b/test/core/end2end/cq_verifier.h
index 0a7c03c090..47464fa319 100644
--- a/test/core/end2end/cq_verifier.h
+++ b/test/core/end2end/cq_verifier.h
@@ -67,6 +67,7 @@ void cq_expect_completion(cq_verifier *v, const char *file, int line, void *tag,
 #define CQ_EXPECT_COMPLETION(v, tag, success) \
   cq_expect_completion(v, __FILE__, __LINE__, tag, success)
 
+int byte_buffer_eq_slice(grpc_byte_buffer *bb, gpr_slice b);
 int byte_buffer_eq_string(grpc_byte_buffer *byte_buffer, const char *string);
 int contains_metadata(grpc_metadata_array *array, const char *key,
                       const char *value);
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0083d5addbeca55271ed7ef93c8016bf7ca76903 b/test/core/end2end/fuzzers/client_fuzzer_corpus/0083d5addbeca55271ed7ef93c8016bf7ca76903
new file mode 100644
index 0000000000..821d85dbab
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0083d5addbeca55271ed7ef93c8016bf7ca76903
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/07b0bed3226eefac4a84000ec584e4ce06ebf1bf b/test/core/end2end/fuzzers/client_fuzzer_corpus/07b0bed3226eefac4a84000ec584e4ce06ebf1bf
new file mode 100644
index 0000000000..8ba8dfa5b2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/07b0bed3226eefac4a84000ec584e4ce06ebf1bf
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/07cec5c8d9c856a910c6fb57da2ae954f44beed0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/07cec5c8d9c856a910c6fb57da2ae954f44beed0
new file mode 100644
index 0000000000..28c9554883
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/07cec5c8d9c856a910c6fb57da2ae954f44beed0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0c27c9999302b39bf2256a90b0cdb767fb2b6fe3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/0c27c9999302b39bf2256a90b0cdb767fb2b6fe3
new file mode 100644
index 0000000000..a3ecb27778
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0c27c9999302b39bf2256a90b0cdb767fb2b6fe3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0d407f099f8418de3dd94bd2146c858a8c6575ad b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d407f099f8418de3dd94bd2146c858a8c6575ad
new file mode 100644
index 0000000000..ad20f50c4d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d407f099f8418de3dd94bd2146c858a8c6575ad
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0d4d486aa9fd6e9c10cc9ca8967e922cadddb2fe b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d4d486aa9fd6e9c10cc9ca8967e922cadddb2fe
new file mode 100644
index 0000000000..fa6d96d68e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d4d486aa9fd6e9c10cc9ca8967e922cadddb2fe
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0d9ba07b57eb0e076b187c4455f662db085e730b b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d9ba07b57eb0e076b187c4455f662db085e730b
new file mode 100644
index 0000000000..bf6ec61c1f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0d9ba07b57eb0e076b187c4455f662db085e730b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/0f6b989cec08ef9da603dc83704d85900bd22f1f b/test/core/end2end/fuzzers/client_fuzzer_corpus/0f6b989cec08ef9da603dc83704d85900bd22f1f
new file mode 100644
index 0000000000..6469f3cff8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/0f6b989cec08ef9da603dc83704d85900bd22f1f
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/10b25b0726cb6d820165699e5a453691c7a9c343 b/test/core/end2end/fuzzers/client_fuzzer_corpus/10b25b0726cb6d820165699e5a453691c7a9c343
new file mode 100644
index 0000000000..bda05de043
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/10b25b0726cb6d820165699e5a453691c7a9c343
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1231c6d007d9e43d169122348363e20d9f25ee93 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1231c6d007d9e43d169122348363e20d9f25ee93
new file mode 100644
index 0000000000..ed848cb1d9
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1231c6d007d9e43d169122348363e20d9f25ee93
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/13a9b61e431c20734c19bb36d85883b6a501284e b/test/core/end2end/fuzzers/client_fuzzer_corpus/13a9b61e431c20734c19bb36d85883b6a501284e
new file mode 100644
index 0000000000..462273d10c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/13a9b61e431c20734c19bb36d85883b6a501284e
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1698ec182fad9d973b84615da3a683ecdf2d0b3b b/test/core/end2end/fuzzers/client_fuzzer_corpus/1698ec182fad9d973b84615da3a683ecdf2d0b3b
new file mode 100644
index 0000000000..0c2710f556
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1698ec182fad9d973b84615da3a683ecdf2d0b3b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1859e2ee759e20fe195f67615a1576ce2b7d5bbd b/test/core/end2end/fuzzers/client_fuzzer_corpus/1859e2ee759e20fe195f67615a1576ce2b7d5bbd
new file mode 100644
index 0000000000..ed91baf92c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1859e2ee759e20fe195f67615a1576ce2b7d5bbd
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1a9017db5ad8a9dc6cfe72305da1683a87a73452 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1a9017db5ad8a9dc6cfe72305da1683a87a73452
new file mode 100644
index 0000000000..85d4be1674
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1a9017db5ad8a9dc6cfe72305da1683a87a73452
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1bd90335afc9e0a1e6a9296e3cc27c03c1201886 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1bd90335afc9e0a1e6a9296e3cc27c03c1201886
new file mode 100644
index 0000000000..f020c9bb6c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1bd90335afc9e0a1e6a9296e3cc27c03c1201886
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/1be157b0fc79f0e7e1e05dfa3cbbe1ad71528bc2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/1be157b0fc79f0e7e1e05dfa3cbbe1ad71528bc2
new file mode 100644
index 0000000000..ce32d23274
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/1be157b0fc79f0e7e1e05dfa3cbbe1ad71528bc2
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2185f411bdb1edc610f16ffc86836ae366193e03 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2185f411bdb1edc610f16ffc86836ae366193e03
new file mode 100644
index 0000000000..0516cfab4b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2185f411bdb1edc610f16ffc86836ae366193e03
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/22661803bd1c7198df4be6e08924ef6a48af9cd4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/22661803bd1c7198df4be6e08924ef6a48af9cd4
new file mode 100644
index 0000000000..2443c3b7bb
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/22661803bd1c7198df4be6e08924ef6a48af9cd4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2717067bbc0e9bfc1d90d15cddf6154800a25ec6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2717067bbc0e9bfc1d90d15cddf6154800a25ec6
new file mode 100644
index 0000000000..d0fe18dcd4
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2717067bbc0e9bfc1d90d15cddf6154800a25ec6
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2825cfc19c9371f4fe70851283c68d49470d4d55 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2825cfc19c9371f4fe70851283c68d49470d4d55
new file mode 100644
index 0000000000..e1e52b966d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2825cfc19c9371f4fe70851283c68d49470d4d55
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/29303c16f3afa18c2c0b84e77e587535a705a74c b/test/core/end2end/fuzzers/client_fuzzer_corpus/29303c16f3afa18c2c0b84e77e587535a705a74c
new file mode 100644
index 0000000000..b684106b43
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/29303c16f3afa18c2c0b84e77e587535a705a74c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2b5eb5aac77af905877bd98ec2c4d746b247abb6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2b5eb5aac77af905877bd98ec2c4d746b247abb6
new file mode 100644
index 0000000000..76655ead93
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2b5eb5aac77af905877bd98ec2c4d746b247abb6
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2cc43573f271ecd332551c1fb34ebc8645eaefe8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/2cc43573f271ecd332551c1fb34ebc8645eaefe8
new file mode 100644
index 0000000000..25ead66466
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2cc43573f271ecd332551c1fb34ebc8645eaefe8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/2feb41037f5dd34e9f3465a2fbf1a6d355c8ce9d b/test/core/end2end/fuzzers/client_fuzzer_corpus/2feb41037f5dd34e9f3465a2fbf1a6d355c8ce9d
new file mode 100644
index 0000000000..96146836d1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/2feb41037f5dd34e9f3465a2fbf1a6d355c8ce9d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/300998021c7f743ff49d9cc192343ffd43eb47f2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/300998021c7f743ff49d9cc192343ffd43eb47f2
new file mode 100644
index 0000000000..a3276451d2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/300998021c7f743ff49d9cc192343ffd43eb47f2
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/310b2aff5e2ec78b6004630bed39d49f8d13bb21 b/test/core/end2end/fuzzers/client_fuzzer_corpus/310b2aff5e2ec78b6004630bed39d49f8d13bb21
new file mode 100644
index 0000000000..e48ee019dd
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/310b2aff5e2ec78b6004630bed39d49f8d13bb21
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3bb052abecc1b916cc869b9aad29c9dd55a95068 b/test/core/end2end/fuzzers/client_fuzzer_corpus/3bb052abecc1b916cc869b9aad29c9dd55a95068
new file mode 100644
index 0000000000..e256230eec
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3bb052abecc1b916cc869b9aad29c9dd55a95068
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3c5fa483ebfabe6e684831ce7c413176bc998c33 b/test/core/end2end/fuzzers/client_fuzzer_corpus/3c5fa483ebfabe6e684831ce7c413176bc998c33
new file mode 100644
index 0000000000..82c60ba2bd
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3c5fa483ebfabe6e684831ce7c413176bc998c33
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/3c6444b64ace5cd6c145614ad4412382271a6120 b/test/core/end2end/fuzzers/client_fuzzer_corpus/3c6444b64ace5cd6c145614ad4412382271a6120
new file mode 100644
index 0000000000..a829aadd0f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/3c6444b64ace5cd6c145614ad4412382271a6120
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/4045d25f065bb1d70a8b9c3751f7453d4b0625b9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/4045d25f065bb1d70a8b9c3751f7453d4b0625b9
new file mode 100644
index 0000000000..d3d6384e2f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/4045d25f065bb1d70a8b9c3751f7453d4b0625b9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/407cedf992b14edac6e19f7d440ab73c88e72465 b/test/core/end2end/fuzzers/client_fuzzer_corpus/407cedf992b14edac6e19f7d440ab73c88e72465
new file mode 100644
index 0000000000..151a983cfc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/407cedf992b14edac6e19f7d440ab73c88e72465
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/411966ea7d9164fc432eeab55a55248ad808bb01 b/test/core/end2end/fuzzers/client_fuzzer_corpus/411966ea7d9164fc432eeab55a55248ad808bb01
new file mode 100644
index 0000000000..b60637b01f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/411966ea7d9164fc432eeab55a55248ad808bb01
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/415dde26637ed3c0e803111c532a1a9ea9c49092 b/test/core/end2end/fuzzers/client_fuzzer_corpus/415dde26637ed3c0e803111c532a1a9ea9c49092
new file mode 100644
index 0000000000..2d8b9cf0ae
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/415dde26637ed3c0e803111c532a1a9ea9c49092
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/4fc34239f220392581520aa8cebc659daa65a7a6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/4fc34239f220392581520aa8cebc659daa65a7a6
new file mode 100644
index 0000000000..1ca1c28045
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/4fc34239f220392581520aa8cebc659daa65a7a6
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/52939682304314f04897deddfbc9c7afa8ee50a9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/52939682304314f04897deddfbc9c7afa8ee50a9
new file mode 100644
index 0000000000..27c5ca48cf
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/52939682304314f04897deddfbc9c7afa8ee50a9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5369926a559827d08bccf264876d592c7cae660d b/test/core/end2end/fuzzers/client_fuzzer_corpus/5369926a559827d08bccf264876d592c7cae660d
new file mode 100644
index 0000000000..9a2c59f5b2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5369926a559827d08bccf264876d592c7cae660d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/53ef530f65b0cff2e338a51b469c224f53b628d7 b/test/core/end2end/fuzzers/client_fuzzer_corpus/53ef530f65b0cff2e338a51b469c224f53b628d7
new file mode 100644
index 0000000000..cd129010da
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/53ef530f65b0cff2e338a51b469c224f53b628d7
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/560c1057487e6b0d2d457748c3ad8434423eb263 b/test/core/end2end/fuzzers/client_fuzzer_corpus/560c1057487e6b0d2d457748c3ad8434423eb263
new file mode 100644
index 0000000000..889056f090
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/560c1057487e6b0d2d457748c3ad8434423eb263
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/564f203f678fb333c7b1f8f4df79237589ce346d b/test/core/end2end/fuzzers/client_fuzzer_corpus/564f203f678fb333c7b1f8f4df79237589ce346d
new file mode 100644
index 0000000000..d64ca599df
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/564f203f678fb333c7b1f8f4df79237589ce346d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/56b0ac0636c57838f63415082b3ae2ec7a93f017 b/test/core/end2end/fuzzers/client_fuzzer_corpus/56b0ac0636c57838f63415082b3ae2ec7a93f017
new file mode 100644
index 0000000000..f997cede3b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/56b0ac0636c57838f63415082b3ae2ec7a93f017
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/58bcbd601894835bb3312d2a0bc56f2e0f65984c b/test/core/end2end/fuzzers/client_fuzzer_corpus/58bcbd601894835bb3312d2a0bc56f2e0f65984c
new file mode 100644
index 0000000000..016a98e9a2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/58bcbd601894835bb3312d2a0bc56f2e0f65984c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/598d346f284bcff26d1de997c4ba5c4794c90b68 b/test/core/end2end/fuzzers/client_fuzzer_corpus/598d346f284bcff26d1de997c4ba5c4794c90b68
new file mode 100644
index 0000000000..1230998613
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/598d346f284bcff26d1de997c4ba5c4794c90b68
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5c14b48da74ab06b3cc20c4fe355e24f7dd7852a b/test/core/end2end/fuzzers/client_fuzzer_corpus/5c14b48da74ab06b3cc20c4fe355e24f7dd7852a
new file mode 100644
index 0000000000..c0223af570
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5c14b48da74ab06b3cc20c4fe355e24f7dd7852a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5de72e607205dc17a45df703ec4e9b63c36821ec b/test/core/end2end/fuzzers/client_fuzzer_corpus/5de72e607205dc17a45df703ec4e9b63c36821ec
new file mode 100644
index 0000000000..6f50853678
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5de72e607205dc17a45df703ec4e9b63c36821ec
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5e25cf639ba8ea37543d944f5efa94824c6272ff b/test/core/end2end/fuzzers/client_fuzzer_corpus/5e25cf639ba8ea37543d944f5efa94824c6272ff
new file mode 100644
index 0000000000..33b465f0dc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5e25cf639ba8ea37543d944f5efa94824c6272ff
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/5f247d7b6753f7a8798cf952f49f303c532e017c b/test/core/end2end/fuzzers/client_fuzzer_corpus/5f247d7b6753f7a8798cf952f49f303c532e017c
new file mode 100644
index 0000000000..922c3ccae1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/5f247d7b6753f7a8798cf952f49f303c532e017c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/63a1cb41d219394c9bab947202921506f3574ad0 b/test/core/end2end/fuzzers/client_fuzzer_corpus/63a1cb41d219394c9bab947202921506f3574ad0
new file mode 100644
index 0000000000..417548abdf
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/63a1cb41d219394c9bab947202921506f3574ad0
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/650f74738d3961af2d1fe85ad8fc8212ea13cbbf b/test/core/end2end/fuzzers/client_fuzzer_corpus/650f74738d3961af2d1fe85ad8fc8212ea13cbbf
new file mode 100644
index 0000000000..382f3def10
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/650f74738d3961af2d1fe85ad8fc8212ea13cbbf
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/65dff388749da6a44926b491cdc555f61d708171 b/test/core/end2end/fuzzers/client_fuzzer_corpus/65dff388749da6a44926b491cdc555f61d708171
new file mode 100644
index 0000000000..8e35246ba1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/65dff388749da6a44926b491cdc555f61d708171
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/676adbb1e5b3f4f9e3cba51d3d4ef963ba4ea7e3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/676adbb1e5b3f4f9e3cba51d3d4ef963ba4ea7e3
new file mode 100644
index 0000000000..720dcdbee7
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/676adbb1e5b3f4f9e3cba51d3d4ef963ba4ea7e3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/67f160446ded73c408f4e5a0665731b642b6edd4 b/test/core/end2end/fuzzers/client_fuzzer_corpus/67f160446ded73c408f4e5a0665731b642b6edd4
new file mode 100644
index 0000000000..cdbee59a60
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/67f160446ded73c408f4e5a0665731b642b6edd4
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/6856c7cb02d2ba74a60fd47140f042701dda63b3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/6856c7cb02d2ba74a60fd47140f042701dda63b3
new file mode 100644
index 0000000000..f2dc196c12
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/6856c7cb02d2ba74a60fd47140f042701dda63b3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/69e14b73af03e8f2d998cfcf16215f65bf589efb b/test/core/end2end/fuzzers/client_fuzzer_corpus/69e14b73af03e8f2d998cfcf16215f65bf589efb
new file mode 100644
index 0000000000..ae23d16630
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/69e14b73af03e8f2d998cfcf16215f65bf589efb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/77cff7548cafe87410e4a0dde3ba6892b25594d3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/77cff7548cafe87410e4a0dde3ba6892b25594d3
new file mode 100644
index 0000000000..95defaa956
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/77cff7548cafe87410e4a0dde3ba6892b25594d3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/7beeb19272131701f3a0d1dd633f1b1969899366 b/test/core/end2end/fuzzers/client_fuzzer_corpus/7beeb19272131701f3a0d1dd633f1b1969899366
new file mode 100644
index 0000000000..4293d0cae9
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/7beeb19272131701f3a0d1dd633f1b1969899366
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8b0cf53ac17015fe066002cb3814933df9ee96be b/test/core/end2end/fuzzers/client_fuzzer_corpus/8b0cf53ac17015fe066002cb3814933df9ee96be
new file mode 100644
index 0000000000..ba952ec94c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8b0cf53ac17015fe066002cb3814933df9ee96be
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8b5c4543923da5e468aca1de1ab880aed2ac4451 b/test/core/end2end/fuzzers/client_fuzzer_corpus/8b5c4543923da5e468aca1de1ab880aed2ac4451
new file mode 100644
index 0000000000..7c5cd2b45e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8b5c4543923da5e468aca1de1ab880aed2ac4451
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8d9784f85e9662734e180ca8bec2164425ae8a87 b/test/core/end2end/fuzzers/client_fuzzer_corpus/8d9784f85e9662734e180ca8bec2164425ae8a87
new file mode 100644
index 0000000000..b2ad2b0b59
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8d9784f85e9662734e180ca8bec2164425ae8a87
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/8e3f138d163022d6e105ab595788f4cfdd9b9db3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/8e3f138d163022d6e105ab595788f4cfdd9b9db3
new file mode 100644
index 0000000000..e10a35c3e1
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/8e3f138d163022d6e105ab595788f4cfdd9b9db3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/914464d372dcccf31ed5331293d84121e17616bb b/test/core/end2end/fuzzers/client_fuzzer_corpus/914464d372dcccf31ed5331293d84121e17616bb
new file mode 100644
index 0000000000..c67d9ded9a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/914464d372dcccf31ed5331293d84121e17616bb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/934a41b5027d1c5cca27ebda57560c38cb9e09ea b/test/core/end2end/fuzzers/client_fuzzer_corpus/934a41b5027d1c5cca27ebda57560c38cb9e09ea
new file mode 100644
index 0000000000..8ca1a43cfc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/934a41b5027d1c5cca27ebda57560c38cb9e09ea
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9354652806d96b09c8e7082b1b7d22e7c3fb9f0b b/test/core/end2end/fuzzers/client_fuzzer_corpus/9354652806d96b09c8e7082b1b7d22e7c3fb9f0b
new file mode 100644
index 0000000000..41461a1a6a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9354652806d96b09c8e7082b1b7d22e7c3fb9f0b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/9398ac1c2b4015792661266a9c84b6d7a68c3155 b/test/core/end2end/fuzzers/client_fuzzer_corpus/9398ac1c2b4015792661266a9c84b6d7a68c3155
new file mode 100644
index 0000000000..f9b2aaffb5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/9398ac1c2b4015792661266a9c84b6d7a68c3155
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/99099024a3f3e389f57cb7b697eb34485846f316 b/test/core/end2end/fuzzers/client_fuzzer_corpus/99099024a3f3e389f57cb7b697eb34485846f316
new file mode 100644
index 0000000000..1721f92dcb
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/99099024a3f3e389f57cb7b697eb34485846f316
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/998a54dc94ab6e7d6a6066415fb0dd9b52356171 b/test/core/end2end/fuzzers/client_fuzzer_corpus/998a54dc94ab6e7d6a6066415fb0dd9b52356171
new file mode 100644
index 0000000000..06ec60a441
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/998a54dc94ab6e7d6a6066415fb0dd9b52356171
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a25b31398669b585ccab97bceadc31994de7ead7 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a25b31398669b585ccab97bceadc31994de7ead7
new file mode 100644
index 0000000000..9d41026e50
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a25b31398669b585ccab97bceadc31994de7ead7
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a39ac9e92b41d1889096ed415b4c2eb1aba6ed50 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a39ac9e92b41d1889096ed415b4c2eb1aba6ed50
new file mode 100644
index 0000000000..be4a64bf24
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a39ac9e92b41d1889096ed415b4c2eb1aba6ed50
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a5c2fdae1a1c0487d00db0eec6e3429b12244b1f b/test/core/end2end/fuzzers/client_fuzzer_corpus/a5c2fdae1a1c0487d00db0eec6e3429b12244b1f
new file mode 100644
index 0000000000..1c323b71ee
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a5c2fdae1a1c0487d00db0eec6e3429b12244b1f
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a649093880c2a2f143f861893eaff5d30be95eb7 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a649093880c2a2f143f861893eaff5d30be95eb7
new file mode 100644
index 0000000000..7b879ac201
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a649093880c2a2f143f861893eaff5d30be95eb7
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a8249ebfe91327806446f14a6b2e7d9c8440257f b/test/core/end2end/fuzzers/client_fuzzer_corpus/a8249ebfe91327806446f14a6b2e7d9c8440257f
new file mode 100644
index 0000000000..2bdbe51df2
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a8249ebfe91327806446f14a6b2e7d9c8440257f
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a8e306820fb76566b522c23ec68bdce0ad0536f2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a8e306820fb76566b522c23ec68bdce0ad0536f2
new file mode 100644
index 0000000000..3c62087fe3
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a8e306820fb76566b522c23ec68bdce0ad0536f2
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/a97dbb159ef9bc6e39c9c25e04315752e871e739 b/test/core/end2end/fuzzers/client_fuzzer_corpus/a97dbb159ef9bc6e39c9c25e04315752e871e739
new file mode 100644
index 0000000000..b43e55bde0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/a97dbb159ef9bc6e39c9c25e04315752e871e739
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ae448bfe17f9a3a6eff074d4caa9f7261c94d2d5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/ae448bfe17f9a3a6eff074d4caa9f7261c94d2d5
new file mode 100644
index 0000000000..5d16743900
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ae448bfe17f9a3a6eff074d4caa9f7261c94d2d5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ae8cdc02275a1436bc131bee52a17ee797e2e6c9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/ae8cdc02275a1436bc131bee52a17ee797e2e6c9
new file mode 100644
index 0000000000..12c2446a31
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ae8cdc02275a1436bc131bee52a17ee797e2e6c9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b10353c265bef989d8909055fd6cd52e49eef3e6 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b10353c265bef989d8909055fd6cd52e49eef3e6
new file mode 100644
index 0000000000..4f6e5cc089
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b10353c265bef989d8909055fd6cd52e49eef3e6
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b387e46c23912785e6c353ab49b8ea4a92c2c2e5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b387e46c23912785e6c353ab49b8ea4a92c2c2e5
new file mode 100644
index 0000000000..32397f012c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b387e46c23912785e6c353ab49b8ea4a92c2c2e5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b3cfcd55b0331ab0c931b8c61d4df41464587f10 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b3cfcd55b0331ab0c931b8c61d4df41464587f10
new file mode 100644
index 0000000000..fd118bc92b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b3cfcd55b0331ab0c931b8c61d4df41464587f10
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b758f5c019696f33c50895168219c0e6cb04e11d b/test/core/end2end/fuzzers/client_fuzzer_corpus/b758f5c019696f33c50895168219c0e6cb04e11d
new file mode 100644
index 0000000000..6b74b8ac0b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b758f5c019696f33c50895168219c0e6cb04e11d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/b93fd0a15287dd035eac86e547e3ce42183bdb28 b/test/core/end2end/fuzzers/client_fuzzer_corpus/b93fd0a15287dd035eac86e547e3ce42183bdb28
new file mode 100644
index 0000000000..0bb57741bc
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/b93fd0a15287dd035eac86e547e3ce42183bdb28
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ba3566735888b53712c6b2e6d52ff5f2197afd6a b/test/core/end2end/fuzzers/client_fuzzer_corpus/ba3566735888b53712c6b2e6d52ff5f2197afd6a
new file mode 100644
index 0000000000..3d91afed06
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ba3566735888b53712c6b2e6d52ff5f2197afd6a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/bd275178fd473028a5cedf7d5780b27e809882ee b/test/core/end2end/fuzzers/client_fuzzer_corpus/bd275178fd473028a5cedf7d5780b27e809882ee
new file mode 100644
index 0000000000..eb3276b19d
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/bd275178fd473028a5cedf7d5780b27e809882ee
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c4c53b4727e9e1f040c5d7870639dd3daa184ddb b/test/core/end2end/fuzzers/client_fuzzer_corpus/c4c53b4727e9e1f040c5d7870639dd3daa184ddb
new file mode 100644
index 0000000000..80e75c5c2f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c4c53b4727e9e1f040c5d7870639dd3daa184ddb
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/c9e2cf8be8a4dc2294020026c62840ef1fb4853b b/test/core/end2end/fuzzers/client_fuzzer_corpus/c9e2cf8be8a4dc2294020026c62840ef1fb4853b
new file mode 100644
index 0000000000..e97dce0ca4
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/c9e2cf8be8a4dc2294020026c62840ef1fb4853b
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/caaf9a7751c0eccc34f0fc00a048012ab5ed2f37 b/test/core/end2end/fuzzers/client_fuzzer_corpus/caaf9a7751c0eccc34f0fc00a048012ab5ed2f37
new file mode 100644
index 0000000000..f2374b706b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/caaf9a7751c0eccc34f0fc00a048012ab5ed2f37
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/cb49955601d171fd14c9ac21137b221392c7dab1 b/test/core/end2end/fuzzers/client_fuzzer_corpus/cb49955601d171fd14c9ac21137b221392c7dab1
new file mode 100644
index 0000000000..adfce802f7
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/cb49955601d171fd14c9ac21137b221392c7dab1
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/cbaabef34763f2fd922e67ff5f2ea283347e9823 b/test/core/end2end/fuzzers/client_fuzzer_corpus/cbaabef34763f2fd922e67ff5f2ea283347e9823
new file mode 100644
index 0000000000..3a937aee16
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/cbaabef34763f2fd922e67ff5f2ea283347e9823
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/cdd1a4e358ee2396ece54b32c1f0a8d0a2e3f3dc b/test/core/end2end/fuzzers/client_fuzzer_corpus/cdd1a4e358ee2396ece54b32c1f0a8d0a2e3f3dc
new file mode 100644
index 0000000000..82466bfe70
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/cdd1a4e358ee2396ece54b32c1f0a8d0a2e3f3dc
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/cf922d44bf08d223d3ebcd37a7e77d3e43555d08 b/test/core/end2end/fuzzers/client_fuzzer_corpus/cf922d44bf08d223d3ebcd37a7e77d3e43555d08
new file mode 100644
index 0000000000..b9399a2c2e
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/cf922d44bf08d223d3ebcd37a7e77d3e43555d08
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-ff53a3d713e83ae945b8dd1782e21f5b51aa649a b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-ff53a3d713e83ae945b8dd1782e21f5b51aa649a
new file mode 100644
index 0000000000..28ad75eaf0
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/crash-ff53a3d713e83ae945b8dd1782e21f5b51aa649a
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d17e9507af1855fcf9eca78e2d25c8fb2c40a34c b/test/core/end2end/fuzzers/client_fuzzer_corpus/d17e9507af1855fcf9eca78e2d25c8fb2c40a34c
new file mode 100644
index 0000000000..b262a2314b
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d17e9507af1855fcf9eca78e2d25c8fb2c40a34c
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d46c3dcede830286dd9f4a1ba02a20a0b1430664 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d46c3dcede830286dd9f4a1ba02a20a0b1430664
new file mode 100644
index 0000000000..a11ecbe97a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d46c3dcede830286dd9f4a1ba02a20a0b1430664
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d4a744ef6dcef5cf08d5289e167b26270d39e9f2 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d4a744ef6dcef5cf08d5289e167b26270d39e9f2
new file mode 100644
index 0000000000..462391f6a5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d4a744ef6dcef5cf08d5289e167b26270d39e9f2
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d5a85ad91cfde27a96960b2e783d2ee43c50dcb9 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d5a85ad91cfde27a96960b2e783d2ee43c50dcb9
new file mode 100644
index 0000000000..c187ee3f37
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d5a85ad91cfde27a96960b2e783d2ee43c50dcb9
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d88bb0b7ff687af84f33e6af22d3516fcdac5534 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d88bb0b7ff687af84f33e6af22d3516fcdac5534
new file mode 100644
index 0000000000..a64fe176a4
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d88bb0b7ff687af84f33e6af22d3516fcdac5534
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/d895ece988ad4712b87de8aa9bc273eee315e8b8 b/test/core/end2end/fuzzers/client_fuzzer_corpus/d895ece988ad4712b87de8aa9bc273eee315e8b8
new file mode 100644
index 0000000000..615ac35eb6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/d895ece988ad4712b87de8aa9bc273eee315e8b8
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/da424090e1b94c5d0e91e26f3f3dd6c4af18fcd5 b/test/core/end2end/fuzzers/client_fuzzer_corpus/da424090e1b94c5d0e91e26f3f3dd6c4af18fcd5
new file mode 100644
index 0000000000..99ae12197c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/da424090e1b94c5d0e91e26f3f3dd6c4af18fcd5
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/db3a30a6d8e605dd587e51b214c42f68bc43cf19 b/test/core/end2end/fuzzers/client_fuzzer_corpus/db3a30a6d8e605dd587e51b214c42f68bc43cf19
new file mode 100644
index 0000000000..cc05683443
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/db3a30a6d8e605dd587e51b214c42f68bc43cf19
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e3d12a2385b75443fe38d989e77c252e1f3cdb6d b/test/core/end2end/fuzzers/client_fuzzer_corpus/e3d12a2385b75443fe38d989e77c252e1f3cdb6d
new file mode 100644
index 0000000000..1878ff29d8
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e3d12a2385b75443fe38d989e77c252e1f3cdb6d
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e4f55281c481484bd9edc28fd10df0c2e0f7d546 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e4f55281c481484bd9edc28fd10df0c2e0f7d546
new file mode 100644
index 0000000000..042b169620
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e4f55281c481484bd9edc28fd10df0c2e0f7d546
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/e6c52f2f31db7595d1ecde2939a7390777f15182 b/test/core/end2end/fuzzers/client_fuzzer_corpus/e6c52f2f31db7595d1ecde2939a7390777f15182
new file mode 100644
index 0000000000..17fbabe5c6
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/e6c52f2f31db7595d1ecde2939a7390777f15182
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f09cd3e3a16658174717668e51e7382e491df1da b/test/core/end2end/fuzzers/client_fuzzer_corpus/f09cd3e3a16658174717668e51e7382e491df1da
new file mode 100644
index 0000000000..82c3e4f8ce
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f09cd3e3a16658174717668e51e7382e491df1da
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f11abb090bae8cdac1f7d9a2e344f2def0e50066 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f11abb090bae8cdac1f7d9a2e344f2def0e50066
new file mode 100644
index 0000000000..2a12fb9270
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f11abb090bae8cdac1f7d9a2e344f2def0e50066
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f4ae2a2b692bfa83cdde75d007813426e14daef7 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f4ae2a2b692bfa83cdde75d007813426e14daef7
new file mode 100644
index 0000000000..ea1c77e222
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f4ae2a2b692bfa83cdde75d007813426e14daef7
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f5a629c8fd5720236b66a875e96ea22e29c45965 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f5a629c8fd5720236b66a875e96ea22e29c45965
new file mode 100644
index 0000000000..8b2a87709c
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f5a629c8fd5720236b66a875e96ea22e29c45965
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f6627c55881fe4f0c8e6999980fb226836e6f5ce b/test/core/end2end/fuzzers/client_fuzzer_corpus/f6627c55881fe4f0c8e6999980fb226836e6f5ce
new file mode 100644
index 0000000000..60c8c7589a
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f6627c55881fe4f0c8e6999980fb226836e6f5ce
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f7aeceaf0b6d971038a677994b5d080fa0e18011 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f7aeceaf0b6d971038a677994b5d080fa0e18011
new file mode 100644
index 0000000000..a80c5823c5
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f7aeceaf0b6d971038a677994b5d080fa0e18011
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f803c87a92662898e2c8c847787b56d2c31f63b3 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f803c87a92662898e2c8c847787b56d2c31f63b3
new file mode 100644
index 0000000000..146a748d13
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f803c87a92662898e2c8c847787b56d2c31f63b3
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f89ad475ff51a5a9fe18603df833453bed320f36 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f89ad475ff51a5a9fe18603df833453bed320f36
new file mode 100644
index 0000000000..ae4812d406
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f89ad475ff51a5a9fe18603df833453bed320f36
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/f9583b3a39c1aecbba6e81d71e7fe9b9519c8b08 b/test/core/end2end/fuzzers/client_fuzzer_corpus/f9583b3a39c1aecbba6e81d71e7fe9b9519c8b08
new file mode 100644
index 0000000000..9018d4d09f
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/f9583b3a39c1aecbba6e81d71e7fe9b9519c8b08
diff --git a/test/core/end2end/fuzzers/client_fuzzer_corpus/ffd52d31f9c59a346aa195a683f077dda5ecef6b b/test/core/end2end/fuzzers/client_fuzzer_corpus/ffd52d31f9c59a346aa195a683f077dda5ecef6b
new file mode 100644
index 0000000000..d7e73ad056
--- /dev/null
+++ b/test/core/end2end/fuzzers/client_fuzzer_corpus/ffd52d31f9c59a346aa195a683f077dda5ecef6b
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
index cdf868377a..f14bb323f2 100644
--- a/test/core/end2end/tests/filter_causes_close.c
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -209,11 +209,10 @@ static void recv_im_ready(grpc_exec_ctx *exec_ctx, void *arg,
     // close the stream with an error.
     gpr_slice message =
         gpr_slice_from_copied_string("Failure that's not preventable.");
-    grpc_transport_stream_op op;
-    memset(&op, 0, sizeof(op));
-    grpc_transport_stream_op_add_close(&op, GRPC_STATUS_PERMISSION_DENIED,
+    grpc_transport_stream_op *op = grpc_make_transport_stream_op(NULL);
+    grpc_transport_stream_op_add_close(op, GRPC_STATUS_PERMISSION_DENIED,
                                        &message);
-    grpc_call_next_op(exec_ctx, elem, &op);
+    grpc_call_next_op(exec_ctx, elem, op);
   }
   grpc_exec_ctx_sched(
       exec_ctx, calld->recv_im_ready,
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 43f71f51d1..cdca3e6748 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -98,19 +98,22 @@ static void end_test(grpc_end2end_test_fixture *f) {
   grpc_completion_queue_destroy(f->cq);
 }
 
-static void test_max_message_length(grpc_end2end_test_config config) {
+static void test_max_message_length(grpc_end2end_test_config config,
+                                    bool send_limit) {
+  gpr_log(GPR_INFO, "testing with send_limit=%d", send_limit);
+
   grpc_end2end_test_fixture f;
-  grpc_arg server_arg;
-  grpc_channel_args server_args;
-  grpc_call *c;
-  grpc_call *s;
+  grpc_arg channel_arg;
+  grpc_channel_args channel_args;
+  grpc_call *c = NULL;
+  grpc_call *s = NULL;
   cq_verifier *cqv;
   grpc_op ops[6];
   grpc_op *op;
   gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
-  grpc_byte_buffer *recv_payload;
+  grpc_byte_buffer *recv_payload = NULL;
   grpc_metadata_array initial_metadata_recv;
   grpc_metadata_array trailing_metadata_recv;
   grpc_metadata_array request_metadata_recv;
@@ -121,14 +124,17 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   size_t details_capacity = 0;
   int was_cancelled = 2;
 
-  server_arg.key = GRPC_ARG_MAX_MESSAGE_LENGTH;
-  server_arg.type = GRPC_ARG_INTEGER;
-  server_arg.value.integer = 5;
+  channel_arg.key = send_limit ? GRPC_ARG_MAX_SEND_MESSAGE_LENGTH
+                               : GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH;
+  channel_arg.type = GRPC_ARG_INTEGER;
+  channel_arg.value.integer = 5;
 
-  server_args.num_args = 1;
-  server_args.args = &server_arg;
+  channel_args.num_args = 1;
+  channel_args.args = &channel_arg;
 
-  f = begin_test(config, "test_max_message_length", NULL, &server_args);
+  f = begin_test(config, "test_max_message_length",
+                 send_limit ? &channel_args : NULL,
+                 send_limit ? NULL : &channel_args);
   cqv = cq_verifier_create(f.cq);
 
   c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
@@ -173,6 +179,12 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
+  if (send_limit) {
+    CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
+    cq_verify(cqv);
+    goto done;
+  }
+
   error =
       grpc_server_request_call(f.server, &s, &call_details,
                                &request_metadata_recv, f.cq, f.cq, tag(101));
@@ -199,11 +211,16 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
   cq_verify(cqv);
 
-  GPR_ASSERT(status != GRPC_STATUS_OK);
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
   GPR_ASSERT(was_cancelled == 1);
-  GPR_ASSERT(recv_payload == NULL);
+
+done:
+  GPR_ASSERT(status == GRPC_STATUS_INVALID_ARGUMENT);
+  GPR_ASSERT(strcmp(details,
+                    send_limit
+                        ? "Sent message larger than max (11 vs. 5)"
+                        : "Received message larger than max (11 vs. 5)") == 0);
 
   gpr_free(details);
   grpc_metadata_array_destroy(&initial_metadata_recv);
@@ -211,9 +228,10 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   grpc_metadata_array_destroy(&request_metadata_recv);
   grpc_call_details_destroy(&call_details);
   grpc_byte_buffer_destroy(request_payload);
+  grpc_byte_buffer_destroy(recv_payload);
 
   grpc_call_destroy(c);
-  grpc_call_destroy(s);
+  if (s != NULL) grpc_call_destroy(s);
 
   cq_verifier_destroy(cqv);
 
@@ -222,7 +240,8 @@ static void test_max_message_length(grpc_end2end_test_config config) {
 }
 
 void max_message_length(grpc_end2end_test_config config) {
-  test_max_message_length(config);
+  test_max_message_length(config, true);
+  test_max_message_length(config, false);
 }
 
 void max_message_length_pre_init(void) {}
diff --git a/test/core/end2end/tests/no_logging.c b/test/core/end2end/tests/no_logging.c
index 3c40e5dbac..d03d336329 100644
--- a/test/core/end2end/tests/no_logging.c
+++ b/test/core/end2end/tests/no_logging.c
@@ -286,6 +286,8 @@ static void test_no_logging_in_one_request(grpc_end2end_test_config config) {
 }
 
 void no_logging(grpc_end2end_test_config config) {
+  gpr_set_log_verbosity(GPR_LOG_SEVERITY_DEBUG);
+  grpc_tracer_set_enabled("all", 0);
   test_no_logging_in_one_request(config);
   test_no_error_logging_in_entire_process(config);
 }
diff --git a/test/core/end2end/tests/payload.c b/test/core/end2end/tests/payload.c
index c71704ff61..ed1c719ef8 100644
--- a/test/core/end2end/tests/payload.c
+++ b/test/core/end2end/tests/payload.c
@@ -95,9 +95,25 @@ static void end_test(grpc_end2end_test_fixture *f) {
   grpc_completion_queue_destroy(f->cq);
 }
 
+/* Creates and returns a gpr_slice containing random alphanumeric characters. */
+static gpr_slice generate_random_slice() {
+  size_t i;
+  static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890";
+  char output[1024 * 1024];
+  for (i = 0; i < GPR_ARRAY_SIZE(output) - 1; ++i) {
+    output[i] = chars[rand() % (int)(sizeof(chars) - 1)];
+  }
+  output[GPR_ARRAY_SIZE(output) - 1] = '\0';
+  return gpr_slice_from_copied_string(output);
+}
+
 static void request_response_with_payload(grpc_end2end_test_fixture f) {
-  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
-  gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
+  /* Create large request and response bodies. These are big enough to require
+   * multiple round trips to deliver to the peer, and their exact contents of
+   * will be verified on completion. */
+  gpr_slice request_payload_slice = generate_random_slice();
+  gpr_slice response_payload_slice = generate_random_slice();
+
   grpc_call *c;
   grpc_call *s;
   grpc_byte_buffer *request_payload =
@@ -222,8 +238,9 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
   GPR_ASSERT(was_cancelled == 0);
-  GPR_ASSERT(byte_buffer_eq_string(request_payload_recv, "hello world"));
-  GPR_ASSERT(byte_buffer_eq_string(response_payload_recv, "hello you"));
+  GPR_ASSERT(byte_buffer_eq_slice(request_payload_recv, request_payload_slice));
+  GPR_ASSERT(
+      byte_buffer_eq_slice(response_payload_recv, response_payload_slice));
 
   gpr_free(details);
   grpc_metadata_array_destroy(&initial_metadata_recv);
diff --git a/test/core/iomgr/combiner_test.c b/test/core/iomgr/combiner_test.c
new file mode 100644
index 0000000000..f7d5809be7
--- /dev/null
+++ b/test/core/iomgr/combiner_test.c
@@ -0,0 +1,165 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/combiner.h"
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/useful.h>
+
+#include "test/core/util/test_config.h"
+
+static void test_no_op(void) {
+  gpr_log(GPR_DEBUG, "test_no_op");
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_combiner_destroy(&exec_ctx, grpc_combiner_create(NULL));
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void set_bool_to_true(grpc_exec_ctx *exec_ctx, void *value,
+                             grpc_error *error) {
+  *(bool *)value = true;
+}
+
+static void test_execute_one(void) {
+  gpr_log(GPR_DEBUG, "test_execute_one");
+
+  grpc_combiner *lock = grpc_combiner_create(NULL);
+  bool done = false;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_combiner_execute(&exec_ctx, lock,
+                        grpc_closure_create(set_bool_to_true, &done),
+                        GRPC_ERROR_NONE, false);
+  grpc_exec_ctx_flush(&exec_ctx);
+  GPR_ASSERT(done);
+  grpc_combiner_destroy(&exec_ctx, lock);
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+typedef struct {
+  size_t ctr;
+  grpc_combiner *lock;
+} thd_args;
+
+typedef struct {
+  size_t *ctr;
+  size_t value;
+} ex_args;
+
+static void check_one(grpc_exec_ctx *exec_ctx, void *a, grpc_error *error) {
+  ex_args *args = a;
+  GPR_ASSERT(*args->ctr == args->value - 1);
+  *args->ctr = args->value;
+  gpr_free(a);
+}
+
+static void execute_many_loop(void *a) {
+  thd_args *args = a;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  size_t n = 1;
+  for (size_t i = 0; i < 10; i++) {
+    for (size_t j = 0; j < 10000; j++) {
+      ex_args *c = gpr_malloc(sizeof(*c));
+      c->ctr = &args->ctr;
+      c->value = n++;
+      grpc_combiner_execute(&exec_ctx, args->lock,
+                            grpc_closure_create(check_one, c), GRPC_ERROR_NONE,
+                            false);
+      grpc_exec_ctx_flush(&exec_ctx);
+    }
+    // sleep for a little bit, to test a combiner draining and another thread
+    // picking it up
+    gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(100));
+  }
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void test_execute_many(void) {
+  gpr_log(GPR_DEBUG, "test_execute_many");
+
+  grpc_combiner *lock = grpc_combiner_create(NULL);
+  gpr_thd_id thds[100];
+  thd_args ta[GPR_ARRAY_SIZE(thds)];
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
+    gpr_thd_options options = gpr_thd_options_default();
+    gpr_thd_options_set_joinable(&options);
+    ta[i].ctr = 0;
+    ta[i].lock = lock;
+    GPR_ASSERT(gpr_thd_new(&thds[i], execute_many_loop, &ta[i], &options));
+  }
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
+    gpr_thd_join(thds[i]);
+  }
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_combiner_destroy(&exec_ctx, lock);
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static bool got_in_finally = false;
+
+static void in_finally(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
+  got_in_finally = true;
+}
+
+static void add_finally(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
+  grpc_combiner_execute_finally(exec_ctx, arg,
+                                grpc_closure_create(in_finally, NULL),
+                                GRPC_ERROR_NONE, false);
+}
+
+static void test_execute_finally(void) {
+  gpr_log(GPR_DEBUG, "test_execute_finally");
+
+  grpc_combiner *lock = grpc_combiner_create(NULL);
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_combiner_execute(&exec_ctx, lock, grpc_closure_create(add_finally, lock),
+                        GRPC_ERROR_NONE, false);
+  grpc_exec_ctx_flush(&exec_ctx);
+  GPR_ASSERT(got_in_finally);
+  grpc_combiner_destroy(&exec_ctx, lock);
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  grpc_init();
+  test_no_op();
+  test_execute_one();
+  test_execute_finally();
+  test_execute_many();
+  grpc_shutdown();
+
+  return 0;
+}
diff --git a/test/core/support/mpscq_test.c b/test/core/support/mpscq_test.c
new file mode 100644
index 0000000000..491eb9148b
--- /dev/null
+++ b/test/core/support/mpscq_test.c
@@ -0,0 +1,206 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/support/mpscq.h"
+
+#include <stdlib.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/useful.h>
+#include "test/core/util/test_config.h"
+
+typedef struct test_node {
+  gpr_mpscq_node node;
+  size_t i;
+  size_t *ctr;
+} test_node;
+
+static test_node *new_node(size_t i, size_t *ctr) {
+  test_node *n = gpr_malloc(sizeof(test_node));
+  n->i = i;
+  n->ctr = ctr;
+  return n;
+}
+
+static void test_serial(void) {
+  gpr_log(GPR_DEBUG, "test_serial");
+  gpr_mpscq q;
+  gpr_mpscq_init(&q);
+  for (size_t i = 0; i < 10000000; i++) {
+    gpr_mpscq_push(&q, &new_node(i, NULL)->node);
+  }
+  for (size_t i = 0; i < 10000000; i++) {
+    test_node *n = (test_node *)gpr_mpscq_pop(&q);
+    GPR_ASSERT(n);
+    GPR_ASSERT(n->i == i);
+    gpr_free(n);
+  }
+}
+
+typedef struct {
+  size_t ctr;
+  gpr_mpscq *q;
+  gpr_event *start;
+} thd_args;
+
+#define THREAD_ITERATIONS 100000
+
+static void test_thread(void *args) {
+  thd_args *a = args;
+  gpr_event_wait(a->start, gpr_inf_future(GPR_CLOCK_REALTIME));
+  for (size_t i = 1; i <= THREAD_ITERATIONS; i++) {
+    gpr_mpscq_push(a->q, &new_node(i, &a->ctr)->node);
+  }
+}
+
+static void test_mt(void) {
+  gpr_log(GPR_DEBUG, "test_mt");
+  gpr_event start;
+  gpr_event_init(&start);
+  gpr_thd_id thds[100];
+  thd_args ta[GPR_ARRAY_SIZE(thds)];
+  gpr_mpscq q;
+  gpr_mpscq_init(&q);
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
+    gpr_thd_options options = gpr_thd_options_default();
+    gpr_thd_options_set_joinable(&options);
+    ta[i].ctr = 0;
+    ta[i].q = &q;
+    ta[i].start = &start;
+    GPR_ASSERT(gpr_thd_new(&thds[i], test_thread, &ta[i], &options));
+  }
+  size_t num_done = 0;
+  size_t spins = 0;
+  gpr_event_set(&start, (void *)1);
+  while (num_done != GPR_ARRAY_SIZE(thds)) {
+    gpr_mpscq_node *n;
+    while ((n = gpr_mpscq_pop(&q)) == NULL) {
+      spins++;
+    }
+    test_node *tn = (test_node *)n;
+    GPR_ASSERT(*tn->ctr == tn->i - 1);
+    *tn->ctr = tn->i;
+    if (tn->i == THREAD_ITERATIONS) num_done++;
+    gpr_free(tn);
+  }
+  gpr_log(GPR_DEBUG, "spins: %" PRIdPTR, spins);
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
+    gpr_thd_join(thds[i]);
+  }
+  gpr_mpscq_destroy(&q);
+}
+
+typedef struct {
+  thd_args *ta;
+  size_t num_thds;
+  gpr_mu mu;
+  size_t num_done;
+  size_t spins;
+  gpr_mpscq *q;
+  gpr_event *start;
+} pull_args;
+
+static void pull_thread(void *arg) {
+  pull_args *pa = arg;
+  gpr_event_wait(pa->start, gpr_inf_future(GPR_CLOCK_REALTIME));
+
+  for (;;) {
+    gpr_mu_lock(&pa->mu);
+    if (pa->num_done == pa->num_thds) {
+      gpr_mu_unlock(&pa->mu);
+      return;
+    }
+    gpr_mpscq_node *n;
+    while ((n = gpr_mpscq_pop(pa->q)) == NULL) {
+      pa->spins++;
+    }
+    test_node *tn = (test_node *)n;
+    GPR_ASSERT(*tn->ctr == tn->i - 1);
+    *tn->ctr = tn->i;
+    if (tn->i == THREAD_ITERATIONS) pa->num_done++;
+    gpr_free(tn);
+    gpr_mu_unlock(&pa->mu);
+  }
+}
+
+static void test_mt_multipop(void) {
+  gpr_log(GPR_DEBUG, "test_mt_multipop");
+  gpr_event start;
+  gpr_event_init(&start);
+  gpr_thd_id thds[100];
+  gpr_thd_id pull_thds[100];
+  thd_args ta[GPR_ARRAY_SIZE(thds)];
+  gpr_mpscq q;
+  gpr_mpscq_init(&q);
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
+    gpr_thd_options options = gpr_thd_options_default();
+    gpr_thd_options_set_joinable(&options);
+    ta[i].ctr = 0;
+    ta[i].q = &q;
+    ta[i].start = &start;
+    GPR_ASSERT(gpr_thd_new(&thds[i], test_thread, &ta[i], &options));
+  }
+  pull_args pa;
+  pa.ta = ta;
+  pa.num_thds = GPR_ARRAY_SIZE(thds);
+  pa.spins = 0;
+  pa.num_done = 0;
+  pa.q = &q;
+  pa.start = &start;
+  gpr_mu_init(&pa.mu);
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(pull_thds); i++) {
+    gpr_thd_options options = gpr_thd_options_default();
+    gpr_thd_options_set_joinable(&options);
+    GPR_ASSERT(gpr_thd_new(&pull_thds[i], pull_thread, &pa, &options));
+  }
+  gpr_event_set(&start, (void *)1);
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(pull_thds); i++) {
+    gpr_thd_join(pull_thds[i]);
+  }
+  gpr_log(GPR_DEBUG, "spins: %" PRIdPTR, pa.spins);
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
+    gpr_thd_join(thds[i]);
+  }
+  gpr_mpscq_destroy(&q);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  test_serial();
+  test_mt();
+  test_mt_multipop();
+  return 0;
+}
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c
index 553a824b3f..378e45a942 100644
--- a/test/core/support/string_test.c
+++ b/test/core/support/string_test.c
@@ -366,6 +366,13 @@ static void test_leftpad() {
   gpr_free(padded);
 }
 
+static void test_stricmp(void) {
+  GPR_ASSERT(0 == gpr_stricmp("hello", "hello"));
+  GPR_ASSERT(0 == gpr_stricmp("HELLO", "hello"));
+  GPR_ASSERT(gpr_stricmp("a", "b") < 0);
+  GPR_ASSERT(gpr_stricmp("b", "a") > 0);
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_strdup();
@@ -379,5 +386,6 @@ int main(int argc, char **argv) {
   test_ltoa();
   test_int64toa();
   test_leftpad();
+  test_stricmp();
   return 0;
 }
diff --git a/test/core/surface/invalid_channel_args_test.c b/test/core/surface/invalid_channel_args_test.c
index 1b1b8b8f92..0640879866 100644
--- a/test/core/surface/invalid_channel_args_test.c
+++ b/test/core/surface/invalid_channel_args_test.c
@@ -84,38 +84,6 @@ static void one_test(grpc_channel_args *args, char *expected_error_message) {
 
 static void test_no_error_message(void) { one_test(NULL, NULL); }
 
-static void test_max_message_length_type(void) {
-  grpc_arg client_arg;
-  grpc_channel_args client_args;
-  char *expected_error_message;
-
-  client_arg.type = GRPC_ARG_STRING;
-  client_arg.key = GRPC_ARG_MAX_MESSAGE_LENGTH;
-  client_arg.value.string = NULL;
-
-  client_args.num_args = 1;
-  client_args.args = &client_arg;
-  expected_error_message = compose_error_string(
-      GRPC_ARG_MAX_MESSAGE_LENGTH, " ignored: it must be an integer");
-  one_test(&client_args, expected_error_message);
-}
-
-static void test_max_message_length_negative(void) {
-  grpc_arg client_arg;
-  grpc_channel_args client_args;
-  char *expected_error_message;
-
-  client_arg.type = GRPC_ARG_INTEGER;
-  client_arg.key = GRPC_ARG_MAX_MESSAGE_LENGTH;
-  client_arg.value.integer = -1;
-
-  client_args.num_args = 1;
-  client_args.args = &client_arg;
-  expected_error_message = compose_error_string(GRPC_ARG_MAX_MESSAGE_LENGTH,
-                                                " ignored: it must be >= 0");
-  one_test(&client_args, expected_error_message);
-}
-
 static void test_default_authority_type(void) {
   grpc_arg client_arg;
   grpc_channel_args client_args;
@@ -174,8 +142,6 @@ int main(int argc, char **argv) {
   gpr_set_log_function(log_error_sink);
 
   test_no_error_message();
-  test_max_message_length_type();
-  test_max_message_length_negative();
   test_default_authority_type();
   test_ssl_name_override_type();
   test_ssl_name_override_failed();
diff --git a/test/core/surface/lame_client_test.c b/test/core/surface/lame_client_test.c
index 2894b0c66f..6afcefca92 100644
--- a/test/core/surface/lame_client_test.c
+++ b/test/core/surface/lame_client_test.c
@@ -49,32 +49,31 @@ static void *tag(intptr_t x) { return (void *)x; }
 
 void verify_connectivity(grpc_exec_ctx *exec_ctx, void *arg,
                          grpc_error *error) {
-  grpc_transport_op *op = arg;
-  GPR_ASSERT(GRPC_CHANNEL_SHUTDOWN == *op->connectivity_state);
+  grpc_connectivity_state *state = arg;
+  GPR_ASSERT(GRPC_CHANNEL_SHUTDOWN == *state);
   GPR_ASSERT(error == GRPC_ERROR_NONE);
 }
 
 void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {}
 
 void test_transport_op(grpc_channel *channel) {
-  grpc_transport_op op;
+  grpc_transport_op *op;
   grpc_channel_element *elem;
   grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
-  memset(&op, 0, sizeof(op));
-  grpc_closure_init(&transport_op_cb, verify_connectivity, &op);
+  grpc_closure_init(&transport_op_cb, verify_connectivity, &state);
 
-  op.on_connectivity_state_change = &transport_op_cb;
-  op.connectivity_state = &state;
+  op = grpc_make_transport_op(NULL);
+  op->on_connectivity_state_change = &transport_op_cb;
+  op->connectivity_state = &state;
   elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0);
-  elem->filter->start_transport_op(&exec_ctx, elem, &op);
+  elem->filter->start_transport_op(&exec_ctx, elem, op);
   grpc_exec_ctx_finish(&exec_ctx);
 
-  memset(&op, 0, sizeof(op));
   grpc_closure_init(&transport_op_cb, do_nothing, NULL);
-  op.on_consumed = &transport_op_cb;
-  elem->filter->start_transport_op(&exec_ctx, elem, &op);
+  op = grpc_make_transport_op(&transport_op_cb);
+  elem->filter->start_transport_op(&exec_ctx, elem, op);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
diff --git a/test/core/transport/chttp2/hpack_parser_fuzzer_test.c b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
index b7f68e0dd4..95acbf1a68 100644
--- a/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
+++ b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
@@ -43,7 +43,9 @@
 bool squelch = true;
 bool leak_check = true;
 
-static void onhdr(void *ud, grpc_mdelem *md) { GRPC_MDELEM_UNREF(md); }
+static void onhdr(grpc_exec_ctx *exec_ctx, void *ud, grpc_mdelem *md) {
+  GRPC_MDELEM_UNREF(md);
+}
 static void dont_log(gpr_log_func_args *args) {}
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
@@ -53,7 +55,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   grpc_chttp2_hpack_parser parser;
   grpc_chttp2_hpack_parser_init(&parser);
   parser.on_header = onhdr;
-  GRPC_ERROR_UNREF(grpc_chttp2_hpack_parser_parse(&parser, data, data + size));
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  GRPC_ERROR_UNREF(
+      grpc_chttp2_hpack_parser_parse(&exec_ctx, &parser, data, data + size));
+  grpc_exec_ctx_finish(&exec_ctx);
   grpc_chttp2_hpack_parser_destroy(&parser);
   grpc_shutdown();
   return 0;
diff --git a/test/core/transport/chttp2/hpack_parser_test.c b/test/core/transport/chttp2/hpack_parser_test.c
index 9ddceb8981..55b64f5d99 100644
--- a/test/core/transport/chttp2/hpack_parser_test.c
+++ b/test/core/transport/chttp2/hpack_parser_test.c
@@ -45,7 +45,7 @@
 
 typedef struct { va_list args; } test_checker;
 
-static void onhdr(void *ud, grpc_mdelem *md) {
+static void onhdr(grpc_exec_ctx *exec_ctx, void *ud, grpc_mdelem *md) {
   const char *ekey, *evalue;
   test_checker *chk = ud;
   ekey = va_arg(chk->args, char *);
@@ -75,9 +75,11 @@ static void test_vector(grpc_chttp2_hpack_parser *parser,
   gpr_slice_unref(input);
 
   for (i = 0; i < nslices; i++) {
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
     GPR_ASSERT(grpc_chttp2_hpack_parser_parse(
-                   parser, GPR_SLICE_START_PTR(slices[i]),
+                   &exec_ctx, parser, GPR_SLICE_START_PTR(slices[i]),
                    GPR_SLICE_END_PTR(slices[i])) == GRPC_ERROR_NONE);
+    grpc_exec_ctx_finish(&exec_ctx);
   }
 
   for (i = 0; i < nslices; i++) {
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index 66614922f1..b1d3ce92f6 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -80,11 +80,14 @@ const char kTestCredsPluginErrorMsg[] = "Could not find plugin metadata.";
 
 class TestMetadataCredentialsPlugin : public MetadataCredentialsPlugin {
  public:
-  static const char kMetadataKey[];
+  static const char kGoodMetadataKey[];
+  static const char kBadMetadataKey[];
 
-  TestMetadataCredentialsPlugin(grpc::string_ref metadata_value,
+  TestMetadataCredentialsPlugin(grpc::string_ref metadata_key,
+                                grpc::string_ref metadata_value,
                                 bool is_blocking, bool is_successful)
-      : metadata_value_(metadata_value.data(), metadata_value.length()),
+      : metadata_key_(metadata_key.data(), metadata_key.length()),
+        metadata_value_(metadata_value.data(), metadata_value.length()),
         is_blocking_(is_blocking),
         is_successful_(is_successful) {}
 
@@ -99,7 +102,7 @@ class TestMetadataCredentialsPlugin : public MetadataCredentialsPlugin {
     EXPECT_TRUE(channel_auth_context.IsPeerAuthenticated());
     EXPECT_TRUE(metadata != nullptr);
     if (is_successful_) {
-      metadata->insert(std::make_pair(kMetadataKey, metadata_value_));
+      metadata->insert(std::make_pair(metadata_key_, metadata_value_));
       return Status::OK;
     } else {
       return Status(StatusCode::NOT_FOUND, kTestCredsPluginErrorMsg);
@@ -107,12 +110,16 @@ class TestMetadataCredentialsPlugin : public MetadataCredentialsPlugin {
   }
 
  private:
+  grpc::string metadata_key_;
   grpc::string metadata_value_;
   bool is_blocking_;
   bool is_successful_;
 };
 
-const char TestMetadataCredentialsPlugin::kMetadataKey[] = "TestPluginMetadata";
+const char TestMetadataCredentialsPlugin::kBadMetadataKey[] =
+    "TestPluginMetadata";
+const char TestMetadataCredentialsPlugin::kGoodMetadataKey[] =
+    "test-plugin-metadata";
 
 class TestAuthMetadataProcessor : public AuthMetadataProcessor {
  public:
@@ -123,13 +130,17 @@ class TestAuthMetadataProcessor : public AuthMetadataProcessor {
   std::shared_ptr<CallCredentials> GetCompatibleClientCreds() {
     return MetadataCredentialsFromPlugin(
         std::unique_ptr<MetadataCredentialsPlugin>(
-            new TestMetadataCredentialsPlugin(kGoodGuy, is_blocking_, true)));
+            new TestMetadataCredentialsPlugin(
+                TestMetadataCredentialsPlugin::kGoodMetadataKey, kGoodGuy,
+                is_blocking_, true)));
   }
 
   std::shared_ptr<CallCredentials> GetIncompatibleClientCreds() {
     return MetadataCredentialsFromPlugin(
         std::unique_ptr<MetadataCredentialsPlugin>(
-            new TestMetadataCredentialsPlugin("Mr Hyde", is_blocking_, true)));
+            new TestMetadataCredentialsPlugin(
+                TestMetadataCredentialsPlugin::kGoodMetadataKey, "Mr Hyde",
+                is_blocking_, true)));
   }
 
   // Interface implementation
@@ -142,7 +153,7 @@ class TestAuthMetadataProcessor : public AuthMetadataProcessor {
     EXPECT_TRUE(context != nullptr);
     EXPECT_TRUE(response_metadata != nullptr);
     auto auth_md =
-        auth_metadata.find(TestMetadataCredentialsPlugin::kMetadataKey);
+        auth_metadata.find(TestMetadataCredentialsPlugin::kGoodMetadataKey);
     EXPECT_NE(auth_md, auth_metadata.end());
     string_ref auth_md_value = auth_md->second;
     if (auth_md_value == kGoodGuy) {
@@ -1322,6 +1333,40 @@ TEST_P(SecureEnd2endTest, OverridePerCallCredentials) {
   EXPECT_TRUE(s.ok());
 }
 
+TEST_P(SecureEnd2endTest, AuthMetadataPluginKeyFailure) {
+  ResetStub();
+  EchoRequest request;
+  EchoResponse response;
+  ClientContext context;
+  context.set_credentials(
+      MetadataCredentialsFromPlugin(std::unique_ptr<MetadataCredentialsPlugin>(
+          new TestMetadataCredentialsPlugin(
+              TestMetadataCredentialsPlugin::kBadMetadataKey,
+              "Does not matter, will fail the key is invalid.", false, true))));
+  request.set_message("Hello");
+
+  Status s = stub_->Echo(&context, request, &response);
+  EXPECT_FALSE(s.ok());
+  EXPECT_EQ(s.error_code(), StatusCode::UNAUTHENTICATED);
+}
+
+TEST_P(SecureEnd2endTest, AuthMetadataPluginValueFailure) {
+  ResetStub();
+  EchoRequest request;
+  EchoResponse response;
+  ClientContext context;
+  context.set_credentials(
+      MetadataCredentialsFromPlugin(std::unique_ptr<MetadataCredentialsPlugin>(
+          new TestMetadataCredentialsPlugin(
+              TestMetadataCredentialsPlugin::kGoodMetadataKey,
+              "With illegal \n value.", false, true))));
+  request.set_message("Hello");
+
+  Status s = stub_->Echo(&context, request, &response);
+  EXPECT_FALSE(s.ok());
+  EXPECT_EQ(s.error_code(), StatusCode::UNAUTHENTICATED);
+}
+
 TEST_P(SecureEnd2endTest, NonBlockingAuthMetadataPluginFailure) {
   ResetStub();
   EchoRequest request;
@@ -1330,6 +1375,7 @@ TEST_P(SecureEnd2endTest, NonBlockingAuthMetadataPluginFailure) {
   context.set_credentials(
       MetadataCredentialsFromPlugin(std::unique_ptr<MetadataCredentialsPlugin>(
           new TestMetadataCredentialsPlugin(
+              TestMetadataCredentialsPlugin::kGoodMetadataKey,
               "Does not matter, will fail anyway (see 3rd param)", false,
               false))));
   request.set_message("Hello");
@@ -1388,6 +1434,7 @@ TEST_P(SecureEnd2endTest, BlockingAuthMetadataPluginFailure) {
   context.set_credentials(
       MetadataCredentialsFromPlugin(std::unique_ptr<MetadataCredentialsPlugin>(
           new TestMetadataCredentialsPlugin(
+              TestMetadataCredentialsPlugin::kGoodMetadataKey,
               "Does not matter, will fail anyway (see 3rd param)", true,
               false))));
   request.set_message("Hello");
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index b021b34523..0b9d4cda9f 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -339,7 +339,11 @@ static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
     ClientContext context;
     Status s = stub->Echo(&context, request, &response);
     EXPECT_EQ(response.message(), request.message());
-    EXPECT_TRUE(s.ok());
+    if (!s.ok()) {
+      gpr_log(GPR_ERROR, "RPC error: %d: %s", s.error_code(),
+              s.error_message().c_str());
+    }
+    ASSERT_TRUE(s.ok());
   }
 }
 
diff --git a/test/cpp/grpclb/grpclb_api_test.cc b/test/cpp/grpclb/grpclb_api_test.cc
index 33de1ee93c..e67189c69e 100644
--- a/test/cpp/grpclb/grpclb_api_test.cc
+++ b/test/cpp/grpclb/grpclb_api_test.cc
@@ -31,10 +31,12 @@
  *
  */
 
+#include <grpc++/impl/codegen/config.h>
 #include <gtest/gtest.h>
-#include <string>
 
 #include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/sockaddr_utils.h"
 #include "src/proto/grpc/lb/v1/load_balancer.pb.h"  // C++ version
 
 namespace grpc {
@@ -45,8 +47,28 @@ using grpc::lb::v1::LoadBalanceResponse;
 
 class GrpclbTest : public ::testing::Test {};
 
+grpc::string Ip4ToPackedString(const char* ip_str) {
+  struct in_addr ip4;
+  GPR_ASSERT(inet_pton(AF_INET, ip_str, &ip4) == 1);
+  return grpc::string(reinterpret_cast<const char*>(&ip4), sizeof(ip4));
+}
+
+grpc::string PackedStringToIp(const grpc_grpclb_ip_address& pb_ip) {
+  char ip_str[46] = {0};
+  int af = -1;
+  if (pb_ip.size == 4) {
+    af = AF_INET;
+  } else if (pb_ip.size == 16) {
+    af = AF_INET6;
+  } else {
+    abort();
+  }
+  GPR_ASSERT(inet_ntop(af, pb_ip.bytes, ip_str, 46) != NULL);
+  return ip_str;
+}
+
 TEST_F(GrpclbTest, CreateRequest) {
-  const std::string service_name = "AServiceName";
+  const grpc::string service_name = "AServiceName";
   LoadBalanceRequest request;
   grpc_grpclb_request* c_req = grpc_grpclb_request_create(service_name.c_str());
   gpr_slice slice = grpc_grpclb_request_encode(c_req);
@@ -65,7 +87,7 @@ TEST_F(GrpclbTest, ParseInitialResponse) {
       initial_response->mutable_client_stats_report_interval();
   client_stats_report_interval->set_seconds(123);
   client_stats_report_interval->set_nanos(456);
-  const std::string encoded_response = response.SerializeAsString();
+  const grpc::string encoded_response = response.SerializeAsString();
   gpr_slice encoded_slice =
       gpr_slice_from_copied_string(encoded_response.c_str());
 
@@ -82,29 +104,31 @@ TEST_F(GrpclbTest, ParseResponseServerList) {
   LoadBalanceResponse response;
   auto* serverlist = response.mutable_server_list();
   auto* server = serverlist->add_servers();
-  server->set_ip_address("127.0.0.1");
+  server->set_ip_address(Ip4ToPackedString("127.0.0.1"));
   server->set_port(12345);
   server->set_drop_request(true);
   server = response.mutable_server_list()->add_servers();
-  server->set_ip_address("10.0.0.1");
+  server->set_ip_address(Ip4ToPackedString("10.0.0.1"));
   server->set_port(54321);
   server->set_drop_request(false);
   auto* expiration_interval = serverlist->mutable_expiration_interval();
   expiration_interval->set_seconds(888);
   expiration_interval->set_nanos(999);
 
-  const std::string encoded_response = response.SerializeAsString();
-  gpr_slice encoded_slice =
-      gpr_slice_from_copied_string(encoded_response.c_str());
+  const grpc::string encoded_response = response.SerializeAsString();
+  const gpr_slice encoded_slice = gpr_slice_from_copied_buffer(
+      encoded_response.data(), encoded_response.size());
   grpc_grpclb_serverlist* c_serverlist =
       grpc_grpclb_response_parse_serverlist(encoded_slice);
   ASSERT_EQ(c_serverlist->num_servers, 2ul);
   EXPECT_TRUE(c_serverlist->servers[0]->has_ip_address);
-  EXPECT_TRUE(strcmp(c_serverlist->servers[0]->ip_address, "127.0.0.1") == 0);
+  EXPECT_EQ(PackedStringToIp(c_serverlist->servers[0]->ip_address),
+            "127.0.0.1");
   EXPECT_EQ(c_serverlist->servers[0]->port, 12345);
   EXPECT_TRUE(c_serverlist->servers[0]->drop_request);
   EXPECT_TRUE(c_serverlist->servers[1]->has_ip_address);
-  EXPECT_TRUE(strcmp(c_serverlist->servers[1]->ip_address, "10.0.0.1") == 0);
+
+  EXPECT_EQ(PackedStringToIp(c_serverlist->servers[1]->ip_address), "10.0.0.1");
   EXPECT_EQ(c_serverlist->servers[1]->port, 54321);
   EXPECT_FALSE(c_serverlist->servers[1]->drop_request);
 
diff --git a/test/cpp/grpclb/grpclb_test.cc b/test/cpp/grpclb/grpclb_test.cc
index 6f6fb83c23..95abe38031 100644
--- a/test/cpp/grpclb/grpclb_test.cc
+++ b/test/cpp/grpclb/grpclb_test.cc
@@ -37,7 +37,10 @@
 #include <cstring>
 #include <string>
 
+#include <gtest/gtest.h>
+
 #include <grpc/grpc.h>
+#include <grpc/impl/codegen/byte_buffer_reader.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
@@ -46,9 +49,11 @@
 #include <grpc/support/thd.h>
 #include <grpc/support/time.h>
 
+#include <grpc++/impl/codegen/config.h>
 extern "C" {
 #include "src/core/ext/client_config/client_channel.h"
 #include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/iomgr/sockaddr.h"
 #include "src/core/lib/support/string.h"
 #include "src/core/lib/support/tmpfile.h"
 #include "src/core/lib/surface/channel.h"
@@ -61,16 +66,19 @@ extern "C" {
 #include "src/proto/grpc/lb/v1/load_balancer.pb.h"
 
 #define NUM_BACKENDS 4
+#define PAYLOAD "hello you"
 
 // TODO(dgq): Other scenarios in need of testing:
 // - Send an empty serverlist update and verify that the client request blocks
 //   until a new serverlist with actual contents is available.
 // - Send identical serverlist update
+// - Send a serverlist with faulty ip:port addresses (port > 2^16, etc).
 // - Test reception of invalid serverlist
 // - Test pinging
 // - Test against a non-LB server. That server should return UNIMPLEMENTED and
 //   the call should fail.
 // - Random LB server closing the stream unexpectedly.
+// - Test using DNS-resolvable names (localhost?)
 
 namespace grpc {
 namespace {
@@ -105,8 +113,8 @@ static gpr_slice build_response_payload_slice(
     int64_t expiration_interval_secs, int32_t expiration_interval_nanos) {
   // server_list {
   //   servers {
-  //     ip_address: "127.0.0.1"
-  //     port: ...
+  //     ip_address: <in_addr/6 bytes of an IP>
+  //     port: <16 bit uint>
   //     load_balance_token: "token..."
   //   }
   //   ...
@@ -125,21 +133,21 @@ static gpr_slice build_response_payload_slice(
   }
   for (size_t i = 0; i < nports; i++) {
     auto *server = serverlist->add_servers();
-    server->set_ip_address(host);
+    // TODO(dgq): test ipv6
+    struct in_addr ip4;
+    GPR_ASSERT(inet_pton(AF_INET, host, &ip4) == 1);
+    server->set_ip_address(
+        grpc::string(reinterpret_cast<const char *>(&ip4), sizeof(ip4)));
     server->set_port(ports[i]);
     // The following long long int cast is meant to work around the
     // disfunctional implementation of std::to_string in gcc 4.4, which doesn't
     // have a version for int but does have one for long long int.
-    server->set_load_balance_token("token" +
-                                   std::to_string((long long int)ports[i]));
+    string token_data = "token" + std::to_string((long long int)ports[i]);
+    token_data.resize(64, '-');
+    server->set_load_balance_token(token_data);
   }
-
-  gpr_log(GPR_INFO, "generating response: %s",
-          response.ShortDebugString().c_str());
-
-  const gpr_slice response_slice =
-      gpr_slice_from_copied_string(response.SerializeAsString().c_str());
-  return response_slice;
+  const grpc::string &enc_resp = response.SerializeAsString();
+  return gpr_slice_from_copied_buffer(enc_resp.data(), enc_resp.size());
 }
 
 static void drain_cq(grpc_completion_queue *cq) {
@@ -181,20 +189,9 @@ static void start_lb_server(server_fixture *sf, int *ports, size_t nports,
   cq_verify(cqv);
   gpr_log(GPR_INFO, "LB Server[%s] after tag 200", sf->servers_hostport);
 
-  op = ops;
-  op->op = GRPC_OP_SEND_INITIAL_METADATA;
-  op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
-  op->reserved = NULL;
-  op++;
-  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
-  op->data.recv_close_on_server.cancelled = &was_cancelled;
-  op->flags = 0;
-  op->reserved = NULL;
-  op++;
-  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(201), NULL);
-  GPR_ASSERT(GRPC_CALL_OK == error);
-  gpr_log(GPR_INFO, "LB Server[%s] after tag 201", sf->servers_hostport);
+  // make sure we've received the initial metadata from the grpclb request.
+  GPR_ASSERT(request_metadata_recv.count > 0);
+  GPR_ASSERT(request_metadata_recv.metadata != NULL);
 
   // receive request for backends
   op = ops;
@@ -208,9 +205,36 @@ static void start_lb_server(server_fixture *sf, int *ports, size_t nports,
   CQ_EXPECT_COMPLETION(cqv, tag(202), 1);
   cq_verify(cqv);
   gpr_log(GPR_INFO, "LB Server[%s] after RECV_MSG", sf->servers_hostport);
-  // TODO(dgq): validate request.
+
+  // validate initial request.
+  grpc_byte_buffer_reader bbr;
+  grpc_byte_buffer_reader_init(&bbr, request_payload_recv);
+  gpr_slice request_payload_slice = grpc_byte_buffer_reader_readall(&bbr);
+  grpc::lb::v1::LoadBalanceRequest request;
+  request.ParseFromArray(GPR_SLICE_START_PTR(request_payload_slice),
+                         GPR_SLICE_LENGTH(request_payload_slice));
+  GPR_ASSERT(request.has_initial_request());
+  GPR_ASSERT(request.initial_request().name() == "load.balanced.service.name");
+  gpr_slice_unref(request_payload_slice);
+  grpc_byte_buffer_reader_destroy(&bbr);
   grpc_byte_buffer_destroy(request_payload_recv);
+
   gpr_slice response_payload_slice;
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(201), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  gpr_log(GPR_INFO, "LB Server[%s] after tag 201", sf->servers_hostport);
+
   for (int i = 0; i < 2; i++) {
     if (i == 0) {
       // First half of the ports.
@@ -303,6 +327,16 @@ static void start_backend_server(server_fixture *sf) {
       return;
     }
     GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+
+    // The following long long int cast is meant to work around the
+    // disfunctional implementation of std::to_string in gcc 4.4, which doesn't
+    // have a version for int but does have one for long long int.
+    string expected_token = "token" + std::to_string((long long int)sf->port);
+    expected_token.resize(64, '-');
+    GPR_ASSERT(contains_metadata(&request_metadata_recv,
+                                 "load-reporting-initial",
+                                 expected_token.c_str()));
+
     gpr_log(GPR_INFO, "Server[%s] after tag 100", sf->servers_hostport);
 
     op = ops;
@@ -321,8 +355,7 @@ static void start_backend_server(server_fixture *sf) {
     gpr_log(GPR_INFO, "Server[%s] after tag 101", sf->servers_hostport);
 
     bool exit = false;
-    gpr_slice response_payload_slice =
-        gpr_slice_from_copied_string("hello you");
+    gpr_slice response_payload_slice = gpr_slice_from_copied_string(PAYLOAD);
     while (!exit) {
       op = ops;
       op->op = GRPC_OP_RECV_MESSAGE;
@@ -474,10 +507,9 @@ static void perform_request(client_fixture *cf) {
     error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(2), NULL);
     GPR_ASSERT(GRPC_CALL_OK == error);
 
-    peer = grpc_call_get_peer(c);
     CQ_EXPECT_COMPLETION(cqv, tag(2), 1);
     cq_verify(cqv);
-    gpr_free(peer);
+    GPR_ASSERT(byte_buffer_eq_string(response_payload_recv, PAYLOAD));
 
     grpc_byte_buffer_destroy(request_payload);
     grpc_byte_buffer_destroy(response_payload_recv);
@@ -583,27 +615,30 @@ static void fork_lb_server(void *arg) {
                   tf->lb_server_update_delay_ms);
 }
 
-static void setup_test_fixture(test_fixture *tf,
-                               int lb_server_update_delay_ms) {
-  tf->lb_server_update_delay_ms = lb_server_update_delay_ms;
+static test_fixture setup_test_fixture(int lb_server_update_delay_ms) {
+  test_fixture tf;
+  memset(&tf, 0, sizeof(tf));
+  tf.lb_server_update_delay_ms = lb_server_update_delay_ms;
 
   gpr_thd_options options = gpr_thd_options_default();
   gpr_thd_options_set_joinable(&options);
 
   for (int i = 0; i < NUM_BACKENDS; ++i) {
-    setup_server("127.0.0.1", &tf->lb_backends[i]);
-    gpr_thd_new(&tf->lb_backends[i].tid, fork_backend_server,
-                &tf->lb_backends[i], &options);
+    setup_server("127.0.0.1", &tf.lb_backends[i]);
+    gpr_thd_new(&tf.lb_backends[i].tid, fork_backend_server, &tf.lb_backends[i],
+                &options);
   }
 
-  setup_server("127.0.0.1", &tf->lb_server);
-  gpr_thd_new(&tf->lb_server.tid, fork_lb_server, &tf->lb_server, &options);
+  setup_server("127.0.0.1", &tf.lb_server);
+  gpr_thd_new(&tf.lb_server.tid, fork_lb_server, &tf.lb_server, &options);
 
   char *server_uri;
   gpr_asprintf(&server_uri, "ipv4:%s?lb_policy=grpclb&lb_enabled=1",
-               tf->lb_server.servers_hostport);
-  setup_client(server_uri, &tf->client);
+               tf.lb_server.servers_hostport);
+  setup_client(server_uri, &tf.client);
   gpr_free(server_uri);
+
+  return tf;
 }
 
 static void teardown_test_fixture(test_fixture *tf) {
@@ -614,19 +649,13 @@ static void teardown_test_fixture(test_fixture *tf) {
   teardown_server(&tf->lb_server);
 }
 
-// The LB server will send two updates: batch 1 and batch 2. Each batch
-// contains
-// two addresses, both of a valid and running backend server. Batch 1 is
-// readily
-// available and provided as soon as the client establishes the streaming
-// call.
-// Batch 2 is sent after a delay of \a lb_server_update_delay_ms
-// milliseconds.
+// The LB server will send two updates: batch 1 and batch 2. Each batch contains
+// two addresses, both of a valid and running backend server. Batch 1 is readily
+// available and provided as soon as the client establishes the streaming call.
+// Batch 2 is sent after a delay of \a lb_server_update_delay_ms milliseconds.
 static test_fixture test_update(int lb_server_update_delay_ms) {
   gpr_log(GPR_INFO, "start %s(%d)", __func__, lb_server_update_delay_ms);
-  test_fixture tf;
-  memset(&tf, 0, sizeof(tf));
-  setup_test_fixture(&tf, lb_server_update_delay_ms);
+  test_fixture tf = setup_test_fixture(lb_server_update_delay_ms);
   perform_request(
       &tf.client);  // "consumes" 1st backend server of 1st serverlist
   perform_request(
@@ -642,13 +671,7 @@ static test_fixture test_update(int lb_server_update_delay_ms) {
   return tf;
 }
 
-}  // namespace
-}  // namespace grpc
-
-int main(int argc, char **argv) {
-  grpc_test_init(argc, argv);
-  grpc_init();
-
+TEST(GrpclbTest, Updates) {
   grpc::test_fixture tf_result;
   // Clients take a bit over one second to complete a call (the last part of the
   // call sleeps for 1 second while verifying the client's completion queue is
@@ -683,7 +706,18 @@ int main(int argc, char **argv) {
   GPR_ASSERT(tf_result.lb_backends[1].num_calls_serviced > 0);
   GPR_ASSERT(tf_result.lb_backends[2].num_calls_serviced > 0);
   GPR_ASSERT(tf_result.lb_backends[3].num_calls_serviced == 0);
+}
 
+TEST(GrpclbTest, InvalidAddressInServerlist) {}
+
+}  // namespace
+}  // namespace grpc
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  grpc_test_init(argc, argv);
+  grpc_init();
+  const auto result = RUN_ALL_TESTS();
   grpc_shutdown();
-  return 0;
+  return result;
 }
diff --git a/test/cpp/interop/interop_server.cc b/test/cpp/interop/interop_server.cc
index e5878bb248..c05eb5d146 100644
--- a/test/cpp/interop/interop_server.cc
+++ b/test/cpp/interop/interop_server.cc
@@ -56,6 +56,7 @@
 
 DEFINE_bool(use_tls, false, "Whether to use tls.");
 DEFINE_int32(port, 0, "Server port.");
+DEFINE_int32(max_send_message_size, -1, "The maximum send message size.");
 
 using grpc::Server;
 using grpc::ServerBuilder;
@@ -321,6 +322,9 @@ void grpc::testing::interop::RunServer(
   ServerBuilder builder;
   builder.RegisterService(&service);
   builder.AddListeningPort(server_address.str(), creds);
+  if (FLAGS_max_send_message_size >= 0) {
+    builder.SetMaxSendMessageSize(FLAGS_max_send_message_size);
+  }
   std::unique_ptr<Server> server(builder.BuildAndStart());
   gpr_log(GPR_INFO, "Server listening on %s", server_address.str().c_str());
   while (!g_got_sigint) {
diff --git a/test/cpp/qps/client.h b/test/cpp/qps/client.h
index fada4ba767..c8809cbc5b 100644
--- a/test/cpp/qps/client.h
+++ b/test/cpp/qps/client.h
@@ -129,13 +129,17 @@ class HistogramEntry GRPC_FINAL {
 
 class Client {
  public:
-  Client() : timer_(new UsageTimer), interarrival_timer_() {}
+  Client() : timer_(new UsageTimer), interarrival_timer_() {
+    gpr_event_init(&start_requests_);
+  }
   virtual ~Client() {}
 
   ClientStats Mark(bool reset) {
     Histogram latencies;
     UsageTimer::Result timer_result;
 
+    MaybeStartRequests();
+
     // avoid std::vector for old compilers that expect a copy constructor
     if (reset) {
       Histogram* to_merge = new Histogram[threads_.size()];
@@ -189,7 +193,10 @@ class Client {
     }
   }
 
-  void EndThreads() { threads_.clear(); }
+  void EndThreads() {
+    MaybeStartRequests();
+    threads_.clear();
+  }
 
   virtual void DestroyMultithreading() = 0;
   virtual bool ThreadFunc(HistogramEntry* histogram, size_t thread_idx) = 0;
@@ -265,6 +272,13 @@ class Client {
     Thread& operator=(const Thread&);
 
     void ThreadFunc() {
+      while (!gpr_event_wait(
+          &client_->start_requests_,
+          gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
+                       gpr_time_from_seconds(1, GPR_TIMESPAN)))) {
+        gpr_log(GPR_INFO, "Waiting for benchmark to start");
+      }
+
       for (;;) {
         // run the loop body
         HistogramEntry entry;
@@ -302,6 +316,16 @@ class Client {
   size_t threads_remaining_;
   std::condition_variable threads_complete_;
 
+  gpr_event start_requests_;
+  bool started_requests_;
+
+  void MaybeStartRequests() {
+    if (!started_requests_) {
+      started_requests_ = true;
+      gpr_event_set(&start_requests_, (void*)1);
+    }
+  }
+
   void CompleteThread() {
     std::lock_guard<std::mutex> g(thread_completion_mu_);
     threads_remaining_--;
@@ -359,7 +383,7 @@ class ClientImpl : public Client {
       gpr_log(GPR_INFO, "Connecting to %s", target.c_str());
       GPR_ASSERT(channel_->WaitForConnected(
           gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
-                       gpr_time_from_seconds(30, GPR_TIMESPAN))));
+                       gpr_time_from_seconds(300, GPR_TIMESPAN))));
       stub_ = create_stub(channel_);
     }
     Channel* get_channel() { return channel_.get(); }
diff --git a/test/cpp/qps/client_sync.cc b/test/cpp/qps/client_sync.cc
index 8062424a1f..0ccf4e270b 100644
--- a/test/cpp/qps/client_sync.cc
+++ b/test/cpp/qps/client_sync.cc
@@ -130,6 +130,10 @@ class SynchronousUnaryClient GRPC_FINAL : public SynchronousClient {
     grpc::Status s =
         stub->UnaryCall(&context, request_, &responses_[thread_idx]);
     entry->set_value((UsageTimer::Now() - start) * 1e9);
+    if (!s.ok()) {
+      gpr_log(GPR_ERROR, "RPC error: %d: %s", s.error_code(),
+              s.error_message().c_str());
+    }
     return s.ok();
   }
 };
diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc
index f67f353c4d..6965495206 100644
--- a/test/cpp/qps/driver.cc
+++ b/test/cpp/qps/driver.cc
@@ -45,6 +45,7 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 
+#include "src/core/lib/profiling/timers.h"
 #include "src/core/lib/support/env.h"
 #include "src/proto/grpc/testing/services.grpc.pb.h"
 #include "test/core/util/port.h"
@@ -366,12 +367,37 @@ std::unique_ptr<ScenarioResult> RunScenario(
     if (!clients[i].stream->Write(args)) {
       gpr_log(GPR_ERROR, "Could not write args to client %zu", i);
     }
+  }
+
+  for (size_t i = 0; i < num_clients; i++) {
     ClientStatus init_status;
     if (!clients[i].stream->Read(&init_status)) {
       gpr_log(GPR_ERROR, "Client %zu did not yield initial status", i);
     }
   }
 
+  // Send an initial mark: clients can use this to know that everything is ready
+  // to start
+  gpr_log(GPR_INFO, "Initiating");
+  ServerArgs server_mark;
+  server_mark.mutable_mark()->set_reset(true);
+  ClientArgs client_mark;
+  client_mark.mutable_mark()->set_reset(true);
+  ServerStatus server_status;
+  ClientStatus client_status;
+  for (size_t i = 0; i < num_clients; i++) {
+    auto client = &clients[i];
+    if (!client->stream->Write(client_mark)) {
+      gpr_log(GPR_ERROR, "Couldn't write mark to client %zu", i);
+    }
+  }
+  for (size_t i = 0; i < num_clients; i++) {
+    auto client = &clients[i];
+    if (!client->stream->Read(&client_status)) {
+      gpr_log(GPR_ERROR, "Couldn't get status from client %zu", i);
+    }
+  }
+
   // Let everything warmup
   gpr_log(GPR_INFO, "Warming up");
   gpr_timespec start = gpr_now(GPR_CLOCK_REALTIME);
@@ -380,10 +406,6 @@ std::unique_ptr<ScenarioResult> RunScenario(
 
   // Start a run
   gpr_log(GPR_INFO, "Starting");
-  ServerArgs server_mark;
-  server_mark.mutable_mark()->set_reset(true);
-  ClientArgs client_mark;
-  client_mark.mutable_mark()->set_reset(true);
   for (size_t i = 0; i < num_servers; i++) {
     auto server = &servers[i];
     if (!server->stream->Write(server_mark)) {
@@ -396,8 +418,6 @@ std::unique_ptr<ScenarioResult> RunScenario(
       gpr_log(GPR_ERROR, "Couldn't write mark to client %zu", i);
     }
   }
-  ServerStatus server_status;
-  ClientStatus client_status;
   for (size_t i = 0; i < num_servers; i++) {
     auto server = &servers[i];
     if (!server->stream->Read(&server_status)) {
@@ -419,6 +439,8 @@ std::unique_ptr<ScenarioResult> RunScenario(
       start,
       gpr_time_from_seconds(warmup_seconds + benchmark_seconds, GPR_TIMESPAN)));
 
+  gpr_timer_set_enabled(0);
+
   // Finish a run
   std::unique_ptr<ScenarioResult> result(new ScenarioResult);
   Histogram merged_latencies;
diff --git a/test/cpp/util/proto_reflection_descriptor_database.h b/test/cpp/util/proto_reflection_descriptor_database.h
index eb7cf4907d..0e69696d5f 100644
--- a/test/cpp/util/proto_reflection_descriptor_database.h
+++ b/test/cpp/util/proto_reflection_descriptor_database.h
@@ -45,6 +45,8 @@
 #include <grpc++/ext/reflection.grpc.pb.h>
 #endif  // GRPC_NO_GENERATED_CODE
 #include <grpc++/grpc++.h>
+#include <grpc++/impl/codegen/config_protobuf.h>
+
 namespace grpc {
 
 // ProtoReflectionDescriptorDatabase takes a stub of ServerReflection and
diff --git a/test/distrib/csharp/run_distrib_test.bat b/test/distrib/csharp/run_distrib_test.bat
index 67bfc58ac8..6cf381142f 100644
--- a/test/distrib/csharp/run_distrib_test.bat
+++ b/test/distrib/csharp/run_distrib_test.bat
@@ -31,12 +31,22 @@
 cd /d %~dp0
 
 @rem extract input artifacts
-powershell -Command "Add-Type -Assembly 'System.IO.Compression.FileSystem'; [System.IO.Compression.ZipFile]::ExtractToDirectory('../../../input_artifacts/csharp_nugets.zip', 'TestNugetFeed');"
+powershell -Command "Add-Type -Assembly 'System.IO.Compression.FileSystem'; [System.IO.Compression.ZipFile]::ExtractToDirectory('../../../input_artifacts/csharp_nugets_dotnetcli.zip', 'TestNugetFeed');"
 
 update_version.sh auto
 
 set NUGET=C:\nuget\nuget.exe
-%NUGET% restore || goto :error
+
+@rem TODO(jtattermusch): Get rid of this hack. See #8034
+@rem We can't do just "nuget restore" because restoring a .sln solution doesn't work
+@rem with nuget 3.X. On the other hand, we need nuget 2.12+ to be able to restore
+@rem some of the packages (e.g. System.Interactive.Async), but nuget 2.12
+@rem hasn't been officially released.
+@rem Please note that "Restore nuget packages" in VS2013 and VS2015 GUI works as usual.
+
+cd DistribTest || goto :error
+%NUGET% restore -PackagesDirectory ../packages || goto :error
+cd ..
 
 @call build_vs2015.bat DistribTest.sln %MSBUILD_EXTRA_ARGS% || goto :error
 
diff --git a/test/distrib/csharp/run_distrib_test.sh b/test/distrib/csharp/run_distrib_test.sh
index 64e98d8009..0a77c1af44 100755
--- a/test/distrib/csharp/run_distrib_test.sh
+++ b/test/distrib/csharp/run_distrib_test.sh
@@ -32,7 +32,7 @@ set -ex
 
 cd $(dirname $0)
 
-unzip -o "$EXTERNAL_GIT_ROOT/input_artifacts/csharp_nugets.zip" -d TestNugetFeed
+unzip -o "$EXTERNAL_GIT_ROOT/input_artifacts/csharp_nugets_dotnetcli.zip" -d TestNugetFeed
 
 ./update_version.sh auto
 
diff --git a/test/distrib/csharp/run_distrib_test_dotnetcli.sh b/test/distrib/csharp/run_distrib_test_dotnetcli.sh
index f7080be9ad..493c5049fb 100755
--- a/test/distrib/csharp/run_distrib_test_dotnetcli.sh
+++ b/test/distrib/csharp/run_distrib_test_dotnetcli.sh
@@ -32,7 +32,7 @@ set -ex
 
 cd $(dirname $0)
 
-unzip -o "$EXTERNAL_GIT_ROOT/input_artifacts/csharp_nugets.zip" -d TestNugetFeed
+unzip -o "$EXTERNAL_GIT_ROOT/input_artifacts/csharp_nugets_dotnetcli.zip" -d TestNugetFeed
 
 ./update_version.sh auto
author	Craig Tiller <ctiller@google.com>	2016-09-23 09:52:37 -0700
committer	Craig Tiller <ctiller@google.com>	2016-09-23 09:52:37 -0700
commit	c5423beeb89982a2c9f59a926e5807555122a1ca (patch)
tree	dd6a7fb08e4d3be123bf13025c2ae3b43f817436 /test
parent	3f665f5fefb4ec7687f44d8a60eb660bee1f3e6c (diff)
parent	687a0e641057d42394e1574629df6368cc6e5322 (diff)