Merge github.com:grpc/grpc into uberpoll

4 files changed, 8 insertions, 5 deletions

diff --git a/src/boringssl/gen_build_yaml.py b/src/boringssl/gen_build_yaml.py
index c53beb0da5..d01c2b4ec5 100755
--- a/src/boringssl/gen_build_yaml.py
+++ b/src/boringssl/gen_build_yaml.py
@@ -138,7 +138,7 @@ class Grpc(object):
           {
             'name': 'boringssl_%s' % os.path.basename(test[0]),
             'args': [map_testarg(arg) for arg in test[1:]],
-            'exclude_configs': ['asan'],
+            'exclude_configs': ['asan', 'ubsan'],
             'ci_platforms': ['linux', 'mac', 'posix', 'windows'],
             'platforms': ['linux', 'mac', 'posix', 'windows'],
             'flaky': False,
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 6930cc99d1..0ff1e0b745 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -2554,7 +2554,7 @@ static void incoming_byte_stream_update_flow_control(grpc_exec_ctx *exec_ctx,
                                    add_max_recv_bytes);
     if ((int64_t)s->incoming_window_delta + (int64_t)initial_window_size -
             (int64_t)s->announce_window >
-        2 * (int64_t)initial_window_size) {
+        (int64_t)initial_window_size / 2) {
       write_type = GRPC_CHTTP2_STREAM_WRITE_PIGGYBACK;
     }
     grpc_chttp2_become_writable(exec_ctx, t, s, write_type,
diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c
index d49b26e131..1a676e2259 100644
--- a/src/core/ext/transport/chttp2/transport/parsing.c
+++ b/src/core/ext/transport/chttp2/transport/parsing.c
@@ -418,7 +418,10 @@ static grpc_error *update_incoming_window(grpc_exec_ctx *exec_ctx,
 
     GRPC_CHTTP2_FLOW_DEBIT_STREAM_INCOMING_WINDOW_DELTA("parse", t, s,
                                                         incoming_frame_size);
-    if ((int64_t)s->incoming_window_delta - (int64_t)s->announce_window <= 0) {
+    if ((int64_t)s->incoming_window_delta - (int64_t)s->announce_window <=
+        -(int64_t)t->settings[GRPC_SENT_SETTINGS]
+                             [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE] /
+            2) {
       grpc_chttp2_become_writable(exec_ctx, t, s,
                                   GRPC_CHTTP2_STREAM_WRITE_INITIATE_UNCOVERED,
                                   "window-update-required");
diff --git a/src/python/grpcio/commands.py b/src/python/grpcio/commands.py
index 4f072809c4..f4ccb1ab94 100644
--- a/src/python/grpcio/commands.py
+++ b/src/python/grpcio/commands.py
@@ -284,9 +284,9 @@ class BuildExt(build_ext.build_ext):
                 stderr=subprocess.PIPE)
             make_out, make_err = make_process.communicate()
             if make_out and make_process.returncode != 0:
-                sys.stdout.write(make_out + '\n')
+                sys.stdout.write(str(make_out) + '\n')
             if make_err:
-                sys.stderr.write(make_err + '\n')
+                sys.stderr.write(str(make_err) + '\n')
             if make_process.returncode != 0:
                 raise Exception("make command failed!")