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-rw-r--r--CMakeLists.txt10
-rw-r--r--absl/debugging/internal/stacktrace_x86-inl.inc25
-rw-r--r--absl/status/BUILD.bazel1
-rw-r--r--absl/status/CMakeLists.txt1
-rw-r--r--absl/status/status.cc2
-rw-r--r--absl/status/status.h3
-rw-r--r--absl/strings/internal/cord_internal.h2
7 files changed, 30 insertions, 14 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7c8bfff4..d59c2ade 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -160,22 +160,16 @@ if(BUILD_TESTING)
if (NOT ABSL_FIND_GOOGLETEST)
# When Google Test is included directly rather than through find_package, the aliases are missing.
- add_library(GTest::gtest_main ALIAS gtest_main)
add_library(GTest::gtest ALIAS gtest)
+ add_library(GTest::gtest_main ALIAS gtest_main)
add_library(GTest::gmock ALIAS gmock)
+ add_library(GTest::gmock_main ALIAS gmock_main)
endif()
check_target(GTest::gtest)
check_target(GTest::gtest_main)
check_target(GTest::gmock)
check_target(GTest::gmock_main)
-
- list(APPEND ABSL_TEST_COMMON_LIBRARIES
- GTest::gtest_main
- GTest::gtest
- GTest::gmock
- ${CMAKE_THREAD_LIBS_INIT}
- )
endif()
add_subdirectory(absl)
diff --git a/absl/debugging/internal/stacktrace_x86-inl.inc b/absl/debugging/internal/stacktrace_x86-inl.inc
index 70f79dfc..847a5473 100644
--- a/absl/debugging/internal/stacktrace_x86-inl.inc
+++ b/absl/debugging/internal/stacktrace_x86-inl.inc
@@ -27,6 +27,7 @@
#include <cassert>
#include <cstdint>
+#include <limits>
#include "absl/base/macros.h"
#include "absl/base/port.h"
@@ -158,7 +159,8 @@ static uintptr_t GetFP(const void *vuc) {
template <bool STRICT_UNWINDING, bool WITH_CONTEXT>
ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS // May read random elements from stack.
ABSL_ATTRIBUTE_NO_SANITIZE_MEMORY // May read random elements from stack.
-static void **NextStackFrame(void **old_fp, const void *uc) {
+static void **NextStackFrame(void **old_fp, const void *uc,
+ size_t stack_low, size_t stack_high) {
void **new_fp = (void **)*old_fp;
#if defined(__linux__) && defined(__i386__)
@@ -257,6 +259,18 @@ static void **NextStackFrame(void **old_fp, const void *uc) {
// at a greater address that the current one.
if (new_fp_u <= old_fp_u) return nullptr;
if (new_fp_u - old_fp_u > kMaxFrameBytes) return nullptr;
+
+ if (stack_low < old_fp_u && old_fp_u <= stack_high) {
+ // Old BP was in the expected stack region...
+ if (!(stack_low < new_fp_u && new_fp_u <= stack_high)) {
+ // ... but new BP is outside of expected stack region.
+ // It is most likely bogus.
+ return nullptr;
+ }
+ } else {
+ // We may be here if we are executing in a co-routine with a
+ // separate stack. We can't do safety checks in this case.
+ }
} else {
if (new_fp == nullptr) return nullptr; // skip AddressIsReadable() below
// In the non-strict mode, allow discontiguous stack frames.
@@ -296,13 +310,17 @@ static int UnwindImpl(void **result, int *sizes, int max_depth, int skip_count,
int n = 0;
void **fp = reinterpret_cast<void **>(__builtin_frame_address(0));
+ size_t stack_low = getpagesize(); // Assume that the first page is not stack.
+ size_t stack_high = std::numeric_limits<size_t>::max() - sizeof(void *);
+
while (fp && n < max_depth) {
if (*(fp + 1) == reinterpret_cast<void *>(0)) {
// In 64-bit code, we often see a frame that
// points to itself and has a return address of 0.
break;
}
- void **next_fp = NextStackFrame<!IS_STACK_FRAMES, IS_WITH_CONTEXT>(fp, ucp);
+ void **next_fp = NextStackFrame<!IS_STACK_FRAMES, IS_WITH_CONTEXT>(
+ fp, ucp, stack_low, stack_high);
if (skip_count > 0) {
skip_count--;
} else {
@@ -325,7 +343,8 @@ static int UnwindImpl(void **result, int *sizes, int max_depth, int skip_count,
const int kMaxUnwind = 1000;
int j = 0;
for (; fp != nullptr && j < kMaxUnwind; j++) {
- fp = NextStackFrame<!IS_STACK_FRAMES, IS_WITH_CONTEXT>(fp, ucp);
+ fp = NextStackFrame<!IS_STACK_FRAMES, IS_WITH_CONTEXT>(fp, ucp, stack_low,
+ stack_high);
}
*min_dropped_frames = j;
}
diff --git a/absl/status/BUILD.bazel b/absl/status/BUILD.bazel
index 0e5b3508..bae5156f 100644
--- a/absl/status/BUILD.bazel
+++ b/absl/status/BUILD.bazel
@@ -47,6 +47,7 @@ cc_library(
"//absl/container:inlined_vector",
"//absl/debugging:stacktrace",
"//absl/debugging:symbolize",
+ "//absl/functional:function_ref",
"//absl/strings",
"//absl/strings:cord",
"//absl/strings:str_format",
diff --git a/absl/status/CMakeLists.txt b/absl/status/CMakeLists.txt
index 43898564..f107c85b 100644
--- a/absl/status/CMakeLists.txt
+++ b/absl/status/CMakeLists.txt
@@ -29,6 +29,7 @@ absl_cc_library(
absl::atomic_hook
absl::config
absl::core_headers
+ absl::function_ref
absl::raw_logging_internal
absl::inlined_vector
absl::stacktrace
diff --git a/absl/status/status.cc b/absl/status/status.cc
index 53c198e1..bcf3413e 100644
--- a/absl/status/status.cc
+++ b/absl/status/status.cc
@@ -161,7 +161,7 @@ bool Status::ErasePayload(absl::string_view type_url) {
}
void Status::ForEachPayload(
- const std::function<void(absl::string_view, const absl::Cord&)>& visitor)
+ absl::FunctionRef<void(absl::string_view, const absl::Cord&)> visitor)
const {
if (auto* payloads = GetPayloads()) {
bool in_reverse =
diff --git a/absl/status/status.h b/absl/status/status.h
index 9bb45382..39071e5f 100644
--- a/absl/status/status.h
+++ b/absl/status/status.h
@@ -55,6 +55,7 @@
#include <string>
#include "absl/container/inlined_vector.h"
+#include "absl/functional/function_ref.h"
#include "absl/status/internal/status_internal.h"
#include "absl/strings/cord.h"
#include "absl/strings/string_view.h"
@@ -590,7 +591,7 @@ class Status final {
// NOTE: Any mutation on the same 'absl::Status' object during visitation is
// forbidden and could result in undefined behavior.
void ForEachPayload(
- const std::function<void(absl::string_view, const absl::Cord&)>& visitor)
+ absl::FunctionRef<void(absl::string_view, const absl::Cord&)> visitor)
const;
private:
diff --git a/absl/strings/internal/cord_internal.h b/absl/strings/internal/cord_internal.h
index 7172b147..0300ac40 100644
--- a/absl/strings/internal/cord_internal.h
+++ b/absl/strings/internal/cord_internal.h
@@ -37,7 +37,7 @@ class CordzInfo;
// Default feature enable states for cord ring buffers
enum CordFeatureDefaults {
- kCordEnableBtreeDefault = false,
+ kCordEnableBtreeDefault = true,
kCordEnableRingBufferDefault = false,
kCordShallowSubcordsDefault = false
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 09:06:18 +0000