llvmbot
commented
3 months ago @llvm/issue-subscribers-bug
Author: Paul Kirth (ilovepi)
As part of investigating #92972 I ran it under TSAN, and it found several issues.
Here's a copy of the output
[clang-doc.tsan.log](https://github.com/llvm/llvm-project/files/15438304/clang-doc.tsan.log)
```
Collecting infos...
Reducing 42001 infos...
==================
WARNING: ThreadSanitizer: data race (pid=240066)
Write of size 8 at 0x720c00045e70 by main thread:
#0 operator delete(void*) ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_new_delete.cpp:126:3 (clang-doc+0xe17c18) (BuildId: f5955df196676c33)
#1 __libcpp_operator_delete<void *> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/new:279:3 (clang-doc+0xe22ee9) (BuildId: f5955df196676c33)
#2 __do_deallocate_handle_size<> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/new:301:10 (clang-doc+0xe22ee9)
#3 __libcpp_deallocate /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/new:316:12 (clang-doc+0xe22ee9)
#4 __deallocate_bytes /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__memory/builtin_new_allocator.h:50:5 (clang-doc+0xe22ee9)
#5 __destroy_and_delete /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:225:5 (clang-doc+0xe22ee9)
#6 void std::__2::__function::__policy::__large_destroy[abi:nn190000]<std::__2::__function::__default_alloc_func<main::$_1, void ()>>(void*) /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:542:5 (clang-doc+0xe22ee9)
#7 ~__policy_func /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:694:7 (clang-doc+0xe21aec) (BuildId: f5955df196676c33)
#8 ~function /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:981:43 (clang-doc+0xe21aec)
#9 ~__tuple_leaf /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:295:7 (clang-doc+0xe21aec)
#10 ~tuple /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:523:28 (clang-doc+0xe21aec)
#11 ~__async_func /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:1816:22 (clang-doc+0xe21aec)
#12 ~__deferred_assoc_state /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:760:7 (clang-doc+0xe21aec)
#13 std::__2::__deferred_assoc_state<void, std::__2::__async_func<std::__2::function<void ()>>>::~__deferred_assoc_state() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:760:7 (clang-doc+0xe21aec)
#14 main /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:5 (clang-doc+0xe1c52c) (BuildId: f5955df196676c33)
Previous read of size 8 at 0x720c00045e70 by thread T142 (mutexes: write M0):
#0 operator() /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:274:19 (clang-doc+0xe22593) (BuildId: f5955df196676c33)
#1 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe22593)
#2 __call<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:225:5 (clang-doc+0xe22593)
#3 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:211:12 (clang-doc+0xe22593)
#4 void std::__2::__function::__policy_invoker<void ()>::__call_impl[abi:nn190000]<std::__2::__function::__default_alloc_func<main::$_1, void ()>>(std::__2::__function::__policy_storage const*) /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:611:12 (clang-doc+0xe22593)
#5 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:717:12 (clang-doc+0xe21b6b) (BuildId: f5955df196676c33)
#6 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:990:10 (clang-doc+0xe21b6b)
#7 __invoke<std::__2::function<void ()> > /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe21b6b)
#8 __execute<> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:1835:12 (clang-doc+0xe21b6b)
#9 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:1829:12 (clang-doc+0xe21b6b)
#10 std::__2::__deferred_assoc_state<void, std::__2::__async_func<std::__2::function<void ()>>>::__execute() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:811:5 (clang-doc+0xe21b6b)
#11 wait /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:2019:55 (clang-doc+0xe21bac) (BuildId: f5955df196676c33)
#12 operator() /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:38 (clang-doc+0xe21bac)
#13 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:18) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe21bac)
#14 __call<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:18) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:225:5 (clang-doc+0xe21bac)
#15 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:211:12 (clang-doc+0xe21bac)
#16 void std::__2::__function::__policy_invoker<void ()>::__call_impl[abi:nn190000]<std::__2::__function::__default_alloc_func<std::__2::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*)::'lambda'(), void ()>>(std::__2::__function::__policy_storage const*) /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:611:12 (clang-doc+0xe21bac)
#17 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:717:12 (clang-doc+0xe819eb) (BuildId: f5955df196676c33)
#18 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:990:10 (clang-doc+0xe819eb)
#19 llvm::StdThreadPool::processTasks(llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:100:5 (clang-doc+0xe819eb)
#20 operator() /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:48:7 (clang-doc+0xe83e62) (BuildId: f5955df196676c33)
#21 operator()<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:43:11 (clang-doc+0xe83e62)
#22 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe83e62)
#23 __apply_tuple_impl<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> &, 0UL> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:1360:5 (clang-doc+0xe83e62)
#24 apply<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:1364:5 (clang-doc+0xe83e62)
#25 GenericThreadProxy<std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> > /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:41:5 (clang-doc+0xe83e62)
#26 void* llvm::thread::ThreadProxy<std::__2::tuple<llvm::StdThreadPool::grow(int)::$_0>>(void*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:55:5 (clang-doc+0xe83e62)
Mutex M0 (0x7ffff2d57458) created at:
#0 pthread_mutex_init ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1316:3 (clang-doc+0xd984d3) (BuildId: f5955df196676c33)
#1 std::__2::__libcpp_recursive_mutex_init[abi:ne190000](pthread_mutex_t*) /b/s/w/ir/x/w/llvm_build/tools/clang/stage2-bins/include/c++/v1/__thread/support/pthread.h:62:10 (clang-doc+0x3557dcb) (BuildId: f5955df196676c33)
#2 std::__2::recursive_mutex::recursive_mutex() ../../../../../../llvm-llvm-project/libcxx/src/mutex.cpp:46:12 (clang-doc+0x3557dcb)
#3 __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 (libc.so.6+0x276c9) (BuildId: b830dcb9c6f0ee1f8679364e0f99ce35db953847)
Thread T142 'llvm-worker-45' (tid=344839, running) created by main thread at:
#0 pthread_create ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1023:3 (clang-doc+0xd96b21) (BuildId: f5955df196676c33)
#1 llvm::llvm_execute_on_thread_impl(void* (*)(void*), void*, std::__2::optional<unsigned int>) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/Unix/Threading.inc:85:17 (clang-doc+0xeed185) (BuildId: f5955df196676c33)
#2 thread<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:131:12 (clang-doc+0xe80d58) (BuildId: f5955df196676c33)
#3 thread<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:78:9 (clang-doc+0xe80d58)
#4 construct<llvm::thread, (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__memory/allocator.h:166:24 (clang-doc+0xe80d58)
#5 construct<llvm::thread, (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26), 0> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__memory/allocator_traits.h:319:9 (clang-doc+0xe80d58)
#6 __construct_one_at_end<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/vector:896:5 (clang-doc+0xe80d58)
#7 emplace_back<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/vector:1519:5 (clang-doc+0xe80d58)
#8 llvm::StdThreadPool::grow(int) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:13 (clang-doc+0xe80d58)
#9 llvm::StdThreadPool::asyncEnqueue(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:178:5 (clang-doc+0xe82a81) (BuildId: f5955df196676c33)
#10 std::__2::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:5 (clang-doc+0xe21981) (BuildId: f5955df196676c33)
#11 async<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16)> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:96:12 (clang-doc+0xe1c4fa) (BuildId: f5955df196676c33)
#12 main /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:10 (clang-doc+0xe1c4fa)
SUMMARY: ThreadSanitizer: data race /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:5 in main
==================
==================
WARNING: ThreadSanitizer: data race (pid=240066)
Write of size 8 at 0x722800405e60 by main thread:
#0 pthread_cond_destroy ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1304:3 (clang-doc+0xd98330) (BuildId: f5955df196676c33)
#1 ~__assoc_sub_state /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:507:33 (clang-doc+0xe21b0e) (BuildId: f5955df196676c33)
#2 ~__deferred_assoc_state /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:760:7 (clang-doc+0xe21b0e)
#3 std::__2::__deferred_assoc_state<void, std::__2::__async_func<std::__2::function<void ()>>>::~__deferred_assoc_state() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:760:7 (clang-doc+0xe21b0e)
#4 main /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:5 (clang-doc+0xe1c52c) (BuildId: f5955df196676c33)
Previous read of size 8 at 0x722800405e60 by thread T142 (mutexes: write M0):
#0 pthread_cond_broadcast ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1297:3 (clang-doc+0xd9818f) (BuildId: f5955df196676c33)
#1 std::__2::__assoc_sub_state::set_value() ../../../../../../llvm-llvm-project/libcxx/src/future.cpp:67:9 (clang-doc+0x3557abb) (BuildId: f5955df196676c33)
#2 wait /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:2019:55 (clang-doc+0xe21bac) (BuildId: f5955df196676c33)
#3 operator() /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:38 (clang-doc+0xe21bac)
#4 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:18) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe21bac)
#5 __call<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:18) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:225:5 (clang-doc+0xe21bac)
#6 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:211:12 (clang-doc+0xe21bac)
#7 void std::__2::__function::__policy_invoker<void ()>::__call_impl[abi:nn190000]<std::__2::__function::__default_alloc_func<std::__2::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*)::'lambda'(), void ()>>(std::__2::__function::__policy_storage const*) /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:611:12 (clang-doc+0xe21bac)
#8 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:717:12 (clang-doc+0xe819eb) (BuildId: f5955df196676c33)
#9 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:990:10 (clang-doc+0xe819eb)
#10 llvm::StdThreadPool::processTasks(llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:100:5 (clang-doc+0xe819eb)
#11 operator() /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:48:7 (clang-doc+0xe83e62) (BuildId: f5955df196676c33)
#12 operator()<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:43:11 (clang-doc+0xe83e62)
#13 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe83e62)
#14 __apply_tuple_impl<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> &, 0UL> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:1360:5 (clang-doc+0xe83e62)
#15 apply<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:1364:5 (clang-doc+0xe83e62)
#16 GenericThreadProxy<std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> > /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:41:5 (clang-doc+0xe83e62)
#17 void* llvm::thread::ThreadProxy<std::__2::tuple<llvm::StdThreadPool::grow(int)::$_0>>(void*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:55:5 (clang-doc+0xe83e62)
Location is heap block of size 152 at 0x722800405e20 allocated by main thread:
#0 operator new(unsigned long) ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_new_delete.cpp:64:3 (clang-doc+0xe17482) (BuildId: f5955df196676c33)
#1 __make_deferred_assoc_state<void, std::__2::__async_func<std::__2::function<void ()> > > /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:1801:7 (clang-doc+0xe217ef) (BuildId: f5955df196676c33)
#2 async<std::__2::function<void ()> > /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:1863:12 (clang-doc+0xe217ef)
#3 std::__2::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:113:19 (clang-doc+0xe217ef)
#4 async<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16)> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:96:12 (clang-doc+0xe1c4fa) (BuildId: f5955df196676c33)
#5 main /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:10 (clang-doc+0xe1c4fa)
Mutex M0 (0x722800405e38) created at:
#0 pthread_mutex_lock ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1342:3 (clang-doc+0xd9880e) (BuildId: f5955df196676c33)
#1 std::__2::__libcpp_mutex_lock[abi:ne190000](pthread_mutex_t*) /b/s/w/ir/x/w/llvm_build/tools/clang/stage2-bins/include/c++/v1/__thread/support/pthread.h:95:10 (clang-doc+0x3557d65) (BuildId: f5955df196676c33)
#2 std::__2::mutex::lock() ../../../../../../llvm-llvm-project/libcxx/src/mutex.cpp:29:12 (clang-doc+0x3557d65)
#3 async<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16)> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:96:12 (clang-doc+0xe1c4fa) (BuildId: f5955df196676c33)
#4 main /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:10 (clang-doc+0xe1c4fa)
Thread T142 'llvm-worker-45' (tid=344839, running) created by main thread at:
#0 pthread_create ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1023:3 (clang-doc+0xd96b21) (BuildId: f5955df196676c33)
#1 llvm::llvm_execute_on_thread_impl(void* (*)(void*), void*, std::__2::optional<unsigned int>) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/Unix/Threading.inc:85:17 (clang-doc+0xeed185) (BuildId: f5955df196676c33)
#2 thread<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:131:12 (clang-doc+0xe80d58) (BuildId: f5955df196676c33)
#3 thread<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:78:9 (clang-doc+0xe80d58)
#4 construct<llvm::thread, (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__memory/allocator.h:166:24 (clang-doc+0xe80d58)
#5 construct<llvm::thread, (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26), 0> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__memory/allocator_traits.h:319:9 (clang-doc+0xe80d58)
#6 __construct_one_at_end<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/vector:896:5 (clang-doc+0xe80d58)
#7 emplace_back<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/vector:1519:5 (clang-doc+0xe80d58)
#8 llvm::StdThreadPool::grow(int) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:13 (clang-doc+0xe80d58)
#9 llvm::StdThreadPool::asyncEnqueue(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:178:5 (clang-doc+0xe82a81) (BuildId: f5955df196676c33)
#10 std::__2::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:5 (clang-doc+0xe21981) (BuildId: f5955df196676c33)
#11 async<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16)> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:96:12 (clang-doc+0xe1c4fa) (BuildId: f5955df196676c33)
#12 main /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:10 (clang-doc+0xe1c4fa)
SUMMARY: ThreadSanitizer: data race /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:5 in main
==================
==================
WARNING: ThreadSanitizer: data race (pid=240066)
Write of size 8 at 0x722800405e38 by main thread:
#0 operator delete(void*) ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_new_delete.cpp:126:3 (clang-doc+0xe17c18) (BuildId: f5955df196676c33)
#1 std::__2::__deferred_assoc_state<void, std::__2::__async_func<std::__2::function<void ()>>>::~__deferred_assoc_state() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:760:7 (clang-doc+0xe21b27) (BuildId: f5955df196676c33)
#2 main /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:5 (clang-doc+0xe1c52c) (BuildId: f5955df196676c33)
Previous atomic read of size 1 at 0x722800405e38 by thread T142:
#0 pthread_mutex_lock ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1342:3 (clang-doc+0xd9880e) (BuildId: f5955df196676c33)
#1 std::__2::__libcpp_mutex_lock[abi:ne190000](pthread_mutex_t*) /b/s/w/ir/x/w/llvm_build/tools/clang/stage2-bins/include/c++/v1/__thread/support/pthread.h:95:10 (clang-doc+0x3557d65) (BuildId: f5955df196676c33)
#2 std::__2::mutex::lock() ../../../../../../llvm-llvm-project/libcxx/src/mutex.cpp:29:12 (clang-doc+0x3557d65)
#3 wait /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:2019:55 (clang-doc+0xe21bac) (BuildId: f5955df196676c33)
#4 operator() /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:38 (clang-doc+0xe21bac)
#5 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:18) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe21bac)
#6 __call<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:18) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:225:5 (clang-doc+0xe21bac)
#7 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:211:12 (clang-doc+0xe21bac)
#8 void std::__2::__function::__policy_invoker<void ()>::__call_impl[abi:nn190000]<std::__2::__function::__default_alloc_func<std::__2::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*)::'lambda'(), void ()>>(std::__2::__function::__policy_storage const*) /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:611:12 (clang-doc+0xe21bac)
#9 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:717:12 (clang-doc+0xe819eb) (BuildId: f5955df196676c33)
#10 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:990:10 (clang-doc+0xe819eb)
#11 llvm::StdThreadPool::processTasks(llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:100:5 (clang-doc+0xe819eb)
#12 operator() /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:48:7 (clang-doc+0xe83e62) (BuildId: f5955df196676c33)
#13 operator()<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:43:11 (clang-doc+0xe83e62)
#14 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe83e62)
#15 __apply_tuple_impl<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> &, 0UL> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:1360:5 (clang-doc+0xe83e62)
#16 apply<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:1364:5 (clang-doc+0xe83e62)
#17 GenericThreadProxy<std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> > /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:41:5 (clang-doc+0xe83e62)
#18 void* llvm::thread::ThreadProxy<std::__2::tuple<llvm::StdThreadPool::grow(int)::$_0>>(void*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:55:5 (clang-doc+0xe83e62)
Thread T142 'llvm-worker-45' (tid=344839, running) created by main thread at:
#0 pthread_create ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1023:3 (clang-doc+0xd96b21) (BuildId: f5955df196676c33)
#1 llvm::llvm_execute_on_thread_impl(void* (*)(void*), void*, std::__2::optional<unsigned int>) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/Unix/Threading.inc:85:17 (clang-doc+0xeed185) (BuildId: f5955df196676c33)
#2 thread<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:131:12 (clang-doc+0xe80d58) (BuildId: f5955df196676c33)
#3 thread<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:78:9 (clang-doc+0xe80d58)
#4 construct<llvm::thread, (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__memory/allocator.h:166:24 (clang-doc+0xe80d58)
#5 construct<llvm::thread, (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26), 0> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__memory/allocator_traits.h:319:9 (clang-doc+0xe80d58)
#6 __construct_one_at_end<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/vector:896:5 (clang-doc+0xe80d58)
#7 emplace_back<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/vector:1519:5 (clang-doc+0xe80d58)
#8 llvm::StdThreadPool::grow(int) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:13 (clang-doc+0xe80d58)
#9 llvm::StdThreadPool::asyncEnqueue(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:178:5 (clang-doc+0xe82a81) (BuildId: f5955df196676c33)
#10 std::__2::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:5 (clang-doc+0xe21981) (BuildId: f5955df196676c33)
#11 async<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16)> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:96:12 (clang-doc+0xe1c4fa) (BuildId: f5955df196676c33)
#12 main /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:10 (clang-doc+0xe1c4fa)
SUMMARY: ThreadSanitizer: data race /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:5 in main
==================
ThreadSanitizer: Out of memory. The process has exhausted 16384MB for size class 6144.
==240066==ERROR: ThreadSanitizer: out of memory: allocator is trying to allocate 0x1588 bytes
#0 operator new(unsigned long) ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_new_delete.cpp:64:3 (clang-doc+0xe17482) (BuildId: f5955df196676c33)
#1 make_unique<clang::doc::RecordInfo> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__memory/unique_ptr.h:620:26 (clang-doc+0x192050c) (BuildId: f5955df196676c33)
#2 llvm::Expected<std::__2::unique_ptr<clang::doc::Info, std::__2::default_delete<clang::doc::Info>>> clang::doc::ClangDocBitcodeReader::createInfo<clang::doc::RecordInfo>(unsigned int) /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/BitcodeReader.cpp:897:29 (clang-doc+0x192050c)
#3 clang::doc::ClangDocBitcodeReader::readBlockToInfo(unsigned int) /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/BitcodeReader.cpp:909:12 (clang-doc+0x192033f) (BuildId: f5955df196676c33)
#4 clang::doc::ClangDocBitcodeReader::readBitcode() /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/BitcodeReader.cpp:955:24 (clang-doc+0x1921538) (BuildId: f5955df196676c33)
#5 operator() /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:249:33 (clang-doc+0xe21d9f) (BuildId: f5955df196676c33)
#6 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe21d9f)
#7 __call<(lambda at /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp:243:16) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:225:5 (clang-doc+0xe21d9f)
#8 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:211:12 (clang-doc+0xe21d9f)
#9 void std::__2::__function::__policy_invoker<void ()>::__call_impl[abi:nn190000]<std::__2::__function::__default_alloc_func<main::$_1, void ()>>(std::__2::__function::__policy_storage const*) /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:611:12 (clang-doc+0xe21d9f)
#10 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:717:12 (clang-doc+0xe21b6b) (BuildId: f5955df196676c33)
#11 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:990:10 (clang-doc+0xe21b6b)
#12 __invoke<std::__2::function<void ()> > /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe21b6b)
#13 __execute<> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:1835:12 (clang-doc+0xe21b6b)
#14 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:1829:12 (clang-doc+0xe21b6b)
#15 std::__2::__deferred_assoc_state<void, std::__2::__async_func<std::__2::function<void ()>>>::__execute() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:811:5 (clang-doc+0xe21b6b)
#16 wait /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/future:2019:55 (clang-doc+0xe21bac) (BuildId: f5955df196676c33)
#17 operator() /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:38 (clang-doc+0xe21bac)
#18 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:18) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe21bac)
#19 __call<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/ThreadPool.h:114:18) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:225:5 (clang-doc+0xe21bac)
#20 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:211:12 (clang-doc+0xe21bac)
#21 void std::__2::__function::__policy_invoker<void ()>::__call_impl[abi:nn190000]<std::__2::__function::__default_alloc_func<std::__2::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::__2::function<void ()>, llvm::ThreadPoolTaskGroup*)::'lambda'(), void ()>>(std::__2::__function::__policy_storage const*) /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:611:12 (clang-doc+0xe21bac)
#22 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:717:12 (clang-doc+0xe819eb) (BuildId: f5955df196676c33)
#23 operator() /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__functional/function.h:990:10 (clang-doc+0xe819eb)
#24 llvm::StdThreadPool::processTasks(llvm::ThreadPoolTaskGroup*) /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:100:5 (clang-doc+0xe819eb)
#25 operator() /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:48:7 (clang-doc+0xe83e62) (BuildId: f5955df196676c33)
#26 operator()<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:43:11 (clang-doc+0xe83e62)
#27 __invoke<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), (lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26) &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/__type_traits/invoke.h:150:25 (clang-doc+0xe83e62)
#28 __apply_tuple_impl<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> &, 0UL> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:1360:5 (clang-doc+0xe83e62)
#29 apply<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:42:9), std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> &> /usr/local/google/home/paulkirth/fuchsia/prebuilt/third_party/clang/linux-x64/bin/../include/c++/v1/tuple:1364:5 (clang-doc+0xe83e62)
#30 GenericThreadProxy<std::__2::tuple<(lambda at /usr/local/google/home/paulkirth/llvm-project/llvm/lib/Support/ThreadPool.cpp:45:26)> > /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:41:5 (clang-doc+0xe83e62)
#31 void* llvm::thread::ThreadProxy<std::__2::tuple<llvm::StdThreadPool::grow(int)::$_0>>(void*) /usr/local/google/home/paulkirth/llvm-project/llvm/include/llvm/Support/thread.h:55:5 (clang-doc+0xe83e62)
#32 __tsan_thread_start_func ../../../../../../llvm-llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1013:15 (clang-doc+0xd96a67) (BuildId: f5955df196676c33)
==240066==HINT: if you don't care about these errors you may set allocator_may_return_null=1
SUMMARY: ThreadSanitizer: out-of-memory /usr/local/google/home/paulkirth/llvm-project/clang-tools-extra/clang-doc/BitcodeReader.cpp:897:29 in llvm::Expected<std::__2::unique_ptr<clang::doc::Info, std::__2::default_delete<clang::doc::Info>>> clang::doc::ClangDocBitcodeReader::createInfo<clang::doc::RecordInfo>(unsigned int)
==240066==ERROR: ThreadSanitizer: out of memory: allocator is trying to allocate 0x1588 bytes
```
I haven't run this down yet, but it seems like we're probably missing a mutex somewhere in Clang-Doc's main loop from a cursory glance.
CC: @petrhosek @PeterChou1
ilovepi
As part of investigating #92972 I ran
clang-docunder TSAN, and it found several issues.Here's a copy of the output clang-doc.tsan.log
I haven't run this down yet, but it seems like we're probably missing a mutex somewhere in Clang-Doc's main loop from a cursory glance.
CC: @petrhosek @PeterChou1