Warning:  Unused argument: --single-process-tests
Note: Google Test filter = WriteBufferOOMDesync.*
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from WriteBufferOOMDesync
[ RUN      ] WriteBufferOOMDesync.FreeCommandsTypeConfusion
[POC] CommandAllocator stream is missing the kAdditionalData marker for
[POC] the size=0 WriteBuffer. Calling FreeCommands(); expect type
[POC] confusion → Ref<BufferBase>::Release() on forged pointer 0x797c503f09c0 ...
=================================================================
==1397==ERROR: AddressSanitizer: heap-use-after-free on address 0x797c503f09c8 at pc 0x59bc1abf4bc0 bp 0x7ffd13acea20 sp 0x7ffd13acea18
WRITE of size 8 at 0x797c503f09c8 thread T0
    #0 0x59bc1abf4bbf in dawn::RefCounted::Release() third_party/libc++/src/include/__atomic/support/c11.h:207:10
    #1 0x59bc1926796e in dawn::native::FreeCommands(dawn::native::CommandIterator*) third_party/dawn/src/dawn/common/Ref.h:50:44
    #2 0x59bc188138bf in dawn::native::(anonymous namespace)::WriteBufferOOMDesync_FreeCommandsTypeConfusion_Test::TestBody() third_party/dawn/src/dawn/tests/unittests/native/WriteBufferOOMDesyncTests.cpp:207:5
    #3 0x59bc1a076ebb in testing::Test::Run() third_party/googletest/src/googletest/src/gtest.cc
    #4 0x59bc1a079b17 in testing::TestInfo::Run() third_party/googletest/src/googletest/src/gtest.cc:2892:11
    #5 0x59bc1a07bc13 in testing::TestSuite::Run() third_party/googletest/src/googletest/src/gtest.cc:3070:30
    #6 0x59bc1a0ab05a in testing::internal::UnitTestImpl::RunAllTests() third_party/googletest/src/googletest/src/gtest.cc:6062:44
    #7 0x59bc1a0a9b2e in testing::UnitTest::Run() third_party/googletest/src/googletest/src/gtest.cc
    #8 0x59bc1b17dbbc in base::TestSuite::Run() base/test/test_suite.cc:440:16
    #9 0x59bc198cd326 in (anonymous namespace)::RunHelper(base::TestSuite*) gpu/dawn_unittests_main.cc:17:22
    #10 0x59bc198cd53e in base::internal::Invoker<base::internal::FunctorTraits<int (*&&)(base::TestSuite*), base::TestSuite*>, base::internal::BindState<false, true, false, int (*)(base::TestSuite*), base::internal::UnretainedWrapper<base::TestSuite, base::unretained_traits::MayNotDangle, (partition_alloc::internal::RawPtrTraits)0>>, int ()>::RunOnce(base::internal::BindStateBase*) base/functional/bind_internal.h:673:12
    #11 0x59bc1b3f849b in base::(anonymous namespace)::LaunchUnitTestsInternal(base::OnceCallback<int ()>, unsigned long, int, unsigned long, bool, base::RepeatingCallback<void ()>, base::OnceCallback<void ()>) base/functional/callback.h:155:12
    #12 0x59bc1b3f8df4 in base::LaunchUnitTestsSerially(int, char**, base::OnceCallback<int ()>) base/test/launcher/unit_test_launcher.cc:347:10
    #13 0x59bc198cd15a in main gpu/dawn_unittests_main.cc:31:12
    #14 0x7cbc51393249  (/lib/x86_64-linux-gnu/libc.so.6+0x27249) (BuildId: 6196744a316dbd57c0fd8968df1680aac482cec4)

0x797c503f09c8 is located 8 bytes inside of 128-byte region [0x797c503f09c0,0x797c503f0a40)
freed by thread T0 here:
    #0 0x59bc17b0154a in free (/chromium/chromium/src/out/asan/dawn_unittests+0x1fe054a) (BuildId: aa7efb3aeee5e843)
    #1 0x59bc18811cfd in dawn::native::(anonymous namespace)::WriteBufferOOMDesync_FreeCommandsTypeConfusion_Test::TestBody() third_party/dawn/src/dawn/tests/unittests/native/WriteBufferOOMDesyncTests.cpp:65:5
    #2 0x59bc1a076ebb in testing::Test::Run() third_party/googletest/src/googletest/src/gtest.cc
    #3 0x59bc1a079b17 in testing::TestInfo::Run() third_party/googletest/src/googletest/src/gtest.cc:2892:11
    #4 0x59bc1a07bc13 in testing::TestSuite::Run() third_party/googletest/src/googletest/src/gtest.cc:3070:30
    #5 0x59bc1a0ab05a in testing::internal::UnitTestImpl::RunAllTests() third_party/googletest/src/googletest/src/gtest.cc:6062:44
    #6 0x59bc1a0a9b2e in testing::UnitTest::Run() third_party/googletest/src/googletest/src/gtest.cc
    #7 0x59bc1b17dbbc in base::TestSuite::Run() base/test/test_suite.cc:440:16
    #8 0x59bc198cd326 in (anonymous namespace)::RunHelper(base::TestSuite*) gpu/dawn_unittests_main.cc:17:22
    #9 0x59bc198cd53e in base::internal::Invoker<base::internal::FunctorTraits<int (*&&)(base::TestSuite*), base::TestSuite*>, base::internal::BindState<false, true, false, int (*)(base::TestSuite*), base::internal::UnretainedWrapper<base::TestSuite, base::unretained_traits::MayNotDangle, (partition_alloc::internal::RawPtrTraits)0>>, int ()>::RunOnce(base::internal::BindStateBase*) base/functional/bind_internal.h:673:12
    #10 0x59bc1b3f849b in base::(anonymous namespace)::LaunchUnitTestsInternal(base::OnceCallback<int ()>, unsigned long, int, unsigned long, bool, base::RepeatingCallback<void ()>, base::OnceCallback<void ()>) base/functional/callback.h:155:12
    #11 0x59bc1b3f8df4 in base::LaunchUnitTestsSerially(int, char**, base::OnceCallback<int ()>) base/test/launcher/unit_test_launcher.cc:347:10
    #12 0x59bc198cd15a in main gpu/dawn_unittests_main.cc:31:12
    #13 0x7cbc51393249  (/lib/x86_64-linux-gnu/libc.so.6+0x27249) (BuildId: 6196744a316dbd57c0fd8968df1680aac482cec4)

previously allocated by thread T0 here:
    #0 0x59bc17b01b18 in malloc (/chromium/chromium/src/out/asan/dawn_unittests+0x1fe0b18) (BuildId: aa7efb3aeee5e843)
    #1 0x59bc18811b0b in dawn::native::(anonymous namespace)::WriteBufferOOMDesync_FreeCommandsTypeConfusion_Test::TestBody() third_party/dawn/src/dawn/tests/unittests/native/WriteBufferOOMDesyncTests.cpp:49:15
    #2 0x59bc1a076ebb in testing::Test::Run() third_party/googletest/src/googletest/src/gtest.cc
    #3 0x59bc1a079b17 in testing::TestInfo::Run() third_party/googletest/src/googletest/src/gtest.cc:2892:11
    #4 0x59bc1a07bc13 in testing::TestSuite::Run() third_party/googletest/src/googletest/src/gtest.cc:3070:30
    #5 0x59bc1a0ab05a in testing::internal::UnitTestImpl::RunAllTests() third_party/googletest/src/googletest/src/gtest.cc:6062:44
    #6 0x59bc1a0a9b2e in testing::UnitTest::Run() third_party/googletest/src/googletest/src/gtest.cc
    #7 0x59bc1b17dbbc in base::TestSuite::Run() base/test/test_suite.cc:440:16
    #8 0x59bc198cd326 in (anonymous namespace)::RunHelper(base::TestSuite*) gpu/dawn_unittests_main.cc:17:22
    #9 0x59bc198cd53e in base::internal::Invoker<base::internal::FunctorTraits<int (*&&)(base::TestSuite*), base::TestSuite*>, base::internal::BindState<false, true, false, int (*)(base::TestSuite*), base::internal::UnretainedWrapper<base::TestSuite, base::unretained_traits::MayNotDangle, (partition_alloc::internal::RawPtrTraits)0>>, int ()>::RunOnce(base::internal::BindStateBase*) base/functional/bind_internal.h:673:12
    #10 0x59bc1b3f849b in base::(anonymous namespace)::LaunchUnitTestsInternal(base::OnceCallback<int ()>, unsigned long, int, unsigned long, bool, base::RepeatingCallback<void ()>, base::OnceCallback<void ()>) base/functional/callback.h:155:12
    #11 0x59bc1b3f8df4 in base::LaunchUnitTestsSerially(int, char**, base::OnceCallback<int ()>) base/test/launcher/unit_test_launcher.cc:347:10
    #12 0x59bc198cd15a in main gpu/dawn_unittests_main.cc:31:12
    #13 0x7cbc51393249  (/lib/x86_64-linux-gnu/libc.so.6+0x27249) (BuildId: 6196744a316dbd57c0fd8968df1680aac482cec4)

SUMMARY: AddressSanitizer: heap-use-after-free third_party/libc++/src/include/__atomic/support/c11.h:207:10 in dawn::RefCounted::Release()
Shadow bytes around the buggy address:
  0x797c503f0700: fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa
  0x797c503f0780: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fa
  0x797c503f0800: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd
  0x797c503f0880: fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa fa
  0x797c503f0900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x797c503f0980: fa fa fa fa fa fa fa fa fd[fd]fd fd fd fd fd fd
  0x797c503f0a00: fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa
  0x797c503f0a80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x797c503f0b00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x797c503f0b80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x797c503f0c00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb

==1397==ADDITIONAL INFO

==1397==Note: Please include this section with the ASan report.
Task trace:


==1397==END OF ADDITIONAL INFO

==1397==ABORTING