llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux` 
running on `sanitizer-buildbot2` while building `clang` at step 2 "annotate".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/66/builds/34433

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python 
../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py'
 (failure)
...
[0/1] Install the project...
-- Install configuration: "Release"
[419/424] Generating MSAN_INST_GTEST.gtest-all.cc.x86_64.o
[420/424] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.x86_64-with-call.o
[421/424] Generating Msan-x86_64-with-call-Test
[422/424] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.x86_64.o
[423/424] Generating Msan-x86_64-Test
[423/424] Running compiler_rt regression tests
-- Testing: 5555 of 11679 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70
FAIL: SanitizerCommon-tsan-x86_64-Linux :: vsnprintf.cpp (4127 of 5555)
******************** TEST 'SanitizerCommon-tsan-x86_64-Linux :: vsnprintf.cpp' 
FAILED ********************
Exit Code: -4

Command Output (stdout):
--
# RUN: at line 4
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang  
--driver-mode=g++ -gline-tables-only -fsanitize=thread  -m64 -funwind-tables  
-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test -ldl -O2 
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/sanitizer_common/TestCases/vsnprintf.cpp
 -o 
/home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Output/vsnprintf.cpp.tmp
# executed command: 
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang 
--driver-mode=g++ -gline-tables-only -fsanitize=thread -m64 -funwind-tables 
-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test -ldl -O2 
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/sanitizer_common/TestCases/vsnprintf.cpp
 -o 
/home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Output/vsnprintf.cpp.tmp
# note: command had no output on stdout or stderr
# RUN: at line 5
env TSAN_OPTIONS=check_printf=1  
/home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Output/vsnprintf.cpp.tmp
 2>&1
# executed command: env TSAN_OPTIONS=check_printf=1 
/home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Output/vsnprintf.cpp.tmp
# .---command stdout------------
# | ThreadSanitizer: CHECK failed: tsan_platform.h:1046 
"((IsAppMemImpl::Apply<Mapping>(x))) != (0)" (0x0, 0x0) (tid=3485126)
# | ThreadSanitizer: CHECK failed: tsan_rtl.cpp:366 "((!thr->slot_locked)) != 
(0)" (0x0, 0x0) (tid=3485126)
# `-----------------------------
# error: command failed with exit status: -4

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests (20 of 5643):
--------------------------------------------------------------------------
65.39s: ThreadSanitizer-x86_64 :: deadlock_detector_stress_test.cpp
47.29s: ThreadSanitizer-x86_64 :: restore_stack.cpp
40.37s: libFuzzer-i386-default-Linux :: value-profile-switch.test
39.71s: libFuzzer-i386-libcxx-Linux :: fork_corpus_groups.test
39.56s: libFuzzer-x86_64-static-libcxx-Linux :: fork.test
39.45s: libFuzzer-i386-static-libcxx-Linux :: fork.test
39.31s: libFuzzer-x86_64-default-Linux :: large.test
39.25s: libFuzzer-x86_64-default-Linux :: fork_corpus_groups.test
39.08s: libFuzzer-i386-default-Linux :: fork.test
39.00s: libFuzzer-i386-libcxx-Linux :: value-profile-switch.test
38.87s: libFuzzer-i386-libcxx-Linux :: fork.test
38.34s: libFuzzer-x86_64-default-Linux :: fork.test
38.20s: libFuzzer-i386-static-libcxx-Linux :: fork_corpus_groups.test
38.10s: libFuzzer-x86_64-static-libcxx-Linux :: fork_corpus_groups.test
Step 11 (test compiler-rt debug) failure: test compiler-rt debug (failure)
...
[0/1] Install the project...
-- Install configuration: "Release"
[419/424] Generating MSAN_INST_GTEST.gtest-all.cc.x86_64.o
[420/424] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.x86_64-with-call.o
[421/424] Generating Msan-x86_64-with-call-Test
[422/424] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.x86_64.o
[423/424] Generating Msan-x86_64-Test
[423/424] Running compiler_rt regression tests
-- Testing: 5555 of 11679 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70
FAIL: SanitizerCommon-tsan-x86_64-Linux :: vsnprintf.cpp (4127 of 5555)
******************** TEST 'SanitizerCommon-tsan-x86_64-Linux :: vsnprintf.cpp' 
FAILED ********************
Exit Code: -4

Command Output (stdout):
--
# RUN: at line 4
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang  
--driver-mode=g++ -gline-tables-only -fsanitize=thread  -m64 -funwind-tables  
-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test -ldl -O2 
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/sanitizer_common/TestCases/vsnprintf.cpp
 -o 
/home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Output/vsnprintf.cpp.tmp
# executed command: 
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang 
--driver-mode=g++ -gline-tables-only -fsanitize=thread -m64 -funwind-tables 
-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test -ldl -O2 
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/sanitizer_common/TestCases/vsnprintf.cpp
 -o 
/home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Output/vsnprintf.cpp.tmp
# note: command had no output on stdout or stderr
# RUN: at line 5
env TSAN_OPTIONS=check_printf=1  
/home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Output/vsnprintf.cpp.tmp
 2>&1
# executed command: env TSAN_OPTIONS=check_printf=1 
/home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/tsan-x86_64-Linux/Output/vsnprintf.cpp.tmp
# .---command stdout------------
# | ThreadSanitizer: CHECK failed: tsan_platform.h:1046 
"((IsAppMemImpl::Apply<Mapping>(x))) != (0)" (0x0, 0x0) (tid=3485126)
# | ThreadSanitizer: CHECK failed: tsan_rtl.cpp:366 "((!thr->slot_locked)) != 
(0)" (0x0, 0x0) (tid=3485126)
# `-----------------------------
# error: command failed with exit status: -4

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests (20 of 5643):
--------------------------------------------------------------------------
65.39s: ThreadSanitizer-x86_64 :: deadlock_detector_stress_test.cpp
47.29s: ThreadSanitizer-x86_64 :: restore_stack.cpp
40.37s: libFuzzer-i386-default-Linux :: value-profile-switch.test
39.71s: libFuzzer-i386-libcxx-Linux :: fork_corpus_groups.test
39.56s: libFuzzer-x86_64-static-libcxx-Linux :: fork.test
39.45s: libFuzzer-i386-static-libcxx-Linux :: fork.test
39.31s: libFuzzer-x86_64-default-Linux :: large.test
39.25s: libFuzzer-x86_64-default-Linux :: fork_corpus_groups.test
39.08s: libFuzzer-i386-default-Linux :: fork.test
39.00s: libFuzzer-i386-libcxx-Linux :: value-profile-switch.test
38.87s: libFuzzer-i386-libcxx-Linux :: fork.test
38.34s: libFuzzer-x86_64-default-Linux :: fork.test
38.20s: libFuzzer-i386-static-libcxx-Linux :: fork_corpus_groups.test
38.10s: libFuzzer-x86_64-static-libcxx-Linux :: fork_corpus_groups.test

```

</details>

https://github.com/llvm/llvm-project/pull/211152
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