llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder 
`sanitizer-x86_64-linux-qemu` running on `sanitizer-buildbot3` while building 
`clang` at step 2 "annotate".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/139/builds/14430

<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)
...
[75/77] Generating ScudoUnitTestsObjects.combined_test.cpp.mips64.o
clang++: warning: -Wl,-z,execstack: 'linker' input unused 
[-Wunused-command-line-argument]
clang++: warning: -Wl,-z,execstack: 'linker' input unused 
[-Wunused-command-line-argument]
clang++: warning: -Wl,-z,execstack: 'linker' input unused 
[-Wunused-command-line-argument]
[76/77] Generating ScudoUnitTest-mips64-Test
[76/77] Running Scudo Standalone tests
llvm-lit: 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/llvm/utils/lit/lit/main.py:72:
 note: The test suite configuration requested an individual test timeout of 0 
seconds but a timeout of 900 seconds was requested on the command line. Forcing 
timeout to be 900 seconds.
-- Testing: 183 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
TIMEOUT: ScudoStandalone-Unit :: ./ScudoUnitTest-mips64-Test/93/165 (183 of 183)
******************** TEST 'ScudoStandalone-Unit :: 
./ScudoUnitTest-mips64-Test/93/165' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/b/sanitizer-x86_64-linux-qemu/build/llvm_build2_mips64_qemu/lib/scudo/standalone/tests/./ScudoUnitTest-mips64-Test-ScudoStandalone-Unit-545397-93-165.json
 GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=165 GTEST_SHARD_INDEX=93 
/home/b/sanitizer-x86_64-linux-qemu/build/qemu_build/qemu-mips64 -L 
/usr/mips64-linux-gnuabi64 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm_build2_mips64_qemu/lib/scudo/standalone/tests/./ScudoUnitTest-mips64-Test
--

Note: This is test shard 94 of 165.
[==========] Running 2 tests from 2 test suites.
[----------] Global test environment set-up.
[----------] 1 test from ScudoCombinedDeathTestBasicCombined16_TestNoCacheConfig
[ RUN      ] 
ScudoCombinedDeathTestBasicCombined16_TestNoCacheConfig.BasicCombined16

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.
Step 15 (scudo mips64_qemu) failure: scudo mips64_qemu (failure)
...
[75/77] Generating ScudoUnitTestsObjects.combined_test.cpp.mips64.o
clang++: warning: -Wl,-z,execstack: 'linker' input unused 
[-Wunused-command-line-argument]
clang++: warning: -Wl,-z,execstack: 'linker' input unused 
[-Wunused-command-line-argument]
clang++: warning: -Wl,-z,execstack: 'linker' input unused 
[-Wunused-command-line-argument]
[76/77] Generating ScudoUnitTest-mips64-Test
[76/77] Running Scudo Standalone tests
llvm-lit: 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/llvm/utils/lit/lit/main.py:72:
 note: The test suite configuration requested an individual test timeout of 0 
seconds but a timeout of 900 seconds was requested on the command line. Forcing 
timeout to be 900 seconds.
-- Testing: 183 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
TIMEOUT: ScudoStandalone-Unit :: ./ScudoUnitTest-mips64-Test/93/165 (183 of 183)
******************** TEST 'ScudoStandalone-Unit :: 
./ScudoUnitTest-mips64-Test/93/165' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/b/sanitizer-x86_64-linux-qemu/build/llvm_build2_mips64_qemu/lib/scudo/standalone/tests/./ScudoUnitTest-mips64-Test-ScudoStandalone-Unit-545397-93-165.json
 GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=165 GTEST_SHARD_INDEX=93 
/home/b/sanitizer-x86_64-linux-qemu/build/qemu_build/qemu-mips64 -L 
/usr/mips64-linux-gnuabi64 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm_build2_mips64_qemu/lib/scudo/standalone/tests/./ScudoUnitTest-mips64-Test
--

Note: This is test shard 94 of 165.
[==========] Running 2 tests from 2 test suites.
[----------] Global test environment set-up.
[----------] 1 test from ScudoCombinedDeathTestBasicCombined16_TestNoCacheConfig
[ RUN      ] 
ScudoCombinedDeathTestBasicCombined16_TestNoCacheConfig.BasicCombined16

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

[WARNING] 
/home/b/sanitizer-x86_64-linux-qemu/build/llvm-project/compiler-rt/../third-party/unittest/googletest/src/gtest-death-test.cc:1102::
 Death tests use fork(), which is unsafe particularly in a threaded context. 
For this test, Google Test couldn't detect the number of threads. See 
https://github.com/google/googletest/blob/main/docs/advanced.md#death-tests-and-threads
 for more explanation and suggested solutions, especially if this is the last 
message you see before your test times out.

```

</details>

https://github.com/llvm/llvm-project/pull/138229
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