[compiler-rt] [compiler-rt] [Fuzzer] Fix ARMv7 test link failure by linking unwinder (PR #144495)
LLVM Continuous Integration via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 18 07:49:58 PDT 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux` running on `sanitizer-buildbot8` while building `compiler-rt` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/51/builds/18170
<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)
...
-- Install configuration: "Release"
[169/186] Generating MSAN_INST_TEST_OBJECTS.msan_test_main.cpp.aarch64.o
[171/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_interceptors.a
[172/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer.a
[173/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_no_main.a
[174/186] Generating FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o
[175/186] Generating FuzzerTestObjects.FuzzerUnittest.cpp.aarch64.o
[176/186] Generating FuzzerTestObjects.gtest-all.cc.aarch64.o
[177/186] Generating FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o
[178/186] Generating Fuzzer-aarch64-Test
FAILED: compiler-rt/lib/fuzzer/tests/Fuzzer-aarch64-Test /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/Fuzzer-aarch64-Test
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests && /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang++ FuzzerTestObjects.FuzzerUnittest.cpp.aarch64.o FuzzerTestObjects.gtest-all.cc.aarch64.o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/libRTFuzzerTest.aarch64.a -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/./Fuzzer-aarch64-Test -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/21 --driver-mode=g++ -lpthread -nostdlib++ -fno-exceptions gcc_s /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/lib/libc++.a -march=armv8-a
clang++: error: no such file or directory: 'gcc_s'
[179/186] Generating FuzzerUtils-aarch64-Test
FAILED: compiler-rt/lib/fuzzer/tests/FuzzerUtils-aarch64-Test /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/FuzzerUtils-aarch64-Test
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests && /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang++ FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/./FuzzerUtils-aarch64-Test -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/21 --driver-mode=g++ -lpthread -nostdlib++ -fno-exceptions gcc_s /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/lib/libc++.a -march=armv8-a
clang++: error: no such file or directory: 'gcc_s'
[180/186] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64-with-call.o
[181/186] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64.o
[182/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[183/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-compiler-rt /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/CMakeFiles/check-compiler-rt
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins && /usr/bin/cmake --build /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
ninja: build stopped: subcommand failed.
How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
@@@STEP_FAILURE@@@
@@@STEP_FAILURE@@@
@@@STEP_FAILURE@@@
@@@BUILD_STEP build compiler-rt debug@@@
+ /usr/bin/cmake -B build_default -DLLVM_APPEND_VC_REV=OFF -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_CCACHE_BUILD=ON -DLLVM_USE_LINKER=lld -DLLVM_BINUTILS_INCDIR=/usr/include '-DLLVM_ENABLE_PROJECTS=clang;lld' '-DLLVM_ENABLE_RUNTIMES=libcxx;libcxxabi;compiler-rt;libunwind' -DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_ENABLE_ASSERTIONS=ON -DCMAKE_C_COMPILER=/home/b/sanitizer-aarch64-linux/build/llvm_build0/bin/clang -DCMAKE_CXX_COMPILER=/home/b/sanitizer-aarch64-linux/build/llvm_build0/bin/clang++ -DLLVM_ENABLE_WERROR=ON -DCOMPILER_RT_DEBUG=ON /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm
-- The C compiler identification is Clang 20.1.7
-- The CXX compiler identification is Clang 20.1.7
-- The ASM compiler identification is Clang with GNU-like command-line
-- Found assembler: /home/b/sanitizer-aarch64-linux/build/llvm_build0/bin/clang
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /home/b/sanitizer-aarch64-linux/build/llvm_build0/bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /home/b/sanitizer-aarch64-linux/build/llvm_build0/bin/clang++ - skipped
-- Detecting CXX compile features
Step 9 (test compiler-rt symbolizer) failure: test compiler-rt symbolizer (failure)
...
-- Install configuration: "Release"
[169/186] Generating MSAN_INST_TEST_OBJECTS.msan_test_main.cpp.aarch64.o
[171/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_interceptors.a
[172/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer.a
[173/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_no_main.a
[174/186] Generating FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o
[175/186] Generating FuzzerTestObjects.FuzzerUnittest.cpp.aarch64.o
[176/186] Generating FuzzerTestObjects.gtest-all.cc.aarch64.o
[177/186] Generating FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o
[178/186] Generating Fuzzer-aarch64-Test
FAILED: compiler-rt/lib/fuzzer/tests/Fuzzer-aarch64-Test /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/Fuzzer-aarch64-Test
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests && /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang++ FuzzerTestObjects.FuzzerUnittest.cpp.aarch64.o FuzzerTestObjects.gtest-all.cc.aarch64.o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/libRTFuzzerTest.aarch64.a -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/./Fuzzer-aarch64-Test -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/21 --driver-mode=g++ -lpthread -nostdlib++ -fno-exceptions gcc_s /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/lib/libc++.a -march=armv8-a
clang++: error: no such file or directory: 'gcc_s'
[179/186] Generating FuzzerUtils-aarch64-Test
FAILED: compiler-rt/lib/fuzzer/tests/FuzzerUtils-aarch64-Test /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/FuzzerUtils-aarch64-Test
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests && /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang++ FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/./FuzzerUtils-aarch64-Test -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/21 --driver-mode=g++ -lpthread -nostdlib++ -fno-exceptions gcc_s /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/lib/libc++.a -march=armv8-a
clang++: error: no such file or directory: 'gcc_s'
[180/186] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64-with-call.o
[181/186] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64.o
[182/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[183/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-compiler-rt /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/CMakeFiles/check-compiler-rt
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins && /usr/bin/cmake --build /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
ninja: build stopped: subcommand failed.
How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
Step 11 (test compiler-rt debug) failure: test compiler-rt debug (failure)
...
[0/1] Install the project...
-- Install configuration: "Release"
[169/186] Generating MSAN_INST_TEST_OBJECTS.msan_test_main.cpp.aarch64-with-call.o
[171/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_interceptors.a
[172/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer.a
[173/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_no_main.a
[174/186] Generating FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o
[175/186] Generating FuzzerTestObjects.FuzzerUnittest.cpp.aarch64.o
[176/186] Generating FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o
[177/186] Generating FuzzerUtils-aarch64-Test
FAILED: compiler-rt/lib/fuzzer/tests/FuzzerUtils-aarch64-Test /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/FuzzerUtils-aarch64-Test
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests && /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang++ FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/./FuzzerUtils-aarch64-Test -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/21 --driver-mode=g++ -lpthread -nostdlib++ -fno-exceptions gcc_s /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/lib/libc++.a -march=armv8-a
clang++: error: no such file or directory: 'gcc_s'
[178/186] Generating FuzzerTestObjects.gtest-all.cc.aarch64.o
[179/186] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64-with-call.o
[180/186] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64.o
[181/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[182/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-compiler-rt /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/CMakeFiles/check-compiler-rt
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins && /usr/bin/cmake --build /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
ninja: build stopped: subcommand failed.
How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
Step 14 (test compiler-rt default) failure: test compiler-rt default (failure)
...
[0/1] Install the project...
-- Install configuration: "Release"
[169/186] Generating MSAN_INST_TEST_OBJECTS.msan_test_main.cpp.aarch64-with-call.o
[171/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_interceptors.a
[172/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer.a
[173/186] Linking CXX static library /home/b/sanitizer-aarch64-linux/build/build_default/lib/clang/21/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_no_main.a
[174/186] Generating FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o
[175/186] Generating FuzzerTestObjects.FuzzerUnittest.cpp.aarch64.o
[176/186] Generating FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o
[177/186] Generating FuzzerUtils-aarch64-Test
FAILED: compiler-rt/lib/fuzzer/tests/FuzzerUtils-aarch64-Test /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/FuzzerUtils-aarch64-Test
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests && /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang++ FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/tests/./FuzzerUtils-aarch64-Test -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/21 --driver-mode=g++ -lpthread -nostdlib++ -fno-exceptions gcc_s /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/lib/libc++.a -march=armv8-a
clang++: error: no such file or directory: 'gcc_s'
[178/186] Generating FuzzerTestObjects.gtest-all.cc.aarch64.o
[179/186] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64-with-call.o
[180/186] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64.o
[181/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[182/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-compiler-rt /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/CMakeFiles/check-compiler-rt
cd /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins && /usr/bin/cmake --build /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
ninja: build stopped: subcommand failed.
How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
Step 16 (test standalone compiler-rt) failure: test standalone compiler-rt (failure)
...
[144/161] Generating libmsan_loadable.aarch64-with-call.so
[145/161] Installing libcxx_fuzzer_aarch64...
[0/1] Install the project...
-- Install configuration: "Release"
[147/161] Generating MSAN_INST_TEST_OBJECTS.msan_test_main.cpp.aarch64-with-call.o
[148/161] Generating MSAN_INST_TEST_OBJECTS.msan_test_main.cpp.aarch64.o
[149/161] Generating FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o
[150/161] Generating FuzzerTestObjects.FuzzerUnittest.cpp.aarch64.o
[151/161] Generating FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o
[152/161] Generating FuzzerUtils-aarch64-Test
FAILED: lib/fuzzer/tests/FuzzerUtils-aarch64-Test /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/fuzzer/tests/FuzzerUtils-aarch64-Test
cd /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/fuzzer/tests && /home/b/sanitizer-aarch64-linux/build/build_default/bin/clang++ FuzzedDataProviderTestObjects.FuzzedDataProviderUnittest.cpp.aarch64.o FuzzedDataProviderTestObjects.gtest-all.cc.aarch64.o -o /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/fuzzer/tests/./FuzzerUtils-aarch64-Test -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/b/sanitizer-aarch64-linux/build/compiler_rt_build --driver-mode=g++ -lpthread -nostdlib++ -fno-exceptions gcc_s /home/b/sanitizer-aarch64-linux/build/compiler_rt_build/lib/fuzzer/libcxx_fuzzer_aarch64/lib/libc++.a -march=armv8-a
clang++: error: no such file or directory: 'gcc_s'
[153/161] Generating FuzzerTestObjects.gtest-all.cc.aarch64.o
[154/161] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64-with-call.o
[155/161] Generating MSAN_INST_GTEST.gtest-all.cc.aarch64.o
[156/161] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[157/161] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
ninja: build stopped: subcommand failed.
How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
```
</details>
https://github.com/llvm/llvm-project/pull/144495
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