[compiler-rt] [fuzzer] Avoid buffer overflow in CrossOverTest.cpp (and fix-forward build breakage from #155943) (PR #156103)
LLVM Continuous Integration via llvm-commits
llvm-commits at lists.llvm.org
Fri Aug 29 14:51:38 PDT 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux` running on `sanitizer-buildbot1` while building `compiler-rt` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/66/builds/18616
<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)
...
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:248: warning: COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=ON, but this test suite does not support testing the just-built runtime libraries when the test compiler is configured to use different runtime libraries. Either modify this test suite to support this test configuration, or set COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=OFF to test the runtime libraries included in the compiler instead.
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:259: note: Testing using libraries in "/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/22/lib/i386-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:237: warning: Compiler lib dir != compiler-rt lib dir
Compiler libdir: "/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/lib/i386-unknown-linux-gnu"
compiler-rt libdir: "/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/lib/x86_64-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:248: warning: COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=ON, but this test suite does not support testing the just-built runtime libraries when the test compiler is configured to use different runtime libraries. Either modify this test suite to support this test configuration, or set COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=OFF to test the runtime libraries included in the compiler instead.
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:259: note: Testing using libraries in "/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/22/lib/x86_64-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 10895 tests, 88 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: libFuzzer-i386-default-Linux :: cross_over_copy.test (10014 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over_copy.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_copy.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_copy.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: libFuzzer-i386-default-Linux :: cross_over_insert.test (10017 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over_insert.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: libFuzzer-i386-default-Linux :: cross_over.test (10018 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
Step 9 (test compiler-rt symbolizer) failure: test compiler-rt symbolizer (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:248: warning: COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=ON, but this test suite does not support testing the just-built runtime libraries when the test compiler is configured to use different runtime libraries. Either modify this test suite to support this test configuration, or set COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=OFF to test the runtime libraries included in the compiler instead.
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:259: note: Testing using libraries in "/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/22/lib/i386-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:237: warning: Compiler lib dir != compiler-rt lib dir
Compiler libdir: "/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/lib/i386-unknown-linux-gnu"
compiler-rt libdir: "/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/lib/x86_64-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:248: warning: COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=ON, but this test suite does not support testing the just-built runtime libraries when the test compiler is configured to use different runtime libraries. Either modify this test suite to support this test configuration, or set COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=OFF to test the runtime libraries included in the compiler instead.
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:259: note: Testing using libraries in "/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/22/lib/x86_64-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 10895 tests, 88 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: libFuzzer-i386-default-Linux :: cross_over_copy.test (10014 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over_copy.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_copy.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_copy.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: libFuzzer-i386-default-Linux :: cross_over_insert.test (10017 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over_insert.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: libFuzzer-i386-default-Linux :: cross_over.test (10018 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
Step 11 (test compiler-rt debug) failure: test compiler-rt debug (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:248: warning: COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=ON, but this test suite does not support testing the just-built runtime libraries when the test compiler is configured to use different runtime libraries. Either modify this test suite to support this test configuration, or set COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=OFF to test the runtime libraries included in the compiler instead.
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:259: note: Testing using libraries in "/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/22/lib/i386-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:237: warning: Compiler lib dir != compiler-rt lib dir
Compiler libdir: "/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/lib/i386-unknown-linux-gnu"
compiler-rt libdir: "/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/lib/x86_64-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:248: warning: COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=ON, but this test suite does not support testing the just-built runtime libraries when the test compiler is configured to use different runtime libraries. Either modify this test suite to support this test configuration, or set COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=OFF to test the runtime libraries included in the compiler instead.
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:259: note: Testing using libraries in "/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/22/lib/x86_64-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 4963 of 10878 tests, 88 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80
FAIL: libFuzzer-i386-default-Linux :: cross_over_insert.test (4138 of 4963)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over_insert.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80
FAIL: libFuzzer-i386-default-Linux :: cross_over_copy.test (4139 of 4963)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over_copy.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_copy.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_copy.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80
FAIL: libFuzzer-i386-default-Linux :: cross_over.test (4147 of 4963)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
Step 14 (test compiler-rt default) failure: test compiler-rt default (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:248: warning: COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=ON, but this test suite does not support testing the just-built runtime libraries when the test compiler is configured to use different runtime libraries. Either modify this test suite to support this test configuration, or set COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=OFF to test the runtime libraries included in the compiler instead.
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:259: note: Testing using libraries in "/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/22/lib/i386-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:237: warning: Compiler lib dir != compiler-rt lib dir
Compiler libdir: "/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/lib/i386-unknown-linux-gnu"
compiler-rt libdir: "/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/lib/x86_64-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:248: warning: COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=ON, but this test suite does not support testing the just-built runtime libraries when the test compiler is configured to use different runtime libraries. Either modify this test suite to support this test configuration, or set COMPILER_RT_TEST_STANDALONE_BUILD_LIBS=OFF to test the runtime libraries included in the compiler instead.
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:259: note: Testing using libraries in "/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/22/lib/x86_64-unknown-linux-gnu"
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 10895 tests, 88 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: libFuzzer-i386-default-Linux :: cross_over_insert.test (10016 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over_insert.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: libFuzzer-i386-default-Linux :: cross_over_copy.test (10017 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over_copy.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_copy.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m32 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/fuzzer/I386DefaultLinuxConfig/Output/cross_over_copy.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90
FAIL: libFuzzer-i386-default-Linux :: cross_over.test (10029 of 10895)
******************** TEST 'libFuzzer-i386-default-Linux :: cross_over.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
Step 16 (test standalone compiler-rt) failure: test standalone compiler-rt (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/x86_64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang', '--target=x86_64-unknown-linux-gnu', '-m64', '-nobuiltininc', '-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/x86_64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang', '--target=x86_64-unknown-linux-gnu', '-m64', '-nobuiltininc', '-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/x86_64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang', '--target=x86_64-unknown-linux-gnu', '-Wthread-safety', '-Wthread-safety-reference', '-Wthread-safety-beta', '-nobuiltininc', '-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/x86_64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang', '--target=x86_64-unknown-linux-gnu', '-m64', '-nobuiltininc', '-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/x86_64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang', '--target=x86_64-unknown-linux-gnu', '-m64', '-nobuiltininc', '-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/x86_64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang', '--target=x86_64-unknown-linux-gnu', '-m64', '-nobuiltininc', '-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/lit.common.cfg.py:60: warning: Path reported by clang does not exist: "/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/x86_64-unknown-linux-gnu". This path was found by running ['/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang', '--target=x86_64-unknown-linux-gnu', '-m64', '-nobuiltininc', '-I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include', '-idirafter', '/home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include', '-resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build', '-Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux', '-print-runtime-dir'].
llvm-lit: /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 6329 tests, 88 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: libFuzzer-x86_64-default-Linux :: cross_over.test (6151 of 6329)
******************** TEST 'libFuzzer-x86_64-default-Linux :: cross_over.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -nobuiltininc -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m64 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/compiler_rt_build/test/fuzzer/X86_64DefaultLinuxConfig/Output/cross_over.test.tmp-CrossOverTest # RUN: at line 9
+ /home/b/sanitizer-x86_64-linux/build/build_default/bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -nobuiltininc -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m64 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/compiler_rt_build/test/fuzzer/X86_64DefaultLinuxConfig/Output/cross_over.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: libFuzzer-x86_64-default-Linux :: cross_over_insert.test (6156 of 6329)
******************** TEST 'libFuzzer-x86_64-default-Linux :: cross_over_insert.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux/build/build_default/bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -nobuiltininc -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m64 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/compiler_rt_build/test/fuzzer/X86_64DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest # RUN: at line 7
+ /home/b/sanitizer-x86_64-linux/build/build_default/bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -nobuiltininc -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/include -idirafter /home/b/sanitizer-x86_64-linux/build/build_default/lib/clang/22/include -resource-dir=/home/b/sanitizer-x86_64-linux/build/compiler_rt_build -Wl,-rpath,/home/b/sanitizer-x86_64-linux/build/compiler_rt_build/lib/linux --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/fuzzer -m64 /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp -o /home/b/sanitizer-x86_64-linux/build/compiler_rt_build/test/fuzzer/X86_64DefaultLinuxConfig/Output/cross_over_insert.test.tmp-CrossOverTest
/home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/CrossOverTest.cpp:50:5: error: non-void function 'LLVMFuzzerTestOneInput' should return a value [-Wreturn-mismatch]
50 | return;
| ^
1 error generated.
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: libFuzzer-x86_64-default-Linux :: cross_over_copy.test (6163 of 6329)
******************** TEST 'libFuzzer-x86_64-default-Linux :: cross_over_copy.test' FAILED ********************
Exit Code: 1
Command Output (stderr):
```
</details>
https://github.com/llvm/llvm-project/pull/156103
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