Closed thurstond closed 4 months ago
Found as test flakiness on buildbot: https://lab.llvm.org/buildbot/#/builders/269/builds/4202/steps/9/logs/stdio
Relevant CLs:
Output from buildbot:
FAIL: HWAddressSanitizer-aarch64 :: TestCases/stack-uas.c (420 of 5436) ******************** TEST 'HWAddressSanitizer-aarch64 :: TestCases/stack-uas.c' FAILED ******************** Exit Code: 1 Command Output (stderr): -- RUN: at line 2: /b/sanitizer-aarch64-linux/build/build_gcc/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -gline-tables-only -fsanitize=hwaddress -fuse-ld=lld -mllvm -hwasan-globals -mllvm -hwasan-use-short-granules -mllvm -hwasan-instrument-landing-pads=0 -mllvm -hwasan-instrument-personality-functions -O0 -g /b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/hwasan/TestCases/stack-uas.c -o /b/sanitizer-aarch64-linux/build/build_gcc/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/stack-uas.c.tmp && not /b/sanitizer-aarch64-linux/build/build_gcc/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/stack-uas.c.tmp 2>&1 | FileCheck /b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/hwasan/TestCases/stack-uas.c + /b/sanitizer-aarch64-linux/build/build_gcc/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -gline-tables-only -fsanitize=hwaddress -fuse-ld=lld -mllvm -hwasan-globals -mllvm -hwasan-use-short-granules -mllvm -hwasan-instrument-landing-pads=0 -mllvm -hwasan-instrument-personality-functions -O0 -g /b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/hwasan/TestCases/stack-uas.c -o /b/sanitizer-aarch64-linux/build/build_gcc/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/stack-uas.c.tmp + FileCheck /b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/hwasan/TestCases/stack-uas.c + not /b/sanitizer-aarch64-linux/build/build_gcc/runtimes/runtimes-bins/compiler-rt/test/hwasan/AARCH64/TestCases/Output/stack-uas.c.tmp /b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/hwasan/TestCases/stack-uas.c:73:12: error: CHECK: expected string not found in input // CHECK: Cause: use-after-scope ^ <stdin>:14:38: note: scanning from here Potentially referenced stack objects: ^ <stdin>:15:1: note: possible intended match here Cause: stack-buffer-overflow ^ Input file: <stdin> Check file: /b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/hwasan/TestCases/stack-uas.c -dump-input=help explains the following input dump. Input was: <<<<<< . . . 9: 10: Cause: stack tag-mismatch 11: Address 0xffffc38ff8f0 is located in stack of thread T0 12: Thread: T0 0xeffe00002000 stack: [0xffffc3101000,0xffffc3901000) sz: 8388608 tls: [0xffff9037a700,0xffff9037b5a0) 13: 14: Potentially referenced stack objects: check:73'0 X error: no match found 15: Cause: stack-buffer-overflow check:73'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ check:73'1 ? possible intended match 16: 0xffffc38ff8f0 is located 281473962735616 bytes after a 2048-byte local variable zzz [0xfffffffffffff8f0,0x0000000000f0) in buggy /b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/hwasan/TestCases/stack-uas.c:44 check:73'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 17: check:73'0 ~ 18: check:73'0 ~ 19: check:73'0 ~ 20: Memory tags around the buggy address (one tag corresponds to 16 bytes): check:73'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ . . . >>>>>>
Found as test flakiness on buildbot: https://lab.llvm.org/buildbot/#/builders/269/builds/4202/steps/9/logs/stdio
Relevant CLs:
Output from buildbot: