[llvm-dev] [Fuzzer] Test failure on Linux x86-64

[Kostya Serebryany via llvm-dev]

+Matt Morehouse <mascasa at google.com>

On Fri, Jan 4, 2019 at 11:43 AM David Greene via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Continuing my quixotic effort to get 'check-all' clean, I am seeing a
> Fuzzer failure on x86-64 Linux.  Do any builders run fuzzer tests?
>
> FAIL: libFuzzer :: value-profile-mem.test (103 of 103)
> ******************** TEST 'libFuzzer :: value-profile-mem.test' FAILED
> ********************
> Script:
> --
> : 'RUN: at line 4';     /build/x86_64/./bin/clang  --driver-mode=g++
> -std=c++11 -lstdc++ -O2 -gline-tables-only -fsanitize=address,fuzzer
> -I/src/compiler-rt/lib/fuzzer -m64
> /src/compiler-rt/test/fuzzer/SingleMemcmpTest.cpp -o
> /build/x86_64/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/value-profile-mem.test.tmp-SingleMemcmpTest
> : 'RUN: at line 5';   not
> /build/x86_64/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/value-profile-mem.test.tmp-SingleMemcmpTest
> -seed=1  -use_cmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck
> /src/compiler-rt/test/fuzzer/value-profile-mem.test
> --
> Exit Code: 1
>
> Command Output (stderr):
> --
> + : 'RUN: at line 4'
> + /build/x86_64/./bin/clang --driver-mode=g++ -std=c++11 -lstdc++ -O2
> -gline-tables-only -fsanitize=address,fuzzer -I/src/compiler-rt/lib/fuzzer
> -m64 /src/compiler-rt/test/fuzzer/SingleMemcmpTest.cpp -o
> /build/x86_64/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/value-profile-mem.test.tmp-SingleMemcmpTest
> + : 'RUN: at line 5'
> + FileCheck /src/compiler-rt/test/fuzzer/value-profile-mem.test
> + not
> /build/x86_64/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/value-profile-mem.test.tmp-SingleMemcmpTest
> -seed=1 -use_cmp=0 -use_value_profile=1 -runs=10000000
> /src/compiler-rt/test/fuzzer/value-profile-mem.test:3:8: error: CHECK:
> expected string not found in input
> CHECK: BINGO
>        ^
> <stdin>:1:1: note: scanning from here
> INFO: Seed: 1
> ^
>
>                                 -David
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