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2018 Jul 06
1
Using -runs consistently in libFuzzer tests
This sounds reasonable to me. Some tests could probably use a seed as well. On Thu, Jul 5, 2018 at 3:55 PM George Karpenkov <ekarpenkov at apple.com> wrote: > Timeouts when running tests are annoying, > but for many libFuzzer tests lacking -runs argument that’s an expected > failure mode. > Should we go through all the tests making sure that -runs is supplied? > >
2019 Jan 04
2
[Fuzzer] Test failure on Linux x86-64
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
2019 Jan 04
2
[Fuzzer] Test failure on Linux x86-64
FWIW I think that one was always flaky. > On Jan 4, 2019, at 2:53 PM, Kostya Serebryany via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > +Matt Morehouse <mailto:mascasa at google.com> > > On Fri, Jan 4, 2019 at 11:43 AM David Greene via llvm-dev <llvm-dev at lists.llvm.org <mailto: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...
2018 Jul 05
2
Using -runs consistently in libFuzzer tests
Timeouts when running tests are annoying, but for many libFuzzer tests lacking -runs argument that’s an expected failure mode. Should we go through all the tests making sure that -runs is supplied? Motivation: https://bugs.llvm.org/show_bug.cgi?id=38034
2017 Aug 24
3
Building LLVM's fuzzers
George Karpenkov <ekarpenkov at apple.com> writes: > Should -DCMAKE_CXX_COMPILER be also specified? CMake is smart enough to infer that from C_COMPILER: % grep CMAKE_CXX_COMPILER CMakeCache.txt CMAKE_CXX_COMPILER:FILEPATH=/Users/bogner/llvm-lkgc/bin/clang++ >> On Aug 24, 2017, at 11:29 AM, Justin Bogner <mail at justinbogner.com> wrote: >> >> (kcc, george:
2018 Aug 15
3
How is llvm-opt-fuzzer supposed to be built and used with a pass pipeline?
Hello List, I'm currently writing my own little optimization pass (on LLVM 6.0) and considered it a neat idea to fuzz it using llvm-opt-fuzzer, which in theory should be a ready-made tool for such jobs as far as I can tell, potentially helping me to find UB and Address issues in my pass. So I went ahead and followed the instructions in the build manual [1] to build LLVM's llvm-opt-fuzzer