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(parent: 9920213) | patch
[libFuzzer] Unpoison parameters before calling user callback.
authorMatt Morehouse <mascasa@google.com>
Thu, 9 May 2019 22:48:46 +0000 (22:48 +0000)
committerMatt Morehouse <mascasa@google.com>
Thu, 9 May 2019 22:48:46 +0000 (22:48 +0000)
commit3478494c1fdcbbee3e22895dcd6e6919d6c05430
tree143c990935acad8ff930eabf29870b5595e75717tree | snapshot
parent992021335c14deb684afcceecaf720f16c6bd079commit | diff
[libFuzzer] Unpoison parameters before calling user callback.

Summary:
Fixes an MSan false positive when compiling with
-fsanitize=memory,fuzzer.

See https://github.com/google/oss-fuzz/issues/2369 for more details.

Reviewers: kcc

Reviewed By: kcc

Subscribers: llvm-commits, metzman, eugenis

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D61753

llvm-svn: 360390
compiler-rt/lib/fuzzer/FuzzerExtFunctions.def diff | blob | history
compiler-rt/lib/fuzzer/FuzzerLoop.cpp diff | blob | history
compiler-rt/test/fuzzer/MsanParamUnpoison.cpp [new file with mode: 0644] blob
compiler-rt/test/fuzzer/msan-param-unpoison.test [new file with mode: 0644] blob
Domain: System / Toolchain;