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authorKostya Serebryany <kcc@google.com>2016-12-14 18:13:02 +0000
committerKostya Serebryany <kcc@google.com>2016-12-14 18:13:02 +0000
commitd9d9a545119d6538a94e90989c5cf0147cb02a8a (patch)
tree2c0182f066fa27cfb6b50409edd02a6ac7eb2986 /llvm/lib/Fuzzer/FuzzerTracePC.cpp
parent2428a4050f066a51ff9dbd713aab0356ca435e7d (diff)
downloadbcm5719-llvm-d9d9a545119d6538a94e90989c5cf0147cb02a8a.tar.gz
bcm5719-llvm-d9d9a545119d6538a94e90989c5cf0147cb02a8a.zip
[libFuzzer] disable msan for one more hook that reads target's data that might be uninitialized
llvm-svn: 289680
Diffstat (limited to 'llvm/lib/Fuzzer/FuzzerTracePC.cpp')
-rw-r--r--llvm/lib/Fuzzer/FuzzerTracePC.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerTracePC.cpp b/llvm/lib/Fuzzer/FuzzerTracePC.cpp
index 7e7a9143830..781bd56eb7e 100644
--- a/llvm/lib/Fuzzer/FuzzerTracePC.cpp
+++ b/llvm/lib/Fuzzer/FuzzerTracePC.cpp
@@ -218,6 +218,9 @@ void TracePC::AddValueForMemcmp(void *caller_pc, const void *s1, const void *s2,
TPC.HandleValueProfile((PC & 4095) | (Idx << 12));
}
+#ifdef __clang__ // avoid gcc warning.
+__attribute__((no_sanitize("memory")))
+#endif
void TracePC::AddValueForStrcmp(void *caller_pc, const char *s1, const char *s2,
size_t n) {
if (!n) return;
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