[libFuzzer] Disable Msan on InternalStrnlen
It's called from ATTRIBUTE_NO_SANITIZE_MEMORY code.
It worked as expected if inlined and complained otherwise.
Reviewed By: eugenis
Differential Revision: https://reviews.llvm.org/D113323
GitOrigin-RevId: 3c7960cba19ed926b8e86b4c619e81c0f7da4d15
diff --git a/FuzzerTracePC.cpp b/FuzzerTracePC.cpp
index 53e3a69..af8d1ce 100644
--- a/FuzzerTracePC.cpp
+++ b/FuzzerTracePC.cpp
@@ -391,6 +391,7 @@
ValueProfileMap.AddValue(PC * 128 + 64 + AbsoluteDistance);
}
+ATTRIBUTE_NO_SANITIZE_MEMORY
static size_t InternalStrnlen(const char *S, size_t MaxLen) {
size_t Len = 0;
for (; Len < MaxLen && S[Len]; Len++) {}
@@ -399,6 +400,7 @@
// Finds min of (strlen(S1), strlen(S2)).
// Needed because one of these strings may actually be non-zero terminated.
+ATTRIBUTE_NO_SANITIZE_MEMORY
static size_t InternalStrnlen2(const char *S1, const char *S2) {
size_t Len = 0;
for (; S1[Len] && S2[Len]; Len++) {}
