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[libFuzzer] add ATTRIBUTE_NO_SANITIZE_MEMORY to sanitizer hooks

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llvm-svn: 292295
This commit is contained in:
Kostya Serebryany 2017-01-17 23:50:21 +00:00
parent 03f571c246
commit 8e3275c8d4
1 changed files with 14 additions and 0 deletions
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14
lib/Fuzzer/FuzzerTraceState.cpp
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@ -215,6 +215,8 @@ extern "C" {
#endif
#if LLVM_FUZZER_DEFINES_SANITIZER_WEAK_HOOOKS
ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_memcmp(void *caller_pc, const void *s1,
const void *s2, size_t n, int result) {
if (result == 0) return; // No reason to mutate.
@ -225,6 +227,7 @@ void __sanitizer_weak_hook_memcmp(void *caller_pc, const void *s1,
reinterpret_cast<const uint8_t *>(s2));
}
ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strncmp(void *caller_pc, const char *s1,
const char *s2, size_t n, int result) {
if (result == 0) return; // No reason to mutate.
@ -239,6 +242,8 @@ void __sanitizer_weak_hook_strncmp(void *caller_pc, const char *s1,
reinterpret_cast<const uint8_t *>(s2));
}
ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcmp(void *caller_pc, const char *s1,
const char *s2, int result) {
if (result == 0) return; // No reason to mutate.
@ -252,22 +257,31 @@ void __sanitizer_weak_hook_strcmp(void *caller_pc, const char *s1,
reinterpret_cast<const uint8_t *>(s2));
}
ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strncasecmp(void *called_pc, const char *s1,
const char *s2, size_t n, int result) {
return __sanitizer_weak_hook_strncmp(called_pc, s1, s2, n, result);
}
ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcasecmp(void *called_pc, const char *s1,
const char *s2, int result) {
return __sanitizer_weak_hook_strcmp(called_pc, s1, s2, result);
}
ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strstr(void *called_pc, const char *s1,
const char *s2, char *result) {
TS->AddInterestingWord(reinterpret_cast<const uint8_t *>(s2), strlen(s2));
}
ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcasestr(void *called_pc, const char *s1,
const char *s2, char *result) {
TS->AddInterestingWord(reinterpret_cast<const uint8_t *>(s2), strlen(s2));
}
ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_memmem(void *called_pc, const void *s1, size_t len1,
const void *s2, size_t len2, void *result) {
if (fuzzer::DoingMyOwnMemmem) return;