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#Centipede add one more bug to multi_sanitizer_fuzz_target.cc #281

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#Centipede add one more bug to multi_sanitizer_fuzz_target.cc #281

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5 changes: 5 additions & 0 deletions testing/multi_sanitizer_fuzz_target.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
#include <thread> // NOLINT

[[maybe_unused]] static volatile void *sink;
[[maybe_unused]] static volatile int int_sink;

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size != 3) return 0; // Make bugs easy to discover.
Expand All @@ -45,5 +46,9 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
++racy_var;
t.join();
}
// mcm => buffer overflow inside memcmp
if (data[0] == 'm' && data[1] == 'c' && data[2] == 'm') {
int_sink = memcmp(data, "mcm123", 6);
}
return 0;
}