// RUN: %clangxx_hwasan %s -o %t && %run %t 2>&1 #include #include #include #include // Regression test for https://reviews.llvm.org/D107938#2961070, where, on // reusing an allocation, we forgot to reset the short granule tag if the // allocator was disabled. This lead to a false positive magic-string mismatch. int main() { void *p = malloc(16); memset(p, 0xff, 16); free(p); // Relies on the LRU cache immediately recycling the allocation above. p = malloc(8); free(p); // Regression was here, in the magic-string check in the runtime. return 0; }