// RUN: %clangxx_asan %s -o %t // RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=A1 // RUN: not %run %t 1 2>&1 | FileCheck %s --check-prefix=A2 // RUN: %env_asan_opts=intercept_memmem=0 %run %t #include int main(int argc, char **argv) { char a1[] = {1, 2, 3, 4, 5, 6, 7, 8}; char a2[] = {3, 4, 5}; void *res; if (argc == 1) res = memmem(a1, sizeof(a1) + 1, a2, sizeof(a2)); // BOOM else res = memmem(a1, sizeof(a1), a2, sizeof(a2) + 1); // BOOM // A1: AddressSanitizer: stack-buffer-overflow // A1: {{#0.*memmem}} // A1-NEXT: {{#1.*main}} // A1: 'a1'{{.*}} <== Memory access at offset // // A2: AddressSanitizer: stack-buffer-overflow // A2: {{#0.*memmem}} // A2: 'a2'{{.*}} <== Memory access at offset return res == NULL; }