1 // Check that without suppressions, we catch the issue. 2 // RUN: %clangxx_asan -O0 %s -o %t 3 // RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s 4 5 // RUN: echo "interceptor_name:strlen" > %t.supp 6 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s 7 8 // XFAIL: android 9 10 #include <stdio.h> 11 #include <stdlib.h> 12 #include <string.h> 13 14 int main() { 15 char *a = (char *)malloc(6); 16 free(a); 17 size_t len = strlen(a); // BOOM 18 fprintf(stderr, "strlen ignored, len = %zu\n", len); 19 } 20 21 // CHECK-CRASH: AddressSanitizer: heap-use-after-free 22 // CHECK-CRASH-NOT: strlen ignored 23 // CHECK-IGNORE-NOT: AddressSanitizer: heap-use-after-free 24 // CHECK-IGNORE: strlen ignored 25