1 // Check that without suppressions, we catch the issue. 2 // RUN: %clangxx_asan -O0 %s -o %t -framework Foundation 3 // RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s 4 5 // Check that suppressing a function name works within a no-fork sandbox 6 // RUN: echo "interceptor_via_fun:CFStringCreateWithBytes" > %t.supp 7 // RUN: %env_asan_opts=suppressions='"%t.supp"' \ 8 // RUN: sandbox-exec -p '(version 1)(allow default)(deny process-fork)' \ 9 // RUN: %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s 10 11 #include <CoreFoundation/CoreFoundation.h> 12 13 int main() { 14 char *a = (char *)malloc(6); 15 strcpy(a, "hello"); 16 CFStringRef str = 17 CFStringCreateWithBytes(kCFAllocatorDefault, (unsigned char *)a, 10, 18 kCFStringEncodingUTF8, FALSE); // BOOM 19 fprintf(stderr, "Ignored.\n"); 20 free(a); 21 } 22 23 // CHECK-CRASH: AddressSanitizer: heap-buffer-overflow 24 // CHECK-CRASH-NOT: Ignored. 25 // CHECK-IGNORE-NOT: AddressSanitizer: heap-buffer-overflow 26 // CHECK-IGNORE: Ignored. 27