src/compiler-rt/test/asan/TestCases/Darwin/suppressions-sandbox.cc

   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.