compiler-rt/test/asan/TestCases/Darwin/suppressions-sandbox.cpp

   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 // sandbox-exec isn't available on iOS
  12 // UNSUPPORTED: ios
  13
  14 #include <CoreFoundation/CoreFoundation.h>
  15
  16 int main() {
  17   char *a = (char *)malloc(6);
  18   strcpy(a, "hello");
  19   CFStringRef str =
  20       CFStringCreateWithBytes(kCFAllocatorDefault, (unsigned char *)a, 10,
  21                               kCFStringEncodingUTF8, FALSE);  // BOOM
  22   fprintf(stderr, "Ignored.\n");
  23   free(a);
  24   CFRelease(str);
  25 }
  26
  27 // CHECK-CRASH: AddressSanitizer: heap-buffer-overflow
  28 // CHECK-CRASH-NOT: Ignored.
  29 // CHECK-IGNORE-NOT: AddressSanitizer: heap-buffer-overflow
  30 // CHECK-IGNORE: Ignored.