compiler-rt/test/asan/TestCases/suppressions-interceptor.cpp

   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