1 // Check that when the program closed its std(in|out|err), running the external
2 // symbolizer still works.
3 
4 // RUN: rm -f %t.log.*
5 // RUN: %clangxx_asan -O0 %s -o %t
6 // RUN: %env_asan_opts=log_path='"%t.log"':verbosity=2 not %run %t
7 // RUN: FileCheck %s --check-prefix=CHECK-FILE < %t.log.*
8 
9 // FIXME: copy %t.log back from the device and re-enable on Android.
10 // UNSUPPORTED: android
11 // UNSUPPORTED: ios
12 
13 #include <assert.h>
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <string.h>
17 #include <unistd.h>
18 
main(int argc,char ** argv)19 int main(int argc, char **argv) {
20   int result = fprintf(stderr, "Closing streams.\n");
21   assert(result > 0);
22   close(STDIN_FILENO);
23   close(STDOUT_FILENO);
24   close(STDERR_FILENO);
25   result = fprintf(stderr, "Can you hear me now?\n");
26   assert(result < 0);
27   char *x = (char *)malloc(10 * sizeof(char));
28   free(x);
29   x[argc] = 'X';  // BOOM
30   // CHECK-FILE: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
31   // CHECK-FILE:   {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
32   // CHECK-FILE: {{WRITE of size 1 at 0x.* thread T0}}
33   // CHECK-FILE: {{    #0 0x.* in main .*closed-fds.cpp:}}[[@LINE-4]]
34   return 0;
35 }
36