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 2>&1 && ASAN_OPTIONS=log_path=%t.log:verbosity=2 not %run %t 2>&1
6 // RUN: FileCheck %s --check-prefix=CHECK-FILE < %t.log.*
7 
8 #include <assert.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <unistd.h>
13 
main(int argc,char ** argv)14 int main(int argc, char **argv) {
15   int result = fprintf(stderr, "Closing streams.\n");
16   assert(result > 0);
17   close(STDIN_FILENO);
18   close(STDOUT_FILENO);
19   close(STDERR_FILENO);
20   result = fprintf(stderr, "Can you hear me now?\n");
21   assert(result < 0);
22   char *x = (char *)malloc(10 * sizeof(char));
23   free(x);
24   x[argc] = 'X';  // BOOM
25   // CHECK-FILE: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
26   // CHECK-FILE:   {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
27   // CHECK-FILE: {{WRITE of size 1 at 0x.* thread T0}}
28   // CHECK-FILE: {{    #0 0x.* in main .*closed-fds.cc:}}[[@LINE-4]]
29   return 0;
30 }
31