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