src/compiler-rt/test/sanitizer_common/TestCases/Posix/sanitizer_set_report_fd_test.cc

   1 // Test __sanitizer_set_report_fd:
   2 // RUN: %clangxx -O2 %s -o %t
   3 // RUN: not %run %t 2>&1   | FileCheck %s
   4 // RUN: not %run %t stdout | FileCheck %s
   5 // RUN: not %run %t %t-out && FileCheck < %t-out %s
   6
   7 // REQUIRES: stable-runtime
   8 // FIXME: implement SEGV handler in other sanitizers, not just asan.
   9 // XFAIL: msan
  10 // XFAIL: lsan
  11 // XFAIL: tsan
  12
  13 #include <sanitizer/common_interface_defs.h>
  14 #include <stdio.h>
  15 #include <string.h>
  16 #include <stdlib.h>
  17 #include <sys/types.h>
  18 #include <sys/stat.h>
  19 #include <fcntl.h>
  20 #include <assert.h>
  21
  22 volatile int *null = 0;
  23
  24 int main(int argc, char **argv) {
  25   if (argc == 2) {
  26     if (!strcmp(argv[1], "stdout")) {
  27       __sanitizer_set_report_fd(reinterpret_cast<void*>(1));
  28     } else {
  29       int fd = open(argv[1], O_CREAT | O_WRONLY | O_TRUNC, S_IRWXU);
  30       assert(fd > 0);
  31       __sanitizer_set_report_fd(reinterpret_cast<void*>(fd));
  32     }
  33   }
  34   *null = 0;
  35 }
  36
  37 // CHECK: ERROR: {{.*}} SEGV on unknown address