36 lines · cpp
1// Check that when the program closed its std(in|out|err), running the external2// symbolizer still works.3 4// RUN: rm -f %t.log.*5// RUN: %clangxx_asan -O0 %s -o %t6// RUN: %env_asan_opts=log_path='"%t.log"':verbosity=2 not %run %t7// 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: android11// UNSUPPORTED: ios12 13#include <assert.h>14#include <stdio.h>15#include <stdlib.h>16#include <string.h>17#include <unistd.h>18 19int 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'; // BOOM30 // 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