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36 lines
1.1 KiB
36 lines
1.1 KiB
4 months ago
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// Check that when the program closed its std(in|out|err), running the external
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// symbolizer still works.
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// RUN: rm -f %t.log.*
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// RUN: %clangxx_asan -O0 %s -o %t
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// RUN: %env_asan_opts=log_path='"%t.log"':verbosity=2 not %run %t
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// RUN: FileCheck %s --check-prefix=CHECK-FILE < %t.log.*
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// FIXME: copy %t.log back from the device and re-enable on Android.
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// UNSUPPORTED: android
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// UNSUPPORTED: ios
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int main(int argc, char **argv) {
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int result = fprintf(stderr, "Closing streams.\n");
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assert(result > 0);
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close(STDIN_FILENO);
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close(STDOUT_FILENO);
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close(STDERR_FILENO);
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result = fprintf(stderr, "Can you hear me now?\n");
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assert(result < 0);
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char *x = (char *)malloc(10 * sizeof(char));
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free(x);
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x[argc] = 'X'; // BOOM
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// CHECK-FILE: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
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// CHECK-FILE: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
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// CHECK-FILE: {{WRITE of size 1 at 0x.* thread T0}}
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// CHECK-FILE: {{ #0 0x.* in main .*closed-fds.cpp:}}[[@LINE-4]]
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return 0;
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}
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