35 lines
860 B
C++
35 lines
860 B
C++
// RUN: %clangxx_asan -g %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-FWRITE
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// RUN: not %run %t 1 2>&1 | FileCheck %s --check-prefix=CHECK-FREAD
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#include <stdio.h>
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#include <stdlib.h>
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int test_fread() {
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FILE *f = fopen("/dev/zero", "r");
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char buf[2];
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fread(buf, sizeof(buf), 2, f); // BOOM
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fclose(f);
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return 0;
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}
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int test_fwrite() {
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FILE *f = fopen("/dev/null", "w");
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char buf[2];
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fwrite(buf, sizeof(buf), 2, f); // BOOM
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return fclose(f);
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}
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int main(int argc, char *argv[]) {
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if (argc > 1)
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test_fread();
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else
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test_fwrite();
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return 0;
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}
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// CHECK-FREAD: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}}
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// CHECK-FREAD: #{{.*}} in {{(wrap_|__interceptor_)?}}fread
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// CHECK-FWRITE: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}}
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// CHECK-FWRITE: #{{.*}} in {{(wrap_|__interceptor_)?}}fwrite
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