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