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// RUN: %clangxx_asan -O0 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O1 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O2 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O3 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// REQUIRES: compiler-rt-optimized
#include <string.h>
#include <stdlib.h>
int main(int argc, char **argv) {
char *hello = (char*)malloc(6);
strcpy(hello, "hello");
char *short_buffer = (char*)malloc(9);
strncpy(short_buffer, hello, 10); // BOOM
// CHECK: {{WRITE of size 10 at 0x.* thread T0}}
// CHECK-Linux: {{ #0 0x.* in .*strncpy}}
// CHECK-Darwin: {{ #0 0x.* in wrap_strncpy}}
// CHECK: {{ #1 0x.* in main .*strncpy-overflow.cc:}}[[@LINE-4]]
// CHECK: {{0x.* is located 0 bytes to the right of 9-byte region}}
// CHECK: {{allocated by thread T0 here:}}
// CHECK-Linux: {{ #0 0x.* in .*malloc}}
// CHECK-Linux: {{ #1 0x.* in main .*strncpy-overflow.cc:}}[[@LINE-10]]
// CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}}
// CHECK-Darwin: {{ #1 0x.* in main .*strncpy-overflow.cc:}}[[@LINE-13]]
return short_buffer[8];
}
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