You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
1.3 KiB
30 lines
1.3 KiB
// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
|
|
// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
|
|
// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
|
|
// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
|
|
|
|
// REQUIRES: compiler-rt-optimized
|
|
// REQUIRES: stable-runtime
|
|
|
|
#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.cpp:}}[[@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.cpp:}}[[@LINE-10]]
|
|
|
|
// CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}}
|
|
// CHECK-Darwin: {{ #1 0x.* in main .*strncpy-overflow.cpp:}}[[@LINE-13]]
|
|
return short_buffer[8];
|
|
}
|