18 lines
591 B
C++
18 lines
591 B
C++
|
// RUN: %clang_cl_asan -O0 %s -Fe%t
|
||
|
|
// RUN: not %run %t 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
#include <malloc.h>
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
int *buffer = (int*)calloc(42, sizeof(int));
|
||
|
|
buffer[-1] = 42;
|
||
|
|
// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
|
||
|
|
// CHECK: WRITE of size 4 at [[ADDR]] thread T0
|
||
|
|
// CHECK-NEXT: {{#0 .* main .*calloc_left_oob.cc}}:[[@LINE-3]]
|
||
|
|
// CHECK: [[ADDR]] is located 4 bytes to the left of 168-byte region
|
||
|
|
// CHECK: allocated by thread T0 here:
|
||
|
|
// CHECK-NEXT: {{#0 .* calloc }}
|
||
|
|
// CHECK-NEXT: {{#1 .* main .*calloc_left_oob.cc}}:[[@LINE-8]]
|
||
|
|
free(buffer);
|
||
|
|
}
|