File: operator_new_left_oob.cc

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (17 lines) | stat: -rw-r--r-- 580 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
// RUN: %clang_cl_asan -O0 %s -Fe%t
// RUN: not %run %t 2>&1 | FileCheck %s

#include <windows.h>

int main() {
  char *buffer = new char;
  buffer[-1] = 42;
// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
// CHECK: WRITE of size 1 at [[ADDR]] thread T0
// CHECK:   {{#0 .* main .*operator_new_left_oob.cc}}:[[@LINE-3]]
// CHECK: [[ADDR]] is located 1 bytes to the left of 1-byte region
// CHECK: allocated by thread T0 here:
// CHECK:   {{#0 .* operator new }}
// CHECK:   {{#1 .* main .*operator_new_left_oob.cc}}:[[@LINE-8]]
  delete buffer;
}