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.
36 lines
1.6 KiB
36 lines
1.6 KiB
4 months ago
|
// 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: stable-runtime
|
||
|
|
|
||
|
|
// Test use-after-free report in the case when access is at the right border of
|
||
|
|
// the allocation.
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
int main() {
|
||
|
|
volatile char *x = (char*)malloc(sizeof(char));
|
||
|
|
free((void*)x);
|
||
|
|
*x = 42;
|
||
|
|
// CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
|
||
|
|
// CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
|
||
|
|
// CHECK: {{WRITE of size 1 at 0x.* thread T0}}
|
||
|
|
// CHECK: {{ #0 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-4]]
|
||
|
|
// CHECK: {{0x.* is located 0 bytes inside of 1-byte region .0x.*,0x.*}}
|
||
|
|
// CHECK: {{freed by thread T0 here:}}
|
||
|
|
|
||
|
|
// CHECK-Linux: {{ #0 0x.* in .*free}}
|
||
|
|
// CHECK-Linux: {{ #1 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-10]]
|
||
|
|
|
||
|
|
// CHECK-Darwin: {{ #0 0x.* in wrap_free}}
|
||
|
|
// CHECK-Darwin: {{ #1 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-13]]
|
||
|
|
|
||
|
|
// CHECK: {{previously allocated by thread T0 here:}}
|
||
|
|
|
||
|
|
// CHECK-Linux: {{ #0 0x.* in .*malloc}}
|
||
|
|
// CHECK-Linux: {{ #1 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-19]]
|
||
|
|
|
||
|
|
// CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}}
|
||
|
|
// CHECK-Darwin: {{ #1 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-22]]
|
||
|
|
}
|