| // RUN: %clang_asan -m64 -O2 %s -o %t |
| // RUN: %t 2>&1 | %symbolizer | c++filt > %t.output |
| // RUN: FileCheck %s < %t.output |
| // RUN: FileCheck %s --check-prefix=CHECK-%os < %t.output |
| |
| #include <stdlib.h> |
| int main() { |
| char *x = (char*)malloc(10 * sizeof(char)); |
| free(x); |
| return x[5]; |
| // CHECK: {{.*ERROR: AddressSanitizer heap-use-after-free on address}} |
| // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} |
| // CHECK: {{READ of size 1 at 0x.* thread T0}} |
| // CHECK: {{ #0 0x.* in main .*use-after-free.cc:10}} |
| // CHECK: {{0x.* is located 5 bytes inside of 10-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.cc:9}} |
| |
| // CHECK-Darwin: {{ #0 0x.* in .*mz_free.*}} |
| // We override free() on Darwin, thus no malloc_zone_free |
| // CHECK-Darwin: {{ #1 0x.* in wrap_free}} |
| // CHECK-Darwin: {{ #2 0x.* in main .*use-after-free.cc:9}} |
| |
| // CHECK: {{previously allocated by thread T0 here:}} |
| |
| // CHECK-Linux: {{ #0 0x.* in .*malloc}} |
| // CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cc:8}} |
| |
| // CHECK-Darwin: {{ #0 0x.* in .*mz_malloc.*}} |
| // CHECK-Darwin: {{ #1 0x.* in malloc_zone_malloc.*}} |
| // CHECK-Darwin: {{ #2 0x.* in malloc.*}} |
| // CHECK-Darwin: {{ #3 0x.* in main .*use-after-free.cc:8}} |
| } |