blob: 61673b348e40309391d869469f027b8b96492b1f [file] [log] [blame]
// 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}}
}