1 // RUN: %clangxx_asan -O0 %s -o %t && not %t 2>%t.out 2 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 3 // RUN: %clangxx_asan -O1 %s -o %t && not %t 2>%t.out 4 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 5 // RUN: %clangxx_asan -O2 %s -o %t && not %t 2>%t.out 6 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 7 // RUN: %clangxx_asan -O3 %s -o %t && not %t 2>%t.out 8 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 9 10 #include <stdlib.h> 11 int main() { 12 char *x = (char*)malloc(10 * sizeof(char)); 13 free(x); 14 return x[5]; 15 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} 16 // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} 17 // CHECK: {{READ of size 1 at 0x.* thread T0}} 18 // CHECK: {{ #0 0x.* in main .*use-after-free.cc:14}} 19 // CHECK: {{0x.* is located 5 bytes inside of 10-byte region .0x.*,0x.*}} 20 // CHECK: {{freed by thread T0 here:}} 21 22 // CHECK-Linux: {{ #0 0x.* in .*free}} 23 // CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cc:13}} 24 25 // CHECK-Darwin: {{ #0 0x.* in wrap_free}} 26 // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free.cc:13}} 27 28 // CHECK: {{previously allocated by thread T0 here:}} 29 30 // CHECK-Linux: {{ #0 0x.* in .*malloc}} 31 // CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cc:12}} 32 33 // CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}} 34 // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free.cc:12}} 35 } 36
