28 lines · cpp
1// RUN: %clangxx_asan -O0 %s -o %t2// RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s3// RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s4// RUN: %env_asan_opts=malloc_context_size=1:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s5// RUN: %env_asan_opts=malloc_context_size=1:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s6// RUN: %env_asan_opts=malloc_context_size=2 not %run %t 2>&1 | FileCheck %s --check-prefix=TWO7 8int main() {9 char *x = new char[20];10 delete[] x;11 return x[0];12 13 // CHECK: freed by thread T{{.*}} here:14 // CHECK-NEXT: #0 0x{{.*}} in {{operator delete( )?\[\]|_ZdaPv}}15 // CHECK-NOT: #1 0x{{.*}}16 17 // CHECK: previously allocated by thread T{{.*}} here:18 // CHECK-NEXT: #0 0x{{.*}} in {{operator new( )?\[\]|_Znam}}19 // CHECK-NOT: #1 0x{{.*}}20 21 // CHECK: SUMMARY: AddressSanitizer: heap-use-after-free22 23 // TWO: previously allocated by thread T{{.*}} here:24 // TWO-NEXT: #0 0x{{.*}}25 // TWO-NEXT: #1 0x{{.*}} in main {{.*}}malloc_context_size.cpp26 // TWO: SUMMARY: AddressSanitizer: heap-use-after-free27}28