| // Check that we detect malloc/delete mismatch only if the approptiate flag |
| // is set. |
| |
| // RUN: %clangxx_asan -g %s -o %t 2>&1 |
| |
| // Find error and provide malloc context. |
| // RUN: %env_asan_opts=alloc_dealloc_mismatch=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=ALLOC-STACK |
| |
| // No error here. |
| // RUN: %env_asan_opts=alloc_dealloc_mismatch=0 %run %t |
| |
| // Also works if no malloc context is available. |
| // RUN: %env_asan_opts=alloc_dealloc_mismatch=1:malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=alloc_dealloc_mismatch=1:malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s |
| // XFAIL: arm-linux-gnueabi |
| // XFAIL: armv7l-unknown-linux-gnueabihf |
| #include <stdlib.h> |
| |
| static volatile char *x; |
| |
| int main() { |
| x = (char*)malloc(10); |
| x[0] = 0; |
| delete x; |
| } |
| // CHECK: ERROR: AddressSanitizer: alloc-dealloc-mismatch (malloc vs operator delete) on 0x |
| // CHECK-NEXT: #0{{.*}}operator delete |
| // CHECK: #{{.*}}main |
| // CHECK: is located 0 bytes inside of 10-byte region |
| // CHECK-NEXT: allocated by thread T0 here: |
| // ALLOC-STACK-NEXT: #0{{.*}}malloc |
| // ALLOC-STACK: #{{.*}}main |
| // CHECK: HINT: {{.*}} you may set ASAN_OPTIONS=alloc_dealloc_mismatch=0 |
