Files
clang-p2996/compiler-rt/test/asan/TestCases/Linux/malloc_delete_mismatch.cc
Renato Golin 2b9d742ae7 [ARM|ASAN] Disabling more unstable ASAN tests
We're seeying these errors with GCC and Clang on different systems, while
some other identical OSs on different boards fail. Like many other ASAN
tests, there seem to be no easy way to investigate this other than someone
familiar with the sanitizer code and the ARM libraries.

At least, for now, we'll silence the bots. I'll create a bugzilla entry.

llvm-svn: 287464
2016-11-19 21:19:19 +00:00

33 lines
1.2 KiB
C++

// 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
// REQUIRES: stable-runtime
#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