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author | Alexey Samsonov <samsonov@google.com> | 2013-11-05 23:29:12 +0000 |
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committer | Alexey Samsonov <samsonov@google.com> | 2013-11-05 23:29:12 +0000 |
commit | 4b9f050c2acab536356342ab96e6cc76c281ac24 (patch) | |
tree | 555a6b13e1541e05d0937598b30ccab3724d2b4d /lib/asan/lit_tests/TestCases/malloc_context_size.cc | |
parent | 4197fa23ada9682343a15b68dde08c0249db172a (diff) | |
download | compiler-rt-4b9f050c2acab536356342ab96e6cc76c281ac24.tar.gz compiler-rt-4b9f050c2acab536356342ab96e6cc76c281ac24.tar.bz2 compiler-rt-4b9f050c2acab536356342ab96e6cc76c281ac24.tar.xz |
[ASan] Make sure slow stack unwinder doesn't return empty stacks.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@194107 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/asan/lit_tests/TestCases/malloc_context_size.cc')
-rw-r--r-- | lib/asan/lit_tests/TestCases/malloc_context_size.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/malloc_context_size.cc b/lib/asan/lit_tests/TestCases/malloc_context_size.cc new file mode 100644 index 00000000..7449dbe2 --- /dev/null +++ b/lib/asan/lit_tests/TestCases/malloc_context_size.cc @@ -0,0 +1,19 @@ +// RUN: %clangxx_asan -O0 %s -o %t +// RUN: ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=0 not %t 2>&1 | FileCheck %s +// RUN: ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=1 not %t 2>&1 | FileCheck %s +// RUN: ASAN_OPTIONS=malloc_context_size=1:fast_unwind_on_malloc=0 not %t 2>&1 | FileCheck %s +// RUN: ASAN_OPTIONS=malloc_context_size=1:fast_unwind_on_malloc=1 not %t 2>&1 | FileCheck %s + +int main() { + char *x = new char[20]; + delete[] x; + return x[0]; + // CHECK: freed by thread T{{.*}} here: + // CHECK-NEXT: #0 0x{{.*}} in operator delete[] + // CHECK-NOT: #1 0x{{.*}} + // CHECK: previously allocated by thread T{{.*}} here: + // CHECK-NEXT: #0 0x{{.*}} in operator new[] + // CHECK-NOT: #1 0x{{.*}} + + // CHECK: SUMMARY: AddressSanitizer: heap-use-after-free +} |