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authorAlexey Samsonov <samsonov@google.com>2014-02-14 14:06:10 +0000
committerAlexey Samsonov <samsonov@google.com>2014-02-14 14:06:10 +0000
commitba2d0d7b386f38c97eee11749f2fc75449c2b253 (patch)
tree645ce9b32dc3f7727d3bac94f8c3387d051b9c01 /test/asan/TestCases/deep_stack_uaf.cc
parent5811f0e1e955866b76b0d9ebeccd2e4755c1dac8 (diff)
Move ASan lit-tests under test/asan
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@201413 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/asan/TestCases/deep_stack_uaf.cc')
-rw-r--r--test/asan/TestCases/deep_stack_uaf.cc31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/asan/TestCases/deep_stack_uaf.cc b/test/asan/TestCases/deep_stack_uaf.cc
new file mode 100644
index 000000000..920411c4a
--- /dev/null
+++ b/test/asan/TestCases/deep_stack_uaf.cc
@@ -0,0 +1,31 @@
+// Check that we can store lots of stack frames if asked to.
+
+// RUN: %clangxx_asan -O0 %s -o %t 2>&1
+// RUN: ASAN_OPTIONS=malloc_context_size=120:redzone=512 not %t 2>&1 | FileCheck %s
+#include <stdlib.h>
+#include <stdio.h>
+
+template <int depth>
+struct DeepFree {
+ static void free(char *x) {
+ DeepFree<depth - 1>::free(x);
+ }
+};
+
+template<>
+struct DeepFree<0> {
+ static void free(char *x) {
+ ::free(x);
+ }
+};
+
+int main() {
+ char *x = (char*)malloc(10);
+ // deep_free(x);
+ DeepFree<200>::free(x);
+ return x[5];
+ // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
+ // CHECK: DeepFree<36>
+ // CHECK: DeepFree<98>
+ // CHECK: DeepFree<115>
+}