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-rw-r--r--test/asan/TestCases/deep_stack_uaf.cc36
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diff --git a/test/asan/TestCases/deep_stack_uaf.cc b/test/asan/TestCases/deep_stack_uaf.cc
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+++ b/test/asan/TestCases/deep_stack_uaf.cc
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+// Check that we can store lots of stack frames if asked to.
+
+// RUN: %clangxx_asan -O0 %s -o %t 2>&1
+// RUN: env ASAN_OPTIONS=malloc_context_size=120:redzone=512 not %run %t 2>&1 | FileCheck %s
+// XFAIL: arm-linux-gnueabi
+// XFAIL: armv7l-unknown-linux-gnueabihf
+#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}}
+ // The libcxxrt demangling procedure on FreeBSD 9.2 incorrectly appends
+ // extra 'E' characters to the end of template arguments; see:
+ // https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192115
+ // CHECK: {{DeepFree<36>|DeepFree<36E>}}
+ // CHECK: {{DeepFree<98>|DeepFree<98E>}}
+ // CHECK: {{DeepFree<115>|DeepFree<115E>}}
+}