summaryrefslogtreecommitdiff
path: root/test
diff options
context:
space:
mode:
Diffstat (limited to 'test')
-rw-r--r--test/hwasan/TestCases/use-after-free.cc29
1 files changed, 20 insertions, 9 deletions
diff --git a/test/hwasan/TestCases/use-after-free.cc b/test/hwasan/TestCases/use-after-free.cc
index a4433b8de..37637898d 100644
--- a/test/hwasan/TestCases/use-after-free.cc
+++ b/test/hwasan/TestCases/use-after-free.cc
@@ -1,7 +1,10 @@
-// RUN: %clangxx_hwasan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
-// RUN: %clangxx_hwasan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
-// RUN: %clangxx_hwasan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
-// RUN: %clangxx_hwasan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
+// RUN: %clangxx_hwasan -O0 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
+// RUN: %clangxx_hwasan -O1 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
+// RUN: %clangxx_hwasan -O2 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
+// RUN: %clangxx_hwasan -O3 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
+
+// RUN: %clangxx_hwasan -O0 -DSTORE %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,STORE
+
// REQUIRES: stable-runtime
#include <stdlib.h>
@@ -9,20 +12,28 @@
int main() {
__hwasan_enable_allocator_tagging();
- char *x = (char*)malloc(10);
+ char * volatile x = (char*)malloc(10);
free(x);
__hwasan_disable_allocator_tagging();
+#ifdef STORE
+ x[5] = 42;
+#endif
+#ifdef LOAD
return x[5];
- // CHECK: READ of size 1 at
- // CHECK: #0 {{.*}} in main {{.*}}use-after-free.cc:15
+#endif
+ // LOAD: READ of size 1 at
+ // LOAD: #0 {{.*}} in main {{.*}}use-after-free.cc:22
+
+ // STORE: WRITE of size 1 at
+ // STORE: #0 {{.*}} in main {{.*}}use-after-free.cc:19
// CHECK: freed here:
// CHECK: #0 {{.*}} in free {{.*}}hwasan_interceptors.cc
- // CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:13
+ // CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:16
// CHECK: previously allocated here:
// CHECK: #0 {{.*}} in __interceptor_malloc {{.*}}hwasan_interceptors.cc
- // CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:12
+ // CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:15
// CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in main
}