diff options
Diffstat (limited to 'test/asan/TestCases/Windows/realloc_uaf.cc')
| -rw-r--r-- | test/asan/TestCases/Windows/realloc_uaf.cc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/asan/TestCases/Windows/realloc_uaf.cc b/test/asan/TestCases/Windows/realloc_uaf.cc new file mode 100644 index 000000000000..c5b6953cf76a --- /dev/null +++ b/test/asan/TestCases/Windows/realloc_uaf.cc @@ -0,0 +1,20 @@ +// RUN: %clang_cl_asan -O0 %s -Fe%t +// RUN: not %run %t 2>&1 | FileCheck %s + +#include <malloc.h> + +int main() { + char *buffer = (char*)realloc(0, 42); + free(buffer); + buffer[0] = 42; +// CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]] +// CHECK: WRITE of size 1 at [[ADDR]] thread T0 +// CHECK-NEXT: {{#0 .* main .*realloc_uaf.cc}}:[[@LINE-3]] +// CHECK: [[ADDR]] is located 0 bytes inside of 42-byte region +// CHECK: freed by thread T0 here: +// CHECK-NEXT: {{#0 .* free }} +// CHECK-NEXT: {{#1 .* main .*realloc_uaf.cc}}:[[@LINE-8]] +// CHECK: previously allocated by thread T0 here: +// CHECK-NEXT: {{#0 .* realloc }} +// CHECK-NEXT: {{#1 .* main .*realloc_uaf.cc}}:[[@LINE-12]] +} |