diff options
Diffstat (limited to 'lib/lsan/lit_tests/TestCases/pointer_to_self.cc')
| -rw-r--r-- | lib/lsan/lit_tests/TestCases/pointer_to_self.cc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/lsan/lit_tests/TestCases/pointer_to_self.cc b/lib/lsan/lit_tests/TestCases/pointer_to_self.cc new file mode 100644 index 000000000000..0d2818d2fa1d --- /dev/null +++ b/lib/lsan/lit_tests/TestCases/pointer_to_self.cc @@ -0,0 +1,18 @@ +// Regression test: pointers to self should not confuse LSan into thinking the +// object is indirectly leaked. Only external pointers count. +// RUN: LSAN_BASE="report_objects=1:use_registers=0" +// RUN: %clangxx_lsan %s -o %t +// RUN: LSAN_OPTIONS=$LSAN_BASE:"use_stacks=0" not %t 2>&1 | FileCheck %s + +#include <stdio.h> +#include <stdlib.h> + +int main() { + void *p = malloc(1337); + *reinterpret_cast<void **>(p) = p; + fprintf(stderr, "Test alloc: %p.\n", p); +} +// CHECK: Test alloc: [[ADDR:.*]]. +// CHECK: Directly leaked 1337 byte object at [[ADDR]] +// CHECK: LeakSanitizer: detected memory leaks +// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: |