[PATCH] selftests/memfd/memfd_test: Fix possible NULL pointer dereference

If name is NULL, a NULL pointer may be accessed in printf.

Signed-off-by: liuye liuye@kylinos.cn --- tools/testing/selftests/memfd/memfd_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c index c0c53451a16d..5b993924cc3f 100644 --- a/tools/testing/selftests/memfd/memfd_test.c +++ b/tools/testing/selftests/memfd/memfd_test.c @@ -171,7 +171,7 @@ static void mfd_fail_new(const char *name, unsigned int flags) r = sys_memfd_create(name, flags); if (r >= 0) { printf("memfd_create("%s", %u) succeeded, but failure expected\n", - name, flags); + name ? name : "NULL", flags); close(r); abort(); }