Commit 73519ded authored by liuye's avatar liuye Committed by Andrew Morton
Browse files

selftests/memfd/memfd_test: fix possible NULL pointer dereference 

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

Link: https://lkml.kernel.org/r/20250114032115.58638-1-liuye@kylinos.cn


Signed-off-by: default avatarliuye <liuye@kylinos.cn>
Reviewed-by: default avatarLorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: "Isaac J. Manjarres" <isaacmanjarres@google.com>
Cc: Jeff Xu <jeffxu@google.com>
Cc: Saurav Shah <sauravshah.31@gmail.com>
Cc: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent d94d23fd

tools/testing/selftests/memfd/memfd_test.c

+1 −1
Original line number Diff line number Diff line
@@ -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();

	}