diff options
| author | liuye <liuye@kylinos.cn> | 2025-01-14 11:21:15 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-01-25 20:22:44 -0800 |
| commit | 73519ded992fc9dda2807450d6931002bb93cb16 (patch) | |
| tree | 620279889d311e300562967f435c4cffe2f0d619 /tools/testing | |
| parent | d94d23fdd7529f1f3218235d1e0a69e9856907b7 (diff) | |
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: liuye <liuye@kylinos.cn>
Reviewed-by: Lorenzo 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: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/memfd/memfd_test.c | 2 |
1 files changed, 1 insertions, 1 deletions
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(); } |