get_current_cred() increments the reference counter, but the put_cred() call was missing.
Fixes: 596afb0b8933 ("ceph: add ceph_mds_check_access() helper") Cc: stable@vger.kernel.org Signed-off-by: Max Kellermann max.kellermann@ionos.com --- fs/ceph/mds_client.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index e8a5994de8b6..35d83c8c2874 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -5742,6 +5742,7 @@ int ceph_mds_check_access(struct ceph_mds_client *mdsc, char *tpath, int mask)
err = ceph_mds_auth_match(mdsc, s, cred, tpath); if (err < 0) { + put_cred(cred); return err; } else if (err > 0) { /* always follow the last auth caps' permision */ @@ -5757,6 +5758,8 @@ int ceph_mds_check_access(struct ceph_mds_client *mdsc, char *tpath, int mask) } }
+ put_cred(cred); + doutc(cl, "root_squash_perms %d, rw_perms_s %p\n", root_squash_perms, rw_perms_s); if (root_squash_perms && rw_perms_s == NULL) {