6.12-stable review patch. If anyone has any objections, please let me know.
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From: Max Kellermann max.kellermann@ionos.com
commit c5cf420303256dcd6ff175643e9e9558543c2047 upstream.
get_current_cred() increments the reference counter, but the put_cred() call was missing.
Cc: stable@vger.kernel.org Fixes: 596afb0b8933 ("ceph: add ceph_mds_check_access() helper") Signed-off-by: Max Kellermann max.kellermann@ionos.com Reviewed-by: Xiubo Li xiubli@redhat.com Signed-off-by: Ilya Dryomov idryomov@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/ceph/mds_client.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -5736,6 +5736,7 @@ int ceph_mds_check_access(struct ceph_md
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 */ @@ -5751,6 +5752,8 @@ int ceph_mds_check_access(struct ceph_md } }
+ 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) {