6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Max Kellermann <max.kellermann@xxxxxxxxx>
commit c5cf420303256dcd6ff175643e9e9558543c2047 upstream.
get_current_cred() increments the reference counter, but the
put_cred() call was missing.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 596afb0b8933 ("ceph: add ceph_mds_check_access() helper")
Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
Reviewed-by: Xiubo Li <xiubli@xxxxxxxxxx>
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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) {
