diff options
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index fb66ed2e97cf..e7a7dcab81db 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3587,10 +3587,13 @@ static int selinux_kernfs_init_security(struct kernfs_node *kn_dir, newsid = tsec->create_sid; } else { u16 secclass = inode_mode_to_security_class(kn->mode); + const char *kn_name; struct qstr q; - q.name = kn->name; - q.hash_len = hashlen_string(kn_dir, kn->name); + /* kn is fresh, can't be renamed, name goes not away */ + kn_name = rcu_dereference_check(kn->name, true); + q.name = kn_name; + q.hash_len = hashlen_string(kn_dir, kn_name); rc = security_transition_sid(tsec->sid, parent_sid, secclass, &q, |