diff options
Diffstat (limited to 'security/lsm_audit.c')
| -rw-r--r-- | security/lsm_audit.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/security/lsm_audit.c b/security/lsm_audit.c index 7d8026f3f377..82ce14933513 100644 --- a/security/lsm_audit.c +++ b/security/lsm_audit.c @@ -275,7 +275,9 @@ static void dump_common_audit_data(struct audit_buffer *ab, struct inode *inode; audit_log_format(ab, " name="); + spin_lock(&a->u.dentry->d_lock); audit_log_untrustedstring(ab, a->u.dentry->d_name.name); + spin_unlock(&a->u.dentry->d_lock); inode = d_backing_inode(a->u.dentry); if (inode) { @@ -289,17 +291,19 @@ static void dump_common_audit_data(struct audit_buffer *ab, struct dentry *dentry; struct inode *inode; + rcu_read_lock(); inode = a->u.inode; - dentry = d_find_alias(inode); + dentry = d_find_alias_rcu(inode); if (dentry) { audit_log_format(ab, " name="); - audit_log_untrustedstring(ab, - dentry->d_name.name); - dput(dentry); + spin_lock(&dentry->d_lock); + audit_log_untrustedstring(ab, dentry->d_name.name); + spin_unlock(&dentry->d_lock); } audit_log_format(ab, " dev="); audit_log_untrustedstring(ab, inode->i_sb->s_id); audit_log_format(ab, " ino=%lu", inode->i_ino); + rcu_read_unlock(); break; } case LSM_AUDIT_DATA_TASK: { |