diff options
| author | Al Viro <viro@ZenIV.linux.org.uk> | 2009-12-19 16:03:30 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-01-18 10:33:58 -0800 |
| commit | 6f5195525e548d474a77ce00baa927e5c7ed6976 (patch) | |
| tree | 7d0331b8c73bae5b85e4d2b59de1299db50f9648 /kernel | |
| parent | 0ad8dbec4622c3eef0abe019b9f036ff6a12f277 (diff) | |
fix more leaks in audit_tree.c tag_chunk()
commit b4c30aad39805902cf5b855aa8a8b22d728ad057 upstream.
Several leaks in audit_tree didn't get caught by commit
318b6d3d7ddbcad3d6867e630711b8a705d873d7, including the leak on normal
exit in case of multiple rules refering to the same chunk.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/audit_tree.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 053ab6c0aa3..ef96b290abd 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -372,15 +372,17 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) for (n = 0; n < old->count; n++) { if (old->owners[n].owner == tree) { spin_unlock(&hash_lock); - put_inotify_watch(watch); + put_inotify_watch(&old->watch); return 0; } } spin_unlock(&hash_lock); chunk = alloc_chunk(old->count + 1); - if (!chunk) + if (!chunk) { + put_inotify_watch(&old->watch); return -ENOMEM; + } mutex_lock(&inode->inotify_mutex); if (inotify_clone_watch(&old->watch, &chunk->watch) < 0) { @@ -422,7 +424,8 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree) spin_unlock(&hash_lock); inotify_evict_watch(&old->watch); mutex_unlock(&inode->inotify_mutex); - put_inotify_watch(&old->watch); + put_inotify_watch(&old->watch); /* pair to inotify_find_watch */ + put_inotify_watch(&old->watch); /* and kill it */ return 0; } |