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 10:19:50 -0800 |
| commit | 9ef9a7c717299c9c57cba7a246462bf1c342118a (patch) | |
| tree | 86f2618e55c3a84538bd79290ebc3ea123da911c /kernel | |
| parent | dffaea5bd7145629d54ba57a49366bbd8157ddef (diff) | |
| download | lwn-9ef9a7c717299c9c57cba7a246462bf1c342118a.tar.gz lwn-9ef9a7c717299c9c57cba7a246462bf1c342118a.zip | |
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 b36aa9651ba2..4b05bd9479db 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -373,15 +373,17 @@ 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) { @@ -425,7 +427,8 @@ 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; } |