linux-kernel - [PATCH 1/2] inotify: stop kernel memory leak on file creation failure

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Message-Id: <1290575499-32724-1-git-send-email-eparis@redhat.com>
Date:	Wed, 24 Nov 2010 00:11:38 -0500
From:	Eric Paris <eparis@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	viro@...iv.linux.org.uk, eugene@...hat.com,
	vegard.nossum@...il.com, Eric Paris <eparis@...hat.com>
Subject: [PATCH 1/2] inotify: stop kernel memory leak on file creation failure

If inotify_init is unable to allocate a new file for the new inotify
group we leak the new group.  This patch drops the reference on the
group on file allocation failure.

Reported-by: Vegard Nossum <vegard.nossum@...il.com>
Signed-off-by: Eric Paris <eparis@...hat.com>
---
 fs/notify/inotify/inotify_user.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 444c305..4cd5d5d 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -752,6 +752,7 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
 	if (ret >= 0)
 		return ret;
 
+	fsnotify_put_group(group);
 	atomic_dec(&user->inotify_devs);
 out_free_uid:
 	free_uid(user);
-- 
1.7.1

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