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From: Eric Paris <eparis@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: viro@zeniv.linux.org.uk, eugene@redhat.com,
	vegard.nossum@gmail.com, Eric Paris <eparis@redhat.com>
Subject: [PATCH 1/2] inotify: stop kernel memory leak on file creation failure
Date: Wed, 24 Nov 2010 00:11:38 -0500	[thread overview]
Message-ID: <1290575499-32724-1-git-send-email-eparis@redhat.com> (raw)

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@gmail.com>
Signed-off-by: Eric Paris <eparis@redhat.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


             reply	other threads:[~2010-11-24  5:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-24  5:11 Eric Paris [this message]
2010-11-24  5:11 ` [PATCH 2/2] fanotify: do not leak user reference on allocation failure Eric Paris

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