From: Ian Kent <raven@themaw.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Kernel Mailing List <linux-kernel@vger.kernel.org>,
autofs mailing list <autofs@linux.kernel.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: [PATCH 1/4] autofs4 - check for invalid dentry in getpath
Date: Tue, 26 Feb 2008 12:22:34 +0900 (WST) [thread overview]
Message-ID: <Pine.LNX.4.64.0802261156490.8490@raven.themaw.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0802261151400.8490@raven.themaw.net>
Hi Andrew,
Patch to catch invalid dentry when calculating it's path.
Signed-off-by: Ian Kent <raven@themaw.net>
Ian
---
diff -up linux-2.6.25-rc2-mm1/fs/autofs4/waitq.c.getpath-check-valid-dentry linux-2.6.25-rc2-mm1/fs/autofs4/waitq.c
--- linux-2.6.25-rc2-mm1/fs/autofs4/waitq.c.getpath-check-valid-dentry 2008-02-20 12:55:39.000000000 +0900
+++ linux-2.6.25-rc2-mm1/fs/autofs4/waitq.c 2008-02-20 12:54:46.000000000 +0900
@@ -171,7 +171,7 @@ static int autofs4_getpath(struct autofs
for (tmp = dentry ; tmp != root ; tmp = tmp->d_parent)
len += tmp->d_name.len + 1;
- if (--len > NAME_MAX) {
+ if (!len || --len > NAME_MAX) {
spin_unlock(&dcache_lock);
return 0;
}
next prev parent reply other threads:[~2008-02-26 3:25 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-26 3:21 [PATCH 0/4] autofs4 - autofs needs a miscelaneous device for ioctls Ian Kent
2008-02-26 3:22 ` Ian Kent [this message]
2008-02-26 3:23 ` [PATCH 3/4] autofs4 - track uid and gid of last mount requestor Ian Kent
2008-02-26 5:14 ` [PATCH 3/4] autofs4 - track uid and gid of last mount requestor - correction Ian Kent
2008-02-28 4:45 ` [PATCH 3/4] autofs4 - track uid and gid of last mount requestor Andrew Morton
2008-02-28 6:22 ` Ian Kent
2008-02-28 6:37 ` Andrew Morton
2008-02-28 7:08 ` Ian Kent
2008-02-28 7:23 ` Andrew Morton
2008-02-28 8:00 ` Ian Kent
2008-02-28 17:13 ` Jeff Moyer
2008-02-28 19:51 ` Serge E. Hallyn
2008-02-29 3:32 ` Ian Kent
2008-02-29 16:09 ` Serge E. Hallyn
2008-02-29 16:20 ` Pavel Emelyanov
2008-02-29 17:42 ` Serge E. Hallyn
2008-03-02 0:49 ` Eric W. Biederman
2008-03-02 1:13 ` Eric W. Biederman
2008-03-03 15:28 ` Serge E. Hallyn
2008-03-04 22:16 ` Eric W. Biederman
2008-02-28 7:51 ` Pavel Emelyanov
2008-02-28 7:59 ` Andrew Morton
2008-02-28 8:06 ` Ian Kent
2008-02-28 12:31 ` [autofs] " Fabio Olive Leite
2008-02-28 20:33 ` Eric W. Biederman
2008-02-26 3:23 ` [PATCH 4/4] autofs4 - add miscelaneous device for ioctls Ian Kent
2008-02-28 5:17 ` Andrew Morton
2008-02-28 6:18 ` Ian Kent
2008-03-13 7:00 ` [RFC] " Ian Kent
2008-03-14 2:45 ` Ian Kent
2008-03-14 12:45 ` Thomas Graf
2008-03-14 14:10 ` Ian Kent
2008-02-29 16:24 ` Ian Kent
2008-04-11 7:02 ` Ian Kent
2008-04-12 4:03 ` Andrew Morton
2008-04-14 4:45 ` Ian Kent
2008-02-26 4:29 ` [PATCH 2/4] autofs4 - add mount option to display mount device Ian Kent
2008-02-28 5:17 ` Andrew Morton
2008-02-28 4:40 ` [PATCH 0/4] autofs4 - autofs needs a miscelaneous device for ioctls Andrew Morton
2008-02-28 6:07 ` Ian Kent
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