netdev - Re: [PATCH] netfilter: x_tables: fix missing unlock if table init fails

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Fri, 12 Oct 2018 16:35:17 -0700
From:   Omar Sandoval <osandov@...ndov.com>
To:     Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Florian Westphal <fw@...len.de>
Cc:     "David S. Miller" <davem@...emloft.net>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH] netfilter: x_tables: fix missing unlock if table init
 fails

On Fri, Oct 12, 2018 at 04:16:53PM -0700, Omar Sandoval wrote:
> From: Omar Sandoval <osandov@...com>
> 
> Commit 7dde07e9c536 ("netfilter: x_tables: unlock on error in
> xt_find_table_lock()") fixed one missing unlock in xt_find_table_lock(),
> but we're also missing one if t->table_init() fails.
> 
> Fixes: b9e69e127397 ("netfilter: xtables: don't hook tables by default")
> Signed-off-by: Omar Sandoval <osandov@...com>

Whoops, please ignore this, I missed the unlock right before the
table_init call...