linux-kernel - net/9p/mux.c: use-after-free

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Message-ID: <20070723012014.GV26212@stusta.de>
Date:	Mon, 23 Jul 2007 03:20:14 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Latchesar Ionkov <lucho@...kov.net>,
	Eric Van Hensbergen <ericvh@...il.com>
Cc:	v9fs-developer@...ts.sourceforge.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: net/9p/mux.c: use-after-free

The Coverity checker spotted the following use-after-free
in net/9p/mux.c:

<--  snip  -->

...
struct p9_conn *p9_conn_create(struct p9_transport *trans, int msize,
                                    unsigned char *extended)
{
...
        if (!m->tagpool) {
                kfree(m);
                return ERR_PTR(PTR_ERR(m->tagpool));
        }
...

<--  snip  -->


cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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