netdev - Re: [PATCH] 9p: potential NULL dereference

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Message-ID: <20180926210726.GA29761@nautica>
Date:   Wed, 26 Sep 2018 23:07:26 +0200
From:   Dominique Martinet <asmadeus@...ewreck.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Eric Van Hensbergen <ericvh@...il.com>,
        Matthew Wilcox <willy@...radead.org>,
        Latchesar Ionkov <lucho@...kov.net>,
        "David S. Miller" <davem@...emloft.net>,
        v9fs-developer@...ts.sourceforge.net, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] 9p: potential NULL dereference

Dan Carpenter wrote on Wed, Sep 26, 2018:
> p9_tag_alloc() is supposed to return error pointers, but we accidentally
> return a NULL here.  It would cause a NULL dereference in the caller.
> 
> Fixes: 996d5b4db4b1 ("9p: Use a slab for allocating requests")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Good catch, the culprit commit is only in -next so just adding this to
the queue right away.

Thanks!
-- 
Dominique