netdev - Re: [PATCH net] fou, fou6: avoid uninit-value in gue_err() and gue6

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Message-Id: <20190308.152047.1195514192232119769.davem@davemloft.net>
Date:   Fri, 08 Mar 2019 15:20:47 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        syzkaller@...glegroups.com, sbrivio@...hat.com, sd@...asysnail.net
Subject: Re: [PATCH net] fou, fou6: avoid uninit-value in gue_err() and
 gue6_err()

From: Eric Dumazet <edumazet@...gle.com>
Date: Wed,  6 Mar 2019 10:41:00 -0800

> My prior commit missed the fact that these functions
> were using udp_hdr() (aka skb_transport_header())
> to get access to GUE header.
> 
> Since use pskb_transport_may_pull() does not exist yet,
> we have to add transport_offset to our pskb_may_pull() calls.
 ...
> Fixes: 26fc181e6cac ("fou, fou6: do not assume linear skbs")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>

Applied and queued up for -stable, thanks Eric.