netdev - Re: [PATCH net-next] net: fix use-after-free in kfree_skb

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Message-Id: <20190603.151818.2213401901831756808.davem@davemloft.net>
Date:   Mon, 03 Jun 2019 15:18:18 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com, pablo@...filter.org
Subject: Re: [PATCH net-next] net: fix use-after-free in kfree_skb_list

From: Eric Dumazet <edumazet@...gle.com>
Date: Sun,  2 Jun 2019 11:24:18 -0700

> syzbot reported nasty use-after-free [1]
> 
> Lets remove frag_list field from structs ip_fraglist_iter
> and ip6_fraglist_iter. This seens not needed anyway.
 ...
> Fixes: 0feca6190f88 ("net: ipv6: add skbuff fraglist splitter")
> Fixes: c8b17be0b7a4 ("net: ipv4: add skbuff fraglist splitter")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: Pablo Neira Ayuso <pablo@...filter.org>

Applied, thanks Eric.