netdev - Re: [PATCH net] llc: fix skb leak in llc_build_and_send_ui

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Message-Id: <20190528.172616.1230253591814538824.davem@davemloft.net>
Date:   Tue, 28 May 2019 17:26:16 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        syzkaller@...glegroups.com
Subject: Re: [PATCH net] llc: fix skb leak in llc_build_and_send_ui_pkt()

From: Eric Dumazet <edumazet@...gle.com>
Date: Mon, 27 May 2019 17:35:52 -0700

> If llc_mac_hdr_init() returns an error, we must drop the skb
> since no llc_build_and_send_ui_pkt() caller will take care of this.
 ...
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>

Applied and queued up for -stable.