netdev - Re: [PATCH] ipv6: make sure to initialize sockc.tsflags before first use

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Message-Id: <20170322.124053.395077714485086280.davem@davemloft.net>
Date:   Wed, 22 Mar 2017 12:40:53 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     glider@...gle.com
Cc:     dvyukov@...gle.com, kcc@...gle.com, edumazet@...gle.com,
        soheil@...gle.com, kuznet@....inr.ac.ru,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: make sure to initialize sockc.tsflags before
 first use

From: Alexander Potapenko <glider@...gle.com>
Date: Tue, 21 Mar 2017 17:14:27 +0100

> In the case udp_sk(sk)->pending is AF_INET6, udpv6_sendmsg() would
> jump to do_append_data, skipping the initialization of sockc.tsflags.
> Fix the problem by moving sockc.tsflags initialization earlier.
> 
> The bug was detected with KMSAN.
> 
> Signed-off-by: Alexander Potapenko <glider@...gle.com>

Applied and queued up for -stable, thank you.