netdev - Re: [PATCH net] mptcp: sendmsg: reset iter on error redux

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Date:   Sun, 16 Aug 2020 21:12:29 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     fw@...len.de
Cc:     netdev@...r.kernel.org, mathew.j.martineau@...ux.intel.com,
        matthieu.baerts@...sares.net, pabeni@...hat.com
Subject: Re: [PATCH net] mptcp: sendmsg: reset iter on error redux

From: Florian Westphal <fw@...len.de>
Date: Sun, 16 Aug 2020 23:14:20 +0200

> This fix wasn't correct: When this function is invoked from the
> retransmission worker, the iterator contains garbage and resetting
> it causes a crash.
> 
> As the work queue should not be performance critical also zero the
> msghdr struct.
> 
> Fixes: 35759383133f64d "(mptcp: sendmsg: reset iter on error)"
> Signed-off-by: Florian Westphal <fw@...len.de>

Applied, thanks.