netdev - Re: [PATCH net] net/hsr: fix possible crash in add

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Message-Id: <20190307.110242.1047279384790945469.davem@davemloft.net>
Date:   Thu, 07 Mar 2019 11:02:42 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        syzkaller@...glegroups.com, arvid.brodin@...en.se
Subject: Re: [PATCH net] net/hsr: fix possible crash in add_timer()

From: Eric Dumazet <edumazet@...gle.com>
Date: Thu,  7 Mar 2019 09:36:33 -0800

> syzbot found another add_timer() issue, this time in net/hsr [1]
> 
> Let's use mod_timer() which is safe.
 ...
> Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>
> Cc: Arvid Brodin <arvid.brodin@...en.se>

Applied and queued up for -stable, thanks.