From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] lan78xx: Crash in lan78xx_writ_reg (Workqueue:
 events lan78xx_deferred_multicast_write)
Date: Thu, 29 Mar 2018 11:36:47 -0400 (EDT)
Message-ID: <20180329.113647.609737069845086986.davem@davemloft.net>
References: <20180327092116.8867-1-raghuramchary.jallipalli@microchip.com>
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Cc: netdev@vger.kernel.org, unglinuxdriver@microchip.com,
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To: raghuramchary.jallipalli@microchip.com
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From: Raghuram Chary J <raghuramchary.jallipalli@microchip.com>
Date: Tue, 27 Mar 2018 14:51:16 +0530

> Description:
> Crash was reported with syzkaller pointing to lan78xx_write_reg routine.
> 
> Root-cause:
> Proper cleanup of workqueues and init/setup routines was not happening
> in failure conditions.
> 
> Fix:
> Handled the error conditions by cleaning up the queues and init/setup
> routines.
> 
> Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
> Reported-by: Andrey Konovalov <andreyknvl@google.com>
> Signed-off-by: Raghuram Chary J <raghuramchary.jallipalli@microchip.com>

Applied and queued up for -stable, thank you.