netdev - Re: [PATCH net] lan78xx: Crash in lan78xx_writ_reg (Workqueue: events lan78xx_deferred_multicast

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Date:   Thu, 29 Mar 2018 11:36:47 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     raghuramchary.jallipalli@...rochip.com
Cc:     netdev@...r.kernel.org, unglinuxdriver@...rochip.com,
        woojung.huh@...rochip.com
Subject: Re: [PATCH net] lan78xx: Crash in lan78xx_writ_reg (Workqueue:
 events lan78xx_deferred_multicast_write)

From: Raghuram Chary J <raghuramchary.jallipalli@...rochip.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@...gle.com>
> Signed-off-by: Raghuram Chary J <raghuramchary.jallipalli@...rochip.com>

Applied and queued up for -stable, thank you.