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From: Johannes Thumshirn <jthumshirn@suse.de>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	"Ewan D. Milne" <emilne@redhat.com>,
	Hannes Reinecke <hare@suse.com>,
	James Bottomley <jejb@linux.vnet.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-next@vger.kernel.org,
	Xiong Zhou <jencce.kernel@gmail.com>
Subject: Re: [-next] BUG_ON in scsi_target_destroy()
Date: Wed, 13 Apr 2016 15:59:31 +0200	[thread overview]
Message-ID: <1517391.Uqi4c4PsRt@c203> (raw)
In-Reply-To: <20160413144704.GA490@swordfish>

On Mittwoch, 13. April 2016 23:47:04 CEST Sergey Senozhatsky wrote:
> Hi,
> 
> On (04/13/16 10:41), Johannes Thumshirn wrote:
> > Hi Sergey,  Xiong,
> > 
> > Can you try below patch?
> 
> it panics my system.
> first it warn_on-s in lib/kobject.c:244
> 
> then NULL dereferences
> do_scan_async
>  __scsi_remove_device
>   scsi_target_reap
>    device_del
>     dpm_sysfs_remove
>      sysfs_unmerge_group
>       kernfs_find_and_get_ns
>        kernfs_find_ns
> 
> 	-ss
> 

Thanks for the update, I'll have a look into the callchain

-- 
Johannes Thumshirn                                                                                Storage
jthumshirn@suse.de                                                             +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850

  reply	other threads:[~2016-04-13 14:00 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-11  9:01 [-next] BUG_ON in scsi_target_destroy() Sergey Senozhatsky
2016-04-13  8:41 ` Johannes Thumshirn
2016-04-13 14:47   ` Sergey Senozhatsky
2016-04-13 13:59     ` Johannes Thumshirn [this message]
2016-04-13 15:14   ` James Bottomley
2016-04-14  2:07     ` Sergey Senozhatsky
2016-04-15  5:53     ` Xiong Zhou
2016-04-15 20:55     ` Martin K. Petersen
2016-04-15  4:31   ` Xiong Zhou

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