lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Mon, 12 Jan 2015 10:30:21 +0100
From:	Sebastian Parschauer <sebastian.riemer@...fitbricks.com>
To:	Fam Zheng <famz@...hat.com>
CC:	Jens Axboe <axboe@...nel.dk>,
	Eduardo Otubo <eduardo.otubo@...fitbricks.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	virtualization@...ts.linux-foundation.org
Subject: Re: blk-mq v3.18: Oops during virtio_blk hot-unplug

On 10.01.2015 02:20, Fam Zheng wrote:
> On Fri, 01/09 15:32, Sebastian Parschauer wrote:
>> Hi Jens,
>>
>> my colleague Eduardo is sporadically seeing an Oops in blk-mq while
>> running continuous virtio_blk hot-plug/hot-unplug tests with I/O to the
>> device within an x86_64 QEMU/KVM 2.0 Debian Wheezy VM.
>>
>> Please find the call trace attached and the full log here:
>> http://paste.ubuntu.com/9691873/
>>
>> The kernel image has been taken from here and is the mainline kernel
>> from tag v3.18:
>> http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18-vivid/
>>
>> Is there still an issue with block queue freezing?
> 
> This one?
> 
> commit 45a9c9d909b24c6ad0e28a7946e7486e73010319
> Author: Bart Van Assche <bvanassche@....org>
> Date:   Tue Dec 9 16:57:48 2014 +0100
> 
>     blk-mq: Fix a use-after-free
> 
> Fam

Yes, pretty much looks like it, thanks!

Cheers,
Sebastian

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ