linux-kernel - Re: Problems with bdev_write

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>] [day] [month] [year] [list]

Date:	Mon, 25 May 2015 14:19:42 -0700
From:	Charles Bertsch <cbertsch@....net>
To:	NeilBrown <neilb@...e.de>
CC:	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	linux-raid@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>,
	"BertschC@....org" <BertschC@....org>
Subject: Re: Problems with bdev_write_page().

On 05/17/2015 12:02 AM, NeilBrown wrote:
>
>
> Hi Matthew,
>   I've just been looking at bdev_write_page().
> You can read about why here:
>
>    http://marc.info/?t=142984068300001&r=1&w=2
....
>
> Can you propose a fix for Charles, who can trigger this bug and nicely
> bisected it for us - thanks Charles!!!
>
This problem still occurs with 4.1.0-rc5 -- three stack traces attached.

Charles Bertsch



View attachment "linprob.stktrace.0525a.4.1-rc5.txt" of type "text/plain" (10612 bytes)

View attachment "linprob.stktrace.0525b.4.1-rc5.txt" of type "text/plain" (10813 bytes)

View attachment "linprob.stktrace.0525c.4.1-rc5.txt" of type "text/plain" (8672 bytes)