linux-kernel - Re: bio linked list corruption.

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] [thread-next>] [day] [month] [year] [list]

Message-ID: <20161026234751.e66xyzjiwifvbuha@codemonkey.org.uk>
Date:   Wed, 26 Oct 2016 19:47:51 -0400
From:   Dave Jones <davej@...emonkey.org.uk>
To:     Chris Mason <clm@...com>, Jens Axboe <axboe@...com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Lutomirski <luto@...capital.net>,
        Andy Lutomirski <luto@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>, Josef Bacik <jbacik@...com>,
        David Sterba <dsterba@...e.com>,
        linux-btrfs <linux-btrfs@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Dave Chinner <david@...morbit.com>
Subject: Re: bio linked list corruption.

On Wed, Oct 26, 2016 at 07:38:08PM -0400, Chris Mason wrote:
 
 > >-	hctx->queued++;
 > >-	data->hctx = hctx;
 > >-	data->ctx = ctx;
 > >+	data->hctx = alloc_data.hctx;
 > >+	data->ctx = alloc_data.ctx;
 > >+	data->hctx->queued++;
 > > 	return rq;
 > > }
 > 
 > This made it through an entire dbench 2048 run on btrfs.  My script has 
 > it running in a loop, but this is farther than I've gotten before.  
 > Looking great so far.

Fixed the splat during boot for me too.
Now the fun part, let's see if it fixed the 'weird shit' that Trinity
was stumbling on.

	Dave