linux-kernel - Re: btrfs crash when low on memory.

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]

Date:	Wed, 27 Feb 2013 08:27:36 -0500
From:	Josef Bacik <jbacik@...ionio.com>
To:	Dave Jones <davej@...hat.com>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	"linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>
Subject: Re: btrfs crash when low on memory.

On Tue, Feb 26, 2013 at 10:22:47PM -0700, Dave Jones wrote:
> Something I've yet to repeat managed to leak a whole bunch of memory
> while I was travelling, and locked up my workstation.
> 
> When I got home, this was the last thing printed out before it locked up
> (it did make it into the logs thankfully) after a bunch of instances of
> the oom-killers handywork.

Yeah we have a lot of

ptr = kmalloc();
BUG_ON(ptr);

everywhere.  I'll fix this one up but I really need to sit down and go through
all of them and make sure we do the right thing in all these places.  Thanks,

Josef
--
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/