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:	Thu, 31 May 2012 12:56:42 +0200
From:	Jens Axboe <jaxboe@...ionio.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>, Alan Cox <alan@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] block: avoid infinite loop in get_task_io_context()

On 05/31/2012 12:51 PM, Eric Dumazet wrote:
> On Thu, 2012-05-31 at 12:47 +0200, Jens Axboe wrote:
>>  BUG: soft lockup - CPU#3 stuck for 22s ! [mountall.1603]
>>
>> Eric, do you have a task trace to go with this lockup, where task !=
>> current?
>>
>> In any case, it is a legit bug fix. I have applied it.
>>
> 
> Unfortunately I couldn't get netconsole working at this stage...
> 
> syscall was sys_ioprio_set()

That's good enough, then it all makes sense. I guess we could be
checking PF_EXITING earlier, but I think the patch is fine as-is.

-- 
Jens Axboe

--
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