linux-kernel - Re: [stable] [PATCH V4] futex: set FLAGS_HAS_TIMEOUT during demux for FUTEX

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:	Thu, 14 Apr 2011 15:13:51 -0700
From:	Darren Hart <dvhart@...ux.intel.com>
To:	Greg KH <greg@...ah.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Linux Stable <stable@...nel.org>,
	John Kacur <jkacur@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [stable] [PATCH V4] futex: set FLAGS_HAS_TIMEOUT during demux
 for FUTEX_WAIT

On 04/14/2011 02:56 PM, Greg KH wrote:
> On Thu, Apr 14, 2011 at 02:43:01PM -0700, Darren Hart wrote:
>> The FLAGS_HAS_TIMEOUT flag was not getting set, causing the restart_block to
>> restart futex_wait() without a timeout after a signal.
>>
>> Commit b41277dc7a18ee332d in 2.6.38 introduced the regression by accidentally
>> removing the the FLAGS_HAS_TIMEOUT assignment from futex_wait() during the setup
>> of the restart block. Restore the originaly behavior.
>>
>> Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=32922
>>
>> V2: Added references to commit message.
>> V3: Set flag during restart block instead of do_futex()
>> V4: Correct stupid order of assignment mistake pointed out by Eric
>>
>> Signed-off-by: Darren Hart <dvhart@...ux.intel.com>
>> Reported-by: Tim Smith <tsmith201104@...oo.com>
>> Reported-by: Torsten Hilbrich <torsten.hilbrich@...unet.com>
>> Cc: Thomas Gleixner <tglx@...utronix.de>
>> Cc: Peter Zijlstra <peterz@...radead.org>
>> Cc: Ingo Molnar <mingo@...e.hu>
>> CC: Eric Dumazet <eric.dumazet@...il.com>
>> CC: John Kacur <jkacur@...hat.com>
>> ---
> 
> This is not the correct way to submit patches for inclusion in the
> stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
> for how to do this properly.

Sigh, apologies. Fixing, will add stable to CC: in changelog. Gives me a
chance to improve the subject anyway.

Ingo, Greg, please ignore this and the previous V[123] patches.

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel
--
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/