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From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>, Guo Xuenan <[email protected]>
Cc: [email protected], [email protected],
	[email protected], [email protected],
	[email protected]
Subject: Re: linux-stable-5.10-y CVE-2022-1508 of io_uring module
Date: Fri, 6 May 2022 16:57:09 +0100	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 5/6/22 03:16, Jens Axboe wrote:
> On 5/5/22 8:11 AM, Guo Xuenan wrote:
>> Hi, Pavel & Jens
>>
>> CVE-2022-1508[1] contains an patch[2] of io_uring. As Jones reported,
>> it is not enough only apply [2] to stable-5.10.
>> Io_uring is very valuable and active module of linux kernel.
>> I've tried to apply these two patches[3] [4] to my local 5.10 code, I
>> found my understanding of io_uring is not enough to resolve all conflicts.
>>
>> Since 5.10 is an important stable branch of linux, we would appreciate
>> your help in solving this problem.
> 
> Yes, this really needs to get buttoned up for 5.10. I seem to recall
> there was a reproducer for this that was somewhat saner than the
> syzbot one (which doesn't do anything for me). Pavel, do you have one?

No, it was the only repro and was triggering the problem
just fine back then

-- 
Pavel Begunkov

  reply	other threads:[~2022-05-06 15:57 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-12 13:43 [syzbot] KASAN: stack-out-of-bounds Read in iov_iter_revert syzbot
2021-08-12 14:30 ` Pavel Begunkov
2021-08-12 20:36   ` syzbot
2021-11-03 17:01     ` Lee Jones
2021-11-08 15:29       ` Pavel Begunkov
2021-11-08 15:41         ` Jens Axboe
2021-11-09 13:33           ` Lee Jones
2021-12-15  8:06             ` Lee Jones
2021-12-15 11:16               ` Pavel Begunkov
2021-12-16 17:02                 ` Lee Jones
2022-02-22 16:48                   ` Lee Jones
2022-03-21 10:52                 ` Lee Jones
2022-05-05 14:11           ` linux-stable-5.10-y CVE-2022-1508 of io_uring module Guo Xuenan
2022-05-06  2:16             ` Jens Axboe
2022-05-06 15:57               ` Pavel Begunkov [this message]
2022-05-06 16:15                 ` Jens Axboe
2022-05-06 18:22                   ` Jens Axboe
2022-05-07  9:16                     ` Pavel Begunkov
2022-05-07 14:18                       ` Jens Axboe
2022-05-08 11:43                         ` Pavel Begunkov
2021-08-23  0:24 ` [syzbot] KASAN: stack-out-of-bounds Read in iov_iter_revert Pavel Begunkov
2021-08-23  0:44   ` syzbot

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