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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Pavel Begunkov <asml.silence@gmail.com>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
	stable@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
	Sasha Levin <sashal@kernel.org>
Subject: Re: use-after-free" with v5.10.y caused by backport of a298232ee6b9 ("io_uring: fix link timeout refs")
Date: Mon, 26 Jul 2021 13:08:38 +0200	[thread overview]
Message-ID: <YP6Xtjg3Eu4UfTxF@kroah.com> (raw)
In-Reply-To: <d1ff5d9c-2e13-acc2-fd8f-a8f4f180a8bb@gmail.com>

On Mon, Jul 26, 2021 at 11:57:22AM +0100, Pavel Begunkov wrote:
> On 7/26/21 11:29 AM, Sudip Mukherjee wrote:
> > Hi Pavel,
> > 
> > We had been running syzkaller on v5.10.y and a "use after free" is being
> > reported for v5.10.43+ kernels.
> 
> "... # 5.12+", weird, but perhaps due to dependencies.
> Thanks for letting know.
> 
> 
> Greg, Sasha, should be same as reported for 5.12
> 
> https://www.spinics.net/lists/stable/msg485116.html
> 
> Can you try to apply it to 5.10 or should I resend?

I just tried applying those patches and they did not work.  So can you
provide some new backports?

thanks,

greg k-h

  reply	other threads:[~2021-07-26 11:08 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-26 10:29 use-after-free" with v5.10.y caused by backport of a298232ee6b9 ("io_uring: fix link timeout refs") Sudip Mukherjee
2021-07-26 10:57 ` Pavel Begunkov
2021-07-26 11:08   ` Greg Kroah-Hartman [this message]
2021-07-26 12:44     ` Sudip Mukherjee
2021-07-26 12:53       ` Pavel Begunkov

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