linux-kernel - Re: KASAN: use-after-free Read in __io_remove

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Message-ID: <e21e651299a4230b965cf79d4ae9efd1bc307491.camel@fb.com>
Date:   Thu, 21 Jul 2022 11:06:33 +0000
From:   Dylan Yudaken <dylany@...com>
To:     "io-uring@...r.kernel.org" <io-uring@...r.kernel.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mail.dipanjan.das@...il.com" <mail.dipanjan.das@...il.com>,
        "asml.silence@...il.com" <asml.silence@...il.com>
CC:     "fleischermarius@...glemail.com" <fleischermarius@...glemail.com>,
        "syzkaller@...glegroups.com" <syzkaller@...glegroups.com>,
        "its.priyanka.bose@...il.com" <its.priyanka.bose@...il.com>
Subject: Re: KASAN: use-after-free Read in __io_remove_buffers

On Wed, 2022-07-20 at 18:41 -0700, Dipanjan Das wrote:
> Hi,
> 
> We would like to report the following bug which has been found by our
> modified version of syzkaller.

Hi,

Both of the bug reports you sent seem to be fixed by the patch I just
sent.

This one however does not seem to terminate once fixed. Is there an
expected run time?

Thanks!