From: Dylan Yudaken <dylany@fb.com>
To: "mail.dipanjan.das@gmail.com" <mail.dipanjan.das@gmail.com>
Cc: "fleischermarius@googlemail.com" <fleischermarius@googlemail.com>,
"its.priyanka.bose@gmail.com" <its.priyanka.bose@gmail.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"io-uring@vger.kernel.org" <io-uring@vger.kernel.org>,
"asml.silence@gmail.com" <asml.silence@gmail.com>,
"syzkaller@googlegroups.com" <syzkaller@googlegroups.com>
Subject: Re: KASAN: use-after-free Read in __io_remove_buffers
Date: Tue, 26 Jul 2022 08:43:11 +0000 [thread overview]
Message-ID: <bd7b1d78bf38a1b8eb5fd13c96f54066ab0f507f.camel@fb.com> (raw)
In-Reply-To: <CANX2M5aYZ2kj+OZHUQF78O_fZoF0Oegytx4iFKjU+mAf9JtQbA@mail.gmail.com>
On Mon, 2022-07-25 at 22:00 -0700, Dipanjan Das wrote:
>
> > On Thu, Jul 21, 2022 at 4:06 AM Dylan Yudaken <dylany@fb.com>
> > wrote:
> > >
> > > 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?
> >
>
> We can confirm that the C-repro hangs while the syz-repro does not.
> For the unpatched kernel, the repro triggers the bug in less than a
> minute.
>
>
Great, thanks for confirming.
prev parent reply other threads:[~2022-07-26 8:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-21 1:41 Dipanjan Das
2022-07-21 11:06 ` Dylan Yudaken
2022-07-24 7:30 ` Dipanjan Das
2022-07-26 5:00 ` Dipanjan Das
2022-07-26 8:43 ` Dylan Yudaken [this message]
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