From: Jens Axboe <[email protected]>
To: Miklos Szeredi <[email protected]>
Cc: [email protected], [email protected],
[email protected],
syzbot <[email protected]>,
[email protected]
Subject: Re: [syzbot] KASAN: use-after-free Read in fuse_dev_poll
Date: Tue, 24 Jan 2023 09:37:21 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAJfpegteWVfJ8CLATjhk7==iLmqyZT_ao8Hs2JaNKdbgceXZYw@mail.gmail.com>
On 1/24/23 9:29 AM, Miklos Szeredi wrote:
> Hi Jens,
>
> Forwarding, since it looks like io_uring is the culprit: vfs_poll() is
> called by io_poll_check_events() on an already released file.
We had a bad patch around that time, pretty sure that's what's
triggering this one too as it's not a recent kernel.
#syz invalid
--
Jens Axboe
prev parent reply other threads:[~2023-01-24 16:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <[email protected]>
2023-01-24 16:29 ` [syzbot] KASAN: use-after-free Read in fuse_dev_poll Miklos Szeredi
2023-01-24 16:37 ` Jens Axboe [this message]
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