linux-kernel - Re: [syzbot] KASAN: use-after-free Read in filp

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Message-ID: <YpzxhRLKyETOtUeH@zeniv-ca.linux.org.uk>
Date:   Sun, 5 Jun 2022 18:10:13 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     syzbot <syzbot+47dd250f527cb7bebf24@...kaller.appspotmail.com>
Cc:     arve@...roid.com, asml.silence@...il.com, axboe@...nel.dk,
        brauner@...nel.org, gregkh@...uxfoundation.org, hdanton@...a.com,
        hridya@...gle.com, io-uring@...r.kernel.org,
        joel@...lfernandes.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, maco@...roid.com, surenb@...gle.com,
        syzkaller-bugs@...glegroups.com, tkjos@...roid.com
Subject: Re: [syzbot] KASAN: use-after-free Read in filp_close

On Sun, Jun 05, 2022 at 04:15:58PM +0000, Al Viro wrote:
> Argh...  I see what's going on.  Check if the following fixes the problem,
> please.

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.fd