linux-kernel - Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in test_bdev_super

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Message-ID: <20230805084855.GA30135@lst.de>
Date:   Sat, 5 Aug 2023 10:48:55 +0200
From:   Christoph Hellwig <hch@....de>
To:     Hillf Danton <hdanton@...a.com>
Cc:     Christian Brauner <brauner@...nel.org>,
        Christoph Hellwig <hch@....de>,
        syzbot <syzbot+2faac0423fdc9692822b@...kaller.appspotmail.com>,
        jack@...e.cz, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in
 test_bdev_super_fc

On Sat, Aug 05, 2023 at 04:43:16PM +0800, Hillf Danton wrote:
> Feel free to take a look at the approach [1] to the uaf.
> 
> [1] https://yhbt.net/lore/lkml/000000000000b08a42060221da36@google.com/

This doesn't make any sense whatsover.