linux-kernel - Re: [PATCH] block: Avoid accessing an already freed kobject in delete

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Message-ID: <067affa2-827e-06b2-dbc4-c4ae897e1a1a@gmail.com>
Date:   Tue, 6 Jul 2021 11:58:30 +0530
From:   Rajat Asthana <thisisrast7@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Rajat Asthana <rajatasthana4@...il.com>, axboe@...nel.dk,
        damien.lemoal@....com, jack@...e.cz, rafael@...nel.org,
        syzbot+7d6c5587ec9cff5be65c@...kaller.appspotmail.com,
        linux-kernel@...r.kernel.org, ming.lei@...hat.com,
        linux-block@...r.kernel.org, hare@...e.de,
        linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH] block: Avoid accessing an already freed kobject in
 delete_partition

> No.  There should be no need to check anything, but the code needs
> to ensure that the block device is alive.  I think the above mentioned
> patch (now in Jens' tree) does that, so please try it.

Ah! yes, found the patch. I should have checked earlier.

thanks
-- Rajat