linux-kernel - Re: [PATCH] nvme: fix use-after-free during booting

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200917082651.GA4595@lst.de>
Date:   Thu, 17 Sep 2020 10:26:51 +0200
From:   Christoph Hellwig <hch@....de>
To:     Tong Zhang <ztong0001@...il.com>
Cc:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme: fix use-after-free during booting

On Wed, Sep 16, 2020 at 11:36:05AM -0400, Tong Zhang wrote:
> if a nvme controller is not responding during probing, a use-after-free
> condition could happen

This now leaks the queue for the regular teardown path.