linux-kernel - Re: [PATCH 2/2] ubi: block: Fix deadlock on remove

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: <ZG2o4rrfqWGbYziq@infradead.org>
Date:   Tue, 23 May 2023 23:04:18 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Vincent Whitchurch <vincent.whitchurch@...s.com>
Cc:     Richard Weinberger <richard@....at>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...s.com
Subject: Re: [PATCH 2/2] ubi: block: Fix deadlock on remove

If you imlement ->free_disk, the list_del and kfree can move into
that, and we don't really care if a new opener raced with the delete.