linux-kernel - Re: [PATCH] block: fix memory leak in disk_register_independent_access

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] [day] [month] [year] [list]

Message-Id: <164278728249.232198.7158002983506256334.b4-ty@kernel.dk>
Date:   Fri, 21 Jan 2022 10:48:02 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Hannes Reinecke <hare@...e.de>, linux-kernel@...r.kernel.org,
        Miaoqian Lin <linmq006@...il.com>, linux-block@...r.kernel.org,
        Damien Le Moal <damien.lemoal@....com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Keith Busch <kbusch@...nel.org>
Subject: Re: [PATCH] block: fix memory leak in disk_register_independent_access_ranges

On Thu, 20 Jan 2022 10:10:25 +0000, Miaoqian Lin wrote:
> kobject_init_and_add() takes reference even when it fails.
> According to the doc of kobject_init_and_add()
> 
>    If this function returns an error, kobject_put() must be called to
>    properly clean up the memory associated with the object.
> 
> Fix this issue by adding kobject_put().
> Callback function blk_ia_ranges_sysfs_release() in kobject_put()
> can handle the pointer "iars" properly.
> 
> [...]

Applied, thanks!

[1/1] block: fix memory leak in disk_register_independent_access_ranges
      commit: c321e650a45c4228cce1107680ac74e06f014906

Best regards,
-- 
Jens Axboe