linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: Li Nan <linan122@huawei.com>
Cc: tj@kernel.org, josef@toxicpanda.com, axboe@kernel.dk,
	cgroups@vger.kernel.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, yukuai3@huawei.com,
	yi.zhang@huawei.com
Subject: Re: [PATCH -next 8/8] block: fix null-pointer dereference in ioc_pd_init
Date: Tue, 29 Nov 2022 06:25:05 -0800	[thread overview]
Message-ID: <Y4YWQcb4PMmIdzIM@infradead.org> (raw)
In-Reply-To: <20221128154434.4177442-9-linan122@huawei.com>

On Mon, Nov 28, 2022 at 11:44:34PM +0800, Li Nan wrote:
> Fix problem by moving rq_qos_exit() to disk_release().

No, that now means it is removed to later.  You need to add proper
synchronization.

  parent reply	other threads:[~2022-11-29 14:25 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-28 15:44 [PATCH -next 0/8] iocost bugfix Li Nan
2022-11-28 15:44 ` [PATCH -next 1/8] blk-iocost: cleanup ioc_qos_write() and ioc_cost_model_write() Li Nan
2022-11-28 15:44 ` [PATCH -next 2/8] blk-iocost: improve hanlder of match_u64() Li Nan
2022-11-28 15:44 ` [PATCH -next 3/8] blk-iocost: don't allow to configure bio based device Li Nan
2022-11-28 15:44 ` [PATCH -next 4/8] blk-iocost: read params inside lock in sysfs apis Li Nan
2022-11-28 15:44 ` [PATCH -next 5/8] blk-iocost: fix divide by 0 error in calc_lcoefs() Li Nan
2022-11-28 15:44 ` [PATCH -next 6/8] blk-iocost: change div64_u64 to DIV64_U64_ROUND_UP in ioc_refresh_params() Li Nan
2022-11-28 15:44 ` [PATCH -next 7/8] blk-iocost: fix possible UAF in ioc_pd_free Li Nan
2022-11-29 12:18   ` Yu Kuai
2022-11-28 15:44 ` [PATCH -next 8/8] block: fix null-pointer dereference in ioc_pd_init Li Nan
2022-11-29 11:23   ` kernel test robot
2022-11-29 14:25   ` Christoph Hellwig [this message]
2022-11-30  1:32     ` Yu Kuai
2022-11-30 15:59       ` Christoph Hellwig
2022-11-30  0:50   ` kernel test robot

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=Y4YWQcb4PMmIdzIM@infradead.org \
    --to=hch@infradead.org \
    --cc=axboe@kernel.dk \
    --cc=cgroups@vger.kernel.org \
    --cc=josef@toxicpanda.com \
    --cc=linan122@huawei.com \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=tj@kernel.org \
    --cc=yi.zhang@huawei.com \
    --cc=yukuai3@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).