From: Christoph Hellwig <hch@infradead.org>
To: Damien Le Moal <dlemoal@kernel.org>
Cc: Yu Kuai <yukuai1@huaweicloud.com>,
Pradeep P V K <quic_pragalla@quicinc.com>,
axboe@kernel.dk, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, "yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH V1] block: Fix null pointer dereference issue on struct io_cq
Date: Wed, 17 May 2023 02:21:36 -0700 [thread overview]
Message-ID: <ZGScoCeOILHpc8c1@infradead.org> (raw)
In-Reply-To: <a2f86cd7-776c-d7ed-8815-62683a14ba36@kernel.org>
On Wed, May 17, 2023 at 06:20:19PM +0900, Damien Le Moal wrote:
> twice for the same icq. The missing rcu lock in ioc_exit_icqs() already was in
> itself a bug, and the missing flag check is another.
spinlocks imply a rcu critical section, no need to duplicate it.
next prev parent reply other threads:[~2023-05-17 9:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-17 8:44 [PATCH V1] block: Fix null pointer dereference issue on struct io_cq Pradeep P V K
2023-05-17 8:55 ` Chaitanya Kulkarni
2023-05-17 8:58 ` Yu Kuai
2023-05-17 9:20 ` Damien Le Moal
2023-05-17 9:21 ` Christoph Hellwig [this message]
2023-05-17 9:31 ` Damien Le Moal
2023-05-18 9:25 ` Pradeep Pragallapati (QUIC)
2023-05-18 12:16 ` Yu Kuai
2023-05-18 12:44 ` Yu Kuai
2023-05-22 6:19 ` Pradeep Pragallapati
2023-05-30 13:15 ` Pradeep Pragallapati
2023-05-30 13:24 ` Yu Kuai
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=ZGScoCeOILHpc8c1@infradead.org \
--to=hch@infradead.org \
--cc=axboe@kernel.dk \
--cc=dlemoal@kernel.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=quic_pragalla@quicinc.com \
--cc=yukuai1@huaweicloud.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.