From: Damien Le Moal <dlemoal@kernel.org>
To: Bart Van Assche <bvanassche@acm.org>, Jens Axboe <axboe@kernel.dk>
Cc: "Christoph Hellwig" <hch@lst.de>,
"Marco Elver" <elver@google.com>,
linux-block@vger.kernel.org,
"Christoph Böhmwalder" <christoph.boehmwalder@linbit.com>,
"Andreas Gruenbacher" <agruen@linbit.com>,
"Philipp Reisner" <philipp.reisner@linbit.com>,
"Lars Ellenberg" <lars.ellenberg@linbit.com>,
"Nathan Chancellor" <nathan@kernel.org>
Subject: Re: [PATCH 01/14] drbd: Balance RCU calls in drbd_adm_dump_devices()
Date: Thu, 5 Mar 2026 05:25:03 +0900 [thread overview]
Message-ID: <8650044e-595d-4058-9b67-25cc545bc302@kernel.org> (raw)
In-Reply-To: <20260304194843.760669-2-bvanassche@acm.org>
On 3/5/26 04:48, Bart Van Assche wrote:
> Make drbd_adm_dump_devices() call rcu_read_lock() before
> rcu_read_unlock() is called. This has been detected by the Clang
> thread-safety analyzer. Compile-tested only.
>
> Tested-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
> Cc: Andreas Gruenbacher <agruen@linbit.com>
> Fixes: a55bbd375d18 ("drbd: Backport the "status" command")
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
This probably should be sent independently of this series and immediately as
this look like a serious bug.
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2026-03-04 20:25 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-04 19:48 [PATCH 00/14] Enable lock context analysis Bart Van Assche
2026-03-04 19:48 ` [PATCH 01/14] drbd: Balance RCU calls in drbd_adm_dump_devices() Bart Van Assche
2026-03-04 20:25 ` Damien Le Moal [this message]
2026-03-04 20:59 ` Bart Van Assche
2026-03-04 19:48 ` [PATCH 02/14] blk-ioc: Prepare for enabling thread-safety analysis Bart Van Assche
2026-03-05 10:10 ` Jan Kara
2026-03-05 12:46 ` Bart Van Assche
2026-03-05 13:18 ` Marco Elver
2026-03-05 14:35 ` Bart Van Assche
2026-03-05 20:30 ` Marco Elver
2026-03-04 19:48 ` [PATCH 03/14] block: Make the lock context annotations compatible with Clang Bart Van Assche
2026-03-04 20:03 ` Tejun Heo
2026-03-04 20:29 ` Bart Van Assche
2026-03-04 20:58 ` Tejun Heo
2026-03-04 21:34 ` Bart Van Assche
2026-03-04 21:45 ` Tejun Heo
2026-03-04 21:46 ` Tejun Heo
2026-03-04 19:48 ` [PATCH 04/14] aoe: Add a lock context annotation Bart Van Assche
2026-03-04 19:48 ` [PATCH 05/14] drbd: Make the lock context annotations compatible with Clang Bart Van Assche
2026-03-09 10:08 ` Christoph Böhmwalder
2026-03-09 23:15 ` Bart Van Assche
2026-03-11 20:42 ` Christoph Böhmwalder
2026-03-04 19:48 ` [PATCH 06/14] loop: Add lock context annotations Bart Van Assche
2026-03-04 19:48 ` [PATCH 07/14] nbd: " Bart Van Assche
2026-03-04 19:48 ` [PATCH 08/14] null_blk: Add more " Bart Van Assche
2026-03-04 19:48 ` [PATCH 09/14] rbd: Add " Bart Van Assche
2026-03-04 19:48 ` [PATCH 10/14] rnbd: Add more " Bart Van Assche
2026-03-06 13:09 ` Marco Elver
2026-03-06 14:11 ` Bart Van Assche
2026-03-04 19:48 ` [PATCH 11/14] ublk: Fix the " Bart Van Assche
2026-03-04 20:43 ` Caleb Sander Mateos
2026-03-04 20:55 ` Bart Van Assche
2026-03-04 21:03 ` Caleb Sander Mateos
2026-03-04 21:36 ` Bart Van Assche
2026-03-04 19:48 ` [PATCH 12/14] zloop: Add a " Bart Van Assche
2026-03-04 19:48 ` [PATCH 13/14] zram: Add " Bart Van Assche
2026-03-05 1:23 ` Sergey Senozhatsky
2026-03-04 19:48 ` [PATCH 14/14] block: Enable lock context analysis for all block drivers Bart Van Assche
2026-03-05 1:33 ` Sergey Senozhatsky
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=8650044e-595d-4058-9b67-25cc545bc302@kernel.org \
--to=dlemoal@kernel.org \
--cc=agruen@linbit.com \
--cc=axboe@kernel.dk \
--cc=bvanassche@acm.org \
--cc=christoph.boehmwalder@linbit.com \
--cc=elver@google.com \
--cc=hch@lst.de \
--cc=lars.ellenberg@linbit.com \
--cc=linux-block@vger.kernel.org \
--cc=nathan@kernel.org \
--cc=philipp.reisner@linbit.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.