linux-kernel - Re: [PATCH v5 10/12] nvmet-fc: avoid deadlock on delete association path

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]

Date: Tue, 6 Feb 2024 12:03:59 +0900
From: Hannes Reinecke <hare@...e.de>
To: Daniel Wagner <dwagner@...e.de>, James Smart <james.smart@...adcom.com>
Cc: Keith Busch <kbusch@...nel.org>, Christoph Hellwig <hch@....de>,
 linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 10/12] nvmet-fc: avoid deadlock on delete association
 path

On 1/31/24 16:51, Daniel Wagner wrote:
> When deleting an association the shutdown path is deadlocking because we
> try to flush the nvmet_wq nested. Avoid this by deadlock by deferring
> the put work into its own work item.
> 
> Reviewed-by: Christoph Hellwig <hch@....de>
> Signed-off-by: Daniel Wagner <dwagner@...e.de>
> ---
>   drivers/nvme/target/fc.c | 16 +++++++++++++---
>   1 file changed, 13 insertions(+), 3 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Ivo Totev, Andrew McDonald,
Werner Knoblich