From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7C20414AA4 for ; Tue, 19 Dec 2023 08:00:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id D118F1FD5E; Tue, 19 Dec 2023 08:00:13 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 4F75713AA6; Tue, 19 Dec 2023 08:00:13 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap1.dmz-prg2.suse.org with ESMTPSA id IHVPEY1NgWWyegAAD6G6ig (envelope-from ); Tue, 19 Dec 2023 08:00:13 +0000 Message-ID: <3b8ef7d1-62fa-4ffe-a317-5b0dbadba8b6@suse.de> Date: Tue, 19 Dec 2023 09:00:13 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 10/16] nvmet-fc: hold reference on hostport match Content-Language: en-US To: Daniel Wagner , linux-nvme@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Christoph Hellwig , Sagi Grimberg , Keith Busch , James Smart References: <20231218153105.12717-1-dwagner@suse.de> <20231218153105.12717-11-dwagner@suse.de> From: Hannes Reinecke In-Reply-To: <20231218153105.12717-11-dwagner@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Level: X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Level: X-Spam-Flag: NO X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] Authentication-Results: smtp-out2.suse.de; none X-Spam-Score: -4.00 X-Rspamd-Queue-Id: D118F1FD5E On 12/18/23 16:30, Daniel Wagner wrote: > The hostport data structure is shared between the association, this why > we keep track of the users via a refcount. So we should not decrement > the refcount on a match and free the hostport several times. > > Reported by KASAN. > > Signed-off-by: Daniel Wagner > --- > drivers/nvme/target/fc.c | 2 -- > 1 file changed, 2 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), GF: Ivo Totev, Andrew McDonald, Werner Knoblich