From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:44316 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753454AbeCFSuL (ORCPT ); Tue, 6 Mar 2018 13:50:11 -0500 Subject: Patch "block: kyber: fix domain token leak during requeue" has been added to the 4.15-stable tree To: ming.lei@redhat.com, axboe@kernel.dk, bart.vanassche@wdc.com, gregkh@linuxfoundation.org, osandov@fb.com, paolo.valente@linaro.org Cc: , From: Date: Tue, 06 Mar 2018 10:49:33 -0800 Message-ID: <15203621738941@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled block: kyber: fix domain token leak during requeue to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: block-kyber-fix-domain-token-leak-during-requeue.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From ba989a01469d027861e55c8f1121edadef757797 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Fri, 23 Feb 2018 23:36:57 +0800 Subject: block: kyber: fix domain token leak during requeue From: Ming Lei commit ba989a01469d027861e55c8f1121edadef757797 upstream. When requeuing request, the domain token should have been freed before re-inserting the request to io scheduler. Otherwise, the assigned domain token will be leaked, and IO hang can be caused. Cc: Paolo Valente Cc: Omar Sandoval Cc: stable@vger.kernel.org Reviewed-by: Bart Van Assche Signed-off-by: Ming Lei Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- block/kyber-iosched.c | 1 + 1 file changed, 1 insertion(+) --- a/block/kyber-iosched.c +++ b/block/kyber-iosched.c @@ -833,6 +833,7 @@ static struct elevator_type kyber_sched .limit_depth = kyber_limit_depth, .prepare_request = kyber_prepare_request, .finish_request = kyber_finish_request, + .requeue_request = kyber_finish_request, .completed_request = kyber_completed_request, .dispatch_request = kyber_dispatch_request, .has_work = kyber_has_work, Patches currently in stable-queue which might be from ming.lei@redhat.com are queue-4.15/block-pass-inclusive-lend-parameter-to-truncate_inode_pages_range.patch queue-4.15/block-kyber-fix-domain-token-leak-during-requeue.patch