From: Jens Axboe <axboe@kernel.dk>
To: Bart Van Assche <bvanassche@acm.org>,
Ming Lei <ming.lei@redhat.com>,
linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org,
linux-block@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Christoph Hellwig <hch@lst.de>
Cc: Khazhy Kumykov <khazhy@google.com>,
Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>,
Hannes Reinecke <hare@suse.de>,
John Garry <john.garry@huawei.com>,
David Jeffery <djeffery@redhat.com>
Subject: Re: [PATCH 0/8] blk-mq: fix request UAF related with iterating over tagset requests
Date: Sun, 25 Apr 2021 14:18:44 -0600 [thread overview]
Message-ID: <dc5a66fe-2678-994d-d7ff-6160c3626d83@kernel.dk> (raw)
In-Reply-To: <f4d43e0d-cdd7-4a8c-9852-bbc99053fd81@acm.org>
On 4/25/21 12:39 PM, Bart Van Assche wrote:
> On 4/25/21 9:17 AM, Jens Axboe wrote:
>> I'm going to pull the UAF series for now so we don't need to do a series
>> of reverts if we deem this a better approach. I'll take a further look
>> at it tomorrow.
>
> Please give me the time to post review comments. My opinion about this
> series is that (a) the analysis on which some patches are based is wrong
> and also (b) that some patches introduce new bugs that are worse than
> the current state of the for-next branch and also make it worse than the
> v5.11 kernel.
Just to be clear, I did not apply this series, "pull the UAF series" just
meant un-applying your series so we have a sane baseline for something
that everybody likes. There's plenty of time to figure this out for
5.13.
--
Jens Axboe
prev parent reply other threads:[~2021-04-25 20:18 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-25 8:57 [PATCH 0/8] blk-mq: fix request UAF related with iterating over tagset requests Ming Lei
2021-04-25 8:57 ` [PATCH 1/8] Revert "blk-mq: Fix races between blk_mq_update_nr_hw_queues() and iterating over tags" Ming Lei
2021-04-25 8:57 ` [PATCH 2/8] Revert "blk-mq: Make it safe to use RCU to iterate over blk_mq_tag_set.tag_list" Ming Lei
2021-04-25 8:57 ` [PATCH 3/8] Revert "blk-mq: Fix races between iterating over requests and freeing requests" Ming Lei
2021-04-25 8:57 ` [PATCH 4/8] Revert "blk-mq: Introduce atomic variants of blk_mq_(all_tag|tagset_busy)_iter" Ming Lei
2021-04-25 8:57 ` [PATCH 5/8] blk-mq: blk_mq_complete_request_locally Ming Lei
2021-04-25 8:57 ` [PATCH 6/8] block: drivers: complete request locally from blk_mq_tagset_busy_iter Ming Lei
2021-04-26 3:02 ` Bart Van Assche
2021-04-26 6:24 ` Ming Lei
2021-04-27 8:54 ` Ming Lei
2021-04-25 8:57 ` [PATCH 7/8] blk-mq: grab rq->refcount before calling ->fn in blk_mq_tagset_busy_iter Ming Lei
2021-04-25 18:55 ` Bart Van Assche
2021-04-26 0:41 ` Ming Lei
2021-04-25 8:57 ` [PATCH 8/8] blk-mq: clear stale request in tags->rq[] before freeing one request pool Ming Lei
2021-04-25 20:42 ` Bart Van Assche
2021-04-26 0:49 ` Ming Lei
2021-04-26 1:50 ` Bart Van Assche
2021-04-26 2:07 ` Ming Lei
2021-04-25 9:27 ` [PATCH 0/8] blk-mq: fix request UAF related with iterating over tagset requests Ming Lei
2021-04-25 20:53 ` Bart Van Assche
2021-04-26 1:19 ` Ming Lei
2021-04-26 1:57 ` Bart Van Assche
2021-04-25 16:17 ` Jens Axboe
2021-04-25 18:39 ` Bart Van Assche
2021-04-25 20:18 ` Jens Axboe [this message]
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