From: Christoph Hellwig <hch@infradead.org>
To: Edward Adam Davis <eadavis@qq.com>
Cc: bvanassche@acm.org, axboe@kernel.dk, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org,
syzbot+fcc47ba2476570cbbeb0@syzkaller.appspotmail.com,
syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH V2] blk-mq: fix warning in blk_mq_start_request
Date: Tue, 7 Nov 2023 23:26:28 -0800 [thread overview]
Message-ID: <ZUs4JIu0NBz2RWys@infradead.org> (raw)
In-Reply-To: <tencent_6E1A9EAE1BB04B3A1B592506BAEABB313308@qq.com>
On Wed, Nov 08, 2023 at 02:59:40PM +0800, Edward Adam Davis wrote:
> Before call queue_rq(), initialize rq->state to MQ_RQ_IDLE.
Request should never be able to be allocated if they aren't in
MQ_RQ_IDLE. So papering over it here is not the right fix, we need
to figure out got it ends up being marked free in the bitmap while
not idle.
next prev parent reply other threads:[~2023-11-08 7:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-07 7:29 [syzbot] [block?] WARNING " syzbot
[not found] ` <tencent_03A5938DE6921DDDE9DD921956CFAD0DE007@qq.com>
2023-11-08 5:26 ` [PATCH] null_blk: fix warning " Bart Van Assche
[not found] ` <tencent_6E1A9EAE1BB04B3A1B592506BAEABB313308@qq.com>
2023-11-08 7:26 ` Christoph Hellwig [this message]
2023-11-08 6:40 ` Chaitanya Kulkarni
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