linux-kernel - Re: [PATCH] blk-iocost: initialize rqos before accessing it

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Message-Id: <167744269225.13527.9868779562423182386.b4-ty@kernel.dk>
Date:   Sun, 26 Feb 2023 13:18:12 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     tj@...nel.org, josef@...icpanda.com, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, Breno Leitao <leitao@...ian.org>
Cc:     aherrmann@...e.de, linux-kernel@...r.kernel.org, hch@....de,
        leit@...com
Subject: Re: [PATCH] blk-iocost: initialize rqos before accessing it


On Fri, 24 Feb 2023 08:07:14 -0800, Breno Leitao wrote:
> Current kernel (d2980d8d826554fa6981d621e569a453787472f8) crashes
> when blk_iocost_init for `nvme1` disk.
> 
> 	BUG: kernel NULL pointer dereference, address: 0000000000000050
> 	#PF: supervisor read access in kernel mode
> 	#PF: error_code(0x0000) - not-present page
> 
> [...]

Applied, thanks!

[1/1] blk-iocost: initialize rqos before accessing it
      commit: efbb51a0aae5fcecda266ac254146e36fff41e16

Best regards,
-- 
Jens Axboe