linux-kernel - Re: [PATCH] block: add check of 'minors' and 'first_minor' in device_add

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Date: Tue, 19 Dec 2023 08:23:29 -0700
From: Jens Axboe <axboe@...nel.dk>
To: penguin-kernel@...ove.sakura.ne.jp, linan666@...weicloud.com
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
 yukuai3@...wei.com, yi.zhang@...wei.com, houtao1@...wei.com, 
 yangerkun@...wei.com
Subject: Re: [PATCH] block: add check of 'minors' and 'first_minor' in
 device_add_disk()


On Tue, 19 Dec 2023 15:59:42 +0800, linan666@...weicloud.com wrote:
> 'first_minor' represents the starting minor number of disks, and
> 'minors' represents the number of partitions in the device. Neither
> of them can be greater than MINORMASK + 1.
> 
> Commit e338924bd05d ("block: check minor range in device_add_disk()")
> only added the check of 'first_minor + minors'. However, their sum might
> be less than MINORMASK but their values are wrong. Complete the checks now.
> 
> [...]

Applied, thanks!

[1/1] block: add check of 'minors' and 'first_minor' in device_add_disk()
      commit: 4c434392c4777881d01beada6701eff8c76b43fe

Best regards,
-- 
Jens Axboe