linux-kernel - Re: [PATCH] mcb: fix a double free bug in chameleon_parse

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Message-ID: <174073054898.13073.3196394951281177875.b4-ty@kernel.org>
Date: Fri, 28 Feb 2025 09:17:47 +0100
From: Johannes Thumshirn <jth@...nel.org>
To: jth@...nel.org,
	gregkh@...uxfoundation.org,
	Haoxiang Li <haoxiang_li2024@....com>
Cc: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH] mcb: fix a double free bug in chameleon_parse_gdd()


On Fri, 28 Feb 2025 11:27:20 +0800, Haoxiang Li wrote:
> In chameleon_parse_gdd(), if mcb_device_register() fails, 'mdev'
> would be released in mcb_device_register() via put_device().
> Thus, goto 'err' label and free 'mdev' again causes a double free.
> Just return if mcb_device_register() fails.
> 
> 

Applied, thanks!

[1/1] mcb: fix a double free bug in chameleon_parse_gdd()
      commit: 6201d09e2975ae5789879f79a6de4c38de9edd4a

Best regards,
-- 
Johannes Thumshirn <jth@...nel.org>