linux-kernel - Re: [PATCH 2/2] maple_tree: Add testing for restoring maple state to active

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20250625012257.nboiu2fqfcwhynct@master>
Date: Wed, 25 Jun 2025 01:22:57 +0000
From: Wei Yang <richard.weiyang@...il.com>
To: "Liam R. Howlett" <Liam.Howlett@...cle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	maple-tree@...ts.infradead.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Wei Yang <richard.weiyang@...il.com>,
	kernel test robot <oliver.sang@...el.com>
Subject: Re: [PATCH 2/2] maple_tree: Add testing for restoring maple state to
 active

On Tue, Jun 24, 2025 at 11:48:23AM -0400, Liam R. Howlett wrote:
>Restoring maple status to ma_active on overflow/underflow when mas->node
>was NULL could have happened in the past, but was masked by a bug in
>mas_walk().  Add test cases that triggered the bug when the node was
>mas->node prior to fixing the maple state setup.
>
>Add a few extra tests around restoring the active maple status.
>
>Link: https://lore.kernel.org/all/202506191556.6bfc7b93-lkp@intel.com/
>Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>

Reviewed-by: Wei Yang <richard.weiyang@...il.com>

-- 
Wei Yang
Help you, Help me