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From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
	outbounddisclosures@openai.com, Kyle Zeng <kylebot@openai.com>
Subject: Re: [PATCH 6.12.y] bcachefs: validate disk group parent chains
Date: Fri, 12 Jun 2026 10:41:17 -0400	[thread overview]
Message-ID: <20260612-stable-reply-bcachefs-0004@kernel.org> (raw)
In-Reply-To: <20260611223835.73757-1-kylebot@openai.com>

On Thu, Jun 11, 2026 at 03:38:35PM -0700, Kyle Zeng wrote:
> Reject parent IDs outside the disk-group table, parents that reference
> deleted groups, and cyclic parent chains before the groups are imported.
> This prevents crafted superblocks from making the CPU conversion walk
> past cpu_g->entries.

Thanks for the fix. I can't queue this for stable, though: there's no
upstream commit (bcachefs was removed from mainline after 6.12) and no
maintainer Reviewed-by/Acked-by. I won't take a stable-only change for
a removed subsystem without upstream presence or a maintainer ack.

If you can get Kent to review and ack it, I'll reconsider.

--
Thanks,
Sasha

      reply	other threads:[~2026-06-12 14:41 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-11 22:38 [PATCH 6.12.y] bcachefs: validate disk group parent chains Kyle Zeng
2026-06-12 14:41 ` Sasha Levin [this message]

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