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From: Andrew Morton <akpm@linux-foundation.org>
To: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Heming Zhao <heming.zhao@suse.com>, Mark Fasheh <mark@fasheh.com>,
	Joel Becker <jlbec@evilplan.org>,
	ocfs2-devel@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] ocfs2: fix stale xattr entry pointers and empty header reads
Date: Sat, 24 Oct 2026 10:37:09 -0700	[thread overview]
Message-ID: <20261024103709.7ada16bbca6403787892cb5c@linux-foundation.org> (raw)
In-Reply-To: <20261024151012.1059683-1-joseph.qi@linux.alibaba.com>

On Sat, 24 Oct 2026 23:10:06 +0800 Joseph Qi <joseph.qi@linux.alibaba.com> wrote:

> Five defects in the ocfs2 extended attribute code, plus one robustness
> measure that belongs with them, all on the paths that move entries
> between a block, a bucket and an index tree.  They fall into two groups.
> 

Thanks.

The series is a little awkward - [1/6] is "no functional change" hence
it's upstream-in-7.5-rc1 material.

The other 5 are cc:stable fixes, so they're upstream-in-7.4-rcX material.

That means splitting the series and it means upstreaming an untested
code combination - 2-5 haven't been tested without the presence of
[1/6].

I think I'll just cheat a bit.  I'll keep all 6 together and I'll put
them in mm-nonmm-unstable for now.  After Linus releases 7.4-rc1 I'll
move all 6 into mm-nonmm-hotfixes-unstable for upstreaming during the
7.4-rcX cycle.

I'll add 

Fixes: e39baff18b85 ("ocfs2: use the stored hash when checking xattr bucket collision")

to [1/6] just to make things look better and to reduce the risk
associated with -stable running that untested code combination.

      parent reply	other threads:[~2026-10-24 17:37 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-24 15:10 Joseph Qi
2026-10-24 15:10 ` [PATCH 1/6] ocfs2: read the xattr entry hash before defragmenting the bucket Joseph Qi
2026-10-24 15:10 ` [PATCH 2/6] ocfs2: find the xattr entry again after defragmenting a bucket Joseph Qi
2026-10-24 15:10 ` [PATCH 3/6] ocfs2: find the xattr entry again after converting a block to " Joseph Qi
2026-10-24 15:10 ` [PATCH 4/6] ocfs2: do not read the entry array of an empty xattr bucket Joseph Qi
2026-10-24 15:10 ` [PATCH 5/6] ocfs2: do not index before the entry array when dividing an empty bucket Joseph Qi
2026-10-24 15:10 ` [PATCH 6/6] ocfs2: do not read the entry array of an empty xattr block Joseph Qi
2026-10-24 17:37 ` Andrew Morton [this message]

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