linux-kernel - Re: [PATCH] jfs: Fix array-index-out-of-bounds in diFree

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Date: Fri, 26 Apr 2024 04:27:40 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Jeongjun Park <aha310510@...il.com>
Cc: dave.kleikamp@...cle.com, brauner@...nel.org,
	jfs-discussion@...ts.sourceforge.net, jlayton@...nel.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	shaggy@...nel.org,
	syzbot+241c815bda521982cb49@...kaller.appspotmail.com,
	syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] jfs: Fix array-index-out-of-bounds in diFree

On Fri, Apr 26, 2024 at 11:34:12AM +0900, Jeongjun Park wrote:
> I forgot to add Dave to the cc, so I'm sending it again.
> 
> Send final patch. With the patch that modified the location of
> release_metapage(), out-of-bounds vulnerabilities can now be
> sufficiently prevented.

This is not a good commit message.

> +	if(agno >= MAXAG || agno < 0)

Please follow normal kernel whitespace rules -- one space between 'if'
and the open paren.