linux-kernel - Re: [PATCH 5.10/5.15/6.1 0/1] nilfs2: fix WARNING in nilfs_dat_prepare

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Date: Tue, 20 Feb 2024 08:44:02 +0000
From: Roman Smirnov <r.smirnov@....ru>
To: "stable@...r.kernel.org" <stable@...r.kernel.org>, Greg Kroah-Hartman
	<gregkh@...uxfoundation.org>
CC: Ryusuke Konishi <konishi.ryusuke@...il.com>, "linux-nilfs@...r.kernel.org"
	<linux-nilfs@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, Alexey Khoroshilov <khoroshilov@...ras.ru>,
	"lvc-project@...uxtesting.org" <lvc-project@...uxtesting.org>, "Sergey
 Shtylyov" <s.shtylyov@....ru>, Karina Yankevich <k.yankevich@....ru>, "Andrey
 Rusalin" <a.rusalin@....ru>, Sergey Yudin <s.yudin@....ru>, "Valentin
 Perevozchikov" <v.perevozchikov@....ru>
Subject: Re: [PATCH 5.10/5.15/6.1 0/1] nilfs2: fix WARNING in
 nilfs_dat_prepare_end()

On Thu, 8 Feb 2024 17:42:41 +0300, Roman Smirnov wrote:
> Syzkaller reports WARNING in nilfs_dat_prepare_end() in 5.10, 5.15 and 6.1
> stable releases. The problem has been fixed in upstream:
> https://syzkaller.appspot.com/bug?extid=5d5d25f90f195a3cfcb4
>
> The problem can also be fixed in versions 5.10, 5.15 and 6.1 by the
> following patch.
>
> Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
> 
> Link: https://syzkaller.appspot.com/bug?extid=325e6b0a1e7cf9035cc0
> Link: https://syzkaller.appspot.com/bug?extid=bebf30d67ea2569f0fd3
> 
> Ryusuke Konishi (1):
>  nilfs2: replace WARN_ONs for invalid DAT metadata block requests
>
>  fs/nilfs2/dat.c | 27 +++++++++++++++++----------
>  1 file changed, 17 insertions(+), 10 deletions(-)

Sorry to bother you, do you have any comments on the patch?