linux-kernel - Re: [syzbot] Re: [PATCH 0/3] ocfs2: Fix deadlocks in quota recovery

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Message-ID: <68007da9.050a0220.5cdb3.000b.GAE@google.com>
Date: Wed, 16 Apr 2025 21:03:53 -0700
From: syzbot <syzbot+f59a1ae7b7227c859b8f@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] Re: [PATCH 0/3] ocfs2: Fix deadlocks in quota recovery

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Subject: Re: [PATCH 0/3] ocfs2: Fix deadlocks in quota recovery
Author: heming.zhao@...e.com

I created a branch for these 3 patch files. Let's ask syzbot to test them.

syzbot page: https://syzkaller.appspot.com/bug?extid=f59a1ae7b7227c859b8f

#syz test: https://github.com/zhaohem/linux jans_ocfs2

On 4/3/25 19:32, Jan Kara wrote:
> Hello,
> 
> this implements another approach to fixing quota recovery deadlocks. We avoid
> grabbing sb->s_umount semaphore from ocfs2_finish_quota_recovery() and instead
> stop quota recovery early in ocfs2_dismount_volume(). Please review and test,
> the series has been only lightly tested in local mode as I don't have
> proper OCFS2 test setup.
> 
> 								Honza
>