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From: Salvatore Bonaccorso <carnil@debian.org>
To: Thorsten Leemhuis <regressions@leemhuis.info>, 1128861@bugs.debian.org
Cc: Tj <tj.iam.tj@proton.me>, Neil Brown <neilb@suse.de>,
	linux-nfs@vger.kernel.org,
	Olga Kornievskaia <okorniev@redhat.com>,
	stable@vger.kernel.org, Chuck Lever <chuck.lever@oracle.com>,
	Jeff Layton <jlayton@kernel.org>
Subject: Re: Bug#1128861: Regression: Missing check in nfsd_permission() causes -ENOLCK No locks available
Date: Wed, 4 Mar 2026 11:28:34 +0100	[thread overview]
Message-ID: <aagJUlFIJkjgbEHQ@eldamar.lan> (raw)
In-Reply-To: <418f30b5-06ae-471f-bf5f-f14f3f75deff@leemhuis.info>

Control: found -1 6.19.5-1~exp1
Hi,

On Fri, Feb 27, 2026 at 10:54:13AM +0100, Thorsten Leemhuis wrote:
> [CCing a few people and lists]
> 
> On 2/24/26 03:09, Tj wrote:
> > Upstream commit 4cc9b9f2bf4dfe13fe573 "nfsd: refine and rename 
> > NFSD_MAY_LOCK" and
> >   stable v6.12.54 commit 18744bc56b0ec
> 
> In case anyone just like me is wondering: the latter is a backport of
> the former.
> 
> >  (re)moves checks from  fs/nfsd/vfs.c::nfsd_permission().>   This causes NFS clients to see
> > 
> > $ flock -e -w 4 /srv/NAS/test/debian-13.3.0-amd64-netinst.iso sleep 1
> > flock: /srv/NAS/test/debian-13.3.0-amd64-netinst.iso: No locks available
> 
> Does this happen on mainline (e.g. 7.0-rc1) as well?

Not tested 7.0-rc2, but the issue is reproducible still in 6.19.5.

Regards,
Salvatore

  reply	other threads:[~2026-03-04 10:28 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-24  2:09 Regression: Missing check in nfsd_permission() causes -ENOLCK No locks available Tj
2026-02-24 12:50 ` Tj
2026-02-27  9:54 ` Thorsten Leemhuis
2026-03-04 10:28   ` Salvatore Bonaccorso [this message]
2026-03-04 15:05   ` Olga Kornievskaia
2026-03-12 12:30   ` Jeff Layton
2026-03-12 22:39     ` NeilBrown
2026-03-13 14:11       ` Jeff Layton
2026-03-04 15:44 ` Sasha Levin
2026-03-04 23:03 ` NeilBrown
2026-03-12  8:55   ` Thorsten Leemhuis
2026-03-12 12:10     ` Jeff Layton
2026-03-24 10:13       ` [PATCH] lockd: fix TEST handling when not all permissions are available NeilBrown
2026-03-24 11:25         ` Jeff Layton
2026-03-25  6:44           ` NeilBrown
2026-03-24 14:59         ` Chuck Lever
2026-03-25  7:08           ` NeilBrown
2026-03-25 13:28             ` Chuck Lever
2026-03-25 20:29             ` Bug#1128861: " Ben Hutchings

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