linux-kernel - Re: [PATCH] NFSD: net ref data still needs to be freed even if net hasn't startup

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Message-ID: <176590095548.1010059.13663778125624320848.b4-ty@oracle.com>
Date: Tue, 16 Dec 2025 11:02:43 -0500
From: Chuck Lever <cel@...nel.org>
To: syzbot+6ee3b889bdeada0a6226@...kaller.appspotmail.com,
	Edward Adam Davis <eadavis@...com>
Cc: Chuck Lever <chuck.lever@...cle.com>,
	Dai.Ngo@...cle.com,
	jlayton@...nel.org,
	linux-kernel@...r.kernel.org,
	linux-nfs@...r.kernel.org,
	neil@...wn.name,
	okorniev@...hat.com,
	syzkaller-bugs@...glegroups.com,
	tom@...pey.com
Subject: Re: [PATCH] NFSD: net ref data still needs to be freed even if net hasn't startup

From: Chuck Lever <chuck.lever@...cle.com>

On Tue, 16 Dec 2025 18:27:37 +0800, Edward Adam Davis wrote:
> When the NFSD instance doesn't to startup, the net ref data memory is
> not properly reclaimed, which triggers the memory leak issue reported
> by syzbot [1].
> 
> To avoid the problem reported in [1], the net ref data memory reclamation
> action is moved outside of nfsd_net_up when the net is shutdown.
> 
> [...]

Applied to nfsd-testing, thanks!

[1/1] NFSD: net ref data still needs to be freed even if net hasn't startup
      commit: 339bafeb9942cb3f42c34ed5fcf1fbe377a492da

--
Chuck Lever