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From: "Darrick J. Wong" <djwong@kernel.org>
To: Carlos Maiolino <cem@kernel.org>
Cc: Long Li <leo.lilong@huawei.com>, linux-xfs@vger.kernel.org, hch@lst.de
Subject: Re: [PATCH 1/3] xfs: don't irele after failing to iget in xfs_attri_recover_work
Date: Thu, 26 Mar 2026 07:52:55 -0700	[thread overview]
Message-ID: <20260326145255.GZ6223@frogsfrogsfrogs> (raw)
In-Reply-To: <acUmASyA2rZQG7K_@nidhogg.toxiclabs.cc>

On Thu, Mar 26, 2026 at 01:28:20PM +0100, Carlos Maiolino wrote:
> On Mon, Mar 23, 2026 at 02:01:57PM -0700, Darrick J. Wong wrote:
> > From: Darrick J. Wong <djwong@kernel.org>
> > 
> > xlog_recovery_iget* never set @ip to a valid pointer if they return
> > zero,
> 
> * if they return an error * ?
> It will always return zero when setting @ip.
> 
> I can update it at commit time if you're ok with it.

Er, yes, "...if they return an error" is correct.

--D

> >so this irele will walk off a dangling pointer.  Fix that.
> > 
> > Cc: <stable@vger.kernel.org> # v6.10
> > Fixes: ae673f534a3097 ("xfs: record inode generation in xattr update log intent items")
> > Signed-off-by: Darrick J. Wong <djwong@kernel.org>
> > Reviewed-by: Long Li <leo.lilong@huawei.com>
> > Reviewed-by: Christoph Hellwig <hch@lst.de>
> > ---
> >  fs/xfs/xfs_attr_item.c |    1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/fs/xfs/xfs_attr_item.c b/fs/xfs/xfs_attr_item.c
> > index 354472bf45f145..fe909bc44c3a79 100644
> > --- a/fs/xfs/xfs_attr_item.c
> > +++ b/fs/xfs/xfs_attr_item.c
> > @@ -653,7 +653,6 @@ xfs_attri_recover_work(
> >  		break;
> >  	}
> >  	if (error) {
> > -		xfs_irele(ip);
> >  		XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, attrp,
> >  				sizeof(*attrp));
> >  		return ERR_PTR(-EFSCORRUPTED);
> > 
> 

  reply	other threads:[~2026-03-26 14:52 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-23 21:01 [PATCH 1/3] xfs: don't irele after failing to iget in xfs_attri_recover_work Darrick J. Wong
2026-03-23 21:03 ` [PATCH 2/3] xfs: don't expose stale pointers to callers of xlog_recover_iget Darrick J. Wong
2026-03-24  6:17   ` Christoph Hellwig
2026-03-24 17:15     ` Darrick J. Wong
2026-03-25  5:44       ` Christoph Hellwig
2026-03-26 13:04   ` Carlos Maiolino
2026-03-26 14:54     ` Darrick J. Wong
2026-03-23 21:04 ` [PATCH 3/3] xfs: remove file_path tracepoint data Darrick J. Wong
2026-03-24  6:18   ` Christoph Hellwig
2026-03-26 12:31   ` Carlos Maiolino
2026-03-26 12:28 ` [PATCH 1/3] xfs: don't irele after failing to iget in xfs_attri_recover_work Carlos Maiolino
2026-03-26 14:52   ` Darrick J. Wong [this message]
2026-03-26 12:32 ` Carlos Maiolino
2026-03-26 17:11 ` Carlos Maiolino

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