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From: Christoph Hellwig <hch@infradead.org>
To: Erin Shepherd <erin.shepherd@e43.eu>
Cc: Christian Brauner <brauner@kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>, Jan Kara <jack@suse.cz>,
	Chuck Lever <chuck.lever@oracle.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	Jeff Layton <jlayton@kernel.org>,
	Amir Goldstein <amir73il@gmail.com>,
	linux-nfs@vger.kernel.org
Subject: Re: [PATCH v2 2/3] exportfs: allow fs to disable CAP_DAC_READ_SEARCH check
Date: Wed, 13 Nov 2024 20:37:53 -0800	[thread overview]
Message-ID: <ZzV-oVtytT28gHz2@infradead.org> (raw)
In-Reply-To: <20241113-pidfs_fh-v2-2-9a4d28155a37@e43.eu>

On Wed, Nov 13, 2024 at 05:55:24PM +0000, Erin Shepherd wrote:
> For pidfs, there is no reason to restrict file handle decoding by
> CAP_DAC_READ_SEARCH.

Why is there no reason, i.e. why do you think it is safe.

>Introduce an export_ops flag that can indicate
> this

Also why is is desirable?

To be this looks more than sketchy with the actual exporting hat on,
but I guess that's now how the cool kids use open by handle these days.

  parent reply	other threads:[~2024-11-14  4:37 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-01 13:54 [PATCH 0/4] pidfs: implement file handle support Erin Shepherd
2024-11-01 13:54 ` [PATCH 1/4] pseudofs: add support for export_ops Erin Shepherd
2024-11-12 15:56   ` Amir Goldstein
2024-11-01 13:54 ` [PATCH 2/4] pidfs: implement file handle export support Erin Shepherd
2024-11-12 15:55   ` Amir Goldstein
2024-11-01 13:54 ` [PATCH 3/4] pid: introduce find_get_pid_ns Erin Shepherd
2024-11-12 15:59   ` Amir Goldstein
2024-11-01 13:54 ` [PATCH 4/4] pidfs: implement fh_to_dentry Erin Shepherd
2024-11-12 16:33   ` Amir Goldstein
2024-11-12 23:51   ` Jeff Layton
2024-11-13  8:01     ` Amir Goldstein
2024-11-13 10:11       ` Erin Shepherd
2024-11-13 12:21         ` Christian Brauner
2024-11-13 12:09   ` Christian Brauner
2024-11-13 13:06     ` Erin Shepherd
2024-11-13 13:26       ` Christian Brauner
2024-11-13 13:48         ` Erin Shepherd
2024-11-14 10:29           ` Christian Brauner
2024-11-14 12:21             ` Erin Shepherd
2024-11-12 13:10 ` [PATCH 0/4] pidfs: implement file handle support Christian Brauner
2024-11-12 13:57   ` Jeff Layton
2024-11-12 22:43     ` Erin Shepherd
2024-11-13  0:37       ` Darrick J. Wong
2024-11-13 11:35       ` Christian Brauner
2024-11-13 17:55       ` [PATCH v2 0/3] " Erin Shepherd
2024-11-13 17:55         ` [PATCH v2 1/3] pseudofs: add support for export_ops Erin Shepherd
2024-11-13 17:55         ` [PATCH v2 2/3] exportfs: allow fs to disable CAP_DAC_READ_SEARCH check Erin Shepherd
2024-11-13 22:50           ` kernel test robot
2024-11-14  1:29           ` kernel test robot
2024-11-14  4:37           ` Christoph Hellwig [this message]
2024-11-14 12:56             ` Erin Shepherd
2024-11-14  6:37           ` Amir Goldstein
2024-11-14 14:16             ` Christian Brauner
2024-11-13 17:55         ` [PATCH v2 3/3] pidfs: implement file handle support Erin Shepherd
2024-11-14  7:07           ` Amir Goldstein
2024-11-14 12:42             ` Erin Shepherd
2024-11-14 12:52           ` Christian Brauner
2024-11-14 13:13             ` Erin Shepherd
2024-11-14 14:13               ` Christian Brauner
2024-11-14 21:52                 ` Erin Shepherd
2024-11-15  7:50                   ` Amir Goldstein
2024-11-14  7:02         ` [PATCH v2 0/3] " Amir Goldstein
2024-11-14 12:48           ` Erin Shepherd
2024-11-14 14:27             ` Christian Brauner
2024-11-28 12:33               ` [PATCH RFC 0/2] pidfs: file handle preliminaries Christian Brauner
2024-11-28 12:33                 ` [PATCH RFC 1/2] pidfs: rework inode number allocation Christian Brauner
2024-11-28 17:19                   ` Amir Goldstein
2024-11-28 12:33                 ` [PATCH RFC 2/2] pidfs: remove 32bit inode number handling Christian Brauner
2024-11-28 17:06                 ` [PATCH RFC 0/2] pidfs: file handle preliminaries Amir Goldstein
2024-11-14 16:10             ` [PATCH v2 0/3] pidfs: implement file handle support Amir Goldstein
2024-11-12 23:03   ` [PATCH 0/4] " Erin Shepherd
2024-11-13  0:40     ` Darrick J. Wong
2024-11-13 10:17       ` Erin Shepherd
2024-11-13 13:29         ` Jeff Layton
2024-11-13 14:41           ` Chuck Lever III
2024-11-14 10:39             ` Christian Brauner
2024-11-14  6:55           ` Amir Goldstein

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