linux-kernel - Re: [PATCH v2 00/29] cred: rework {override,revert}

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Message-ID: <20241126-bedarf-klonen-fa5955090f83@brauner>
Date: Tue, 26 Nov 2024 10:57:23 +0100
From: Christian Brauner <brauner@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Christian Brauner <brauner@...nel.org>,
	Amir Goldstein <amir73il@...il.com>,
	Miklos Szeredi <miklos@...redi.hu>,
	Al Viro <viro@...iv.linux.org.uk>,
	Jens Axboe <axboe@...nel.dk>,
	linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v2 00/29] cred: rework {override,revert}_creds()

On Mon, 25 Nov 2024 15:09:56 +0100, Christian Brauner wrote:
> For the v6.13 cycle we switched overlayfs to a variant of
> override_creds() that doesn't take an extra reference. To this end I
> suggested introducing {override,revert}_creds_light() which overlayfs
> could use.
> 
> This seems to work rather well. This series follow Linus advice and
> unifies the separate helpers and simply makes {override,revert}_creds()
> do what {override,revert}_creds_light() currently does. Caller's that
> really need the extra reference count can take it manually.
> 
> [...]

Applied to the kernel.cred branch of the vfs/vfs.git tree.
Patches in the kernel.cred branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: kernel.cred

[01/29] tree-wide: s/override_creds()/override_creds_light(get_new_cred())/g
        https://git.kernel.org/vfs/vfs/c/166096e12ea2
[02/29] cred: return old creds from revert_creds_light()
        https://git.kernel.org/vfs/vfs/c/0f8b3bd1b3cc
[03/29] tree-wide: s/revert_creds()/put_cred(revert_creds_light())/g
        https://git.kernel.org/vfs/vfs/c/eb194f385c7a
[04/29] cred: remove old {override,revert}_creds() helpers
        https://git.kernel.org/vfs/vfs/c/eeb9c41696a9
[05/29] tree-wide: s/override_creds_light()/override_creds()/g
        https://git.kernel.org/vfs/vfs/c/8b9b75bc7a7f
[06/29] tree-wide: s/revert_creds_light()/revert_creds()/g
        https://git.kernel.org/vfs/vfs/c/5e0c1ca92141
[07/29] firmware: avoid pointless reference count bump
        https://git.kernel.org/vfs/vfs/c/0fc8b46c9698
[08/29] sev-dev: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/6fb26cb0712b
[09/29] target_core_configfs: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/2a7cf8f44396
[10/29] aio: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/01d3402ff15e
[11/29] binfmt_misc: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/0d80b0eeca95
[12/29] coredump: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/1c51da6bee5b
[13/29] nfs/localio: avoid pointless cred reference count bumps
        https://git.kernel.org/vfs/vfs/c/b5c4d8852ca4
[14/29] nfs/nfs4idmap: avoid pointless reference count bump
        https://git.kernel.org/vfs/vfs/c/5549222d7969
[15/29] nfs/nfs4recover: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/95c7b08dc110
[16/29] nfsfh: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/9b7d4076e164
[17/29] open: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/a58084535085
[18/29] ovl: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/70545c2bb39e
[19/29] cifs: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/2225ba3d36a0
[20/29] cifs: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/2225ba3d36a0
[21/29] smb: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/55545232890f
[22/29] io_uring: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/bf8820866809
[23/29] acct: avoid pointless reference count bump
        https://git.kernel.org/vfs/vfs/c/11c99d734a22
[24/29] cgroup: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/f9844cf85703
[25/29] trace: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/5f10fe797c1d
[26/29] dns_resolver: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/97f0beb2aa35
[27/29] cachefiles: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/b25b2b31265a
[28/29] nfsd: avoid pointless cred reference count bump
        https://git.kernel.org/vfs/vfs/c/c45990a2e032
[29/29] cred: remove unused get_new_cred()
        https://git.kernel.org/vfs/vfs/c/d9bf032c76d9