linux-kernel - Re: [PATCH] vfs: show filesystem name at dump

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Message-ID: <20250811-bahnhof-paare-593afaae19b5@brauner>
Date: Mon, 11 Aug 2025 15:51:01 +0200
From: Christian Brauner <brauner@...nel.org>
To: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc: Christian Brauner <brauner@...nel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Jan Kara <jack@...e.cz>,
	Mateusz Guzik <mjguzik@...il.com>
Subject: Re: [PATCH] vfs: show filesystem name at dump_inode()

On Mon, 11 Aug 2025 15:50:28 +0900, Tetsuo Handa wrote:
> Commit 8b17e540969a ("vfs: add initial support for CONFIG_DEBUG_VFS") added
> dump_inode(), but dump_inode() currently reports only raw pointer address.
> Comment says that adding a proper inode dumping routine is a TODO.
> 
> However, syzkaller concurrently tests multiple filesystems, and several
> filesystems started calling dump_inode() due to hitting VFS_BUG_ON_INODE()
> added by commit af153bb63a33 ("vfs: catch invalid modes in may_open()")
> before a proper inode dumping routine is implemented.
> 
> [...]

Applied to the vfs-6.18.misc branch of the vfs/vfs.git tree.
Patches in the vfs-6.18.misc 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: vfs-6.18.misc

[1/1] vfs: show filesystem name at dump_inode()
      https://git.kernel.org/vfs/vfs/c/ecb060536446