linux-hardening - Re: [PATCH] orangefs: cleanup uses of strncpy

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Message-ID: <20240401-redewendung-retten-132ff0ea272d@brauner>
Date: Mon,  1 Apr 2024 10:52:57 +0200
From: Christian Brauner <brauner@...nel.org>
To: Mike Marshall <hubcap@...ibond.com>,
	Martin Brandenburg <martin@...ibond.com>,
	Justin Stitt <justinstitt@...gle.com>
Cc: Christian Brauner <brauner@...nel.org>,
	devel@...ts.orangefs.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH] orangefs: cleanup uses of strncpy

On Fri, 22 Mar 2024 21:41:18 +0000, Justin Stitt wrote:
> strncpy() is deprecated for use on NUL-terminated destination strings
> [1] and as such we should prefer more robust and less ambiguous string
> interfaces.
> 
> There is some care taken to ensure these destination buffers are
> NUL-terminated by bounding the strncpy()'s by ORANGEFS_NAME_MAX - 1 or
> ORANGEFS_MAX_SERVER_ADDR_LEN - 1. Instead, we can use the new 2-argument
> version of strscpy() to guarantee NUL-termination on the destination
> buffers while simplifying the code.
> 
> [...]

If this needs to go separately from the vfs trees let me know.

---

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

[1/1] orangefs: cleanup uses of strncpy
      https://git.kernel.org/vfs/vfs/c/fc10fed37526