linux-kernel - Re: [PATCH AUTOSEL 6.10 45/70] fuse: handle idmappings properly in ->write

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Message-ID: <CAJfpegumr4qf7MmKshr0BuQ3-KBKoujfgwtfDww4nYbyUpdzng@mail.gmail.com>
Date: Mon, 7 Oct 2024 12:05:06 +0200
From: Miklos Szeredi <miklos@...redi.hu>
To: Sasha Levin <sashal@...nel.org>
Cc: linux-kernel@...r.kernel.org, stable@...r.kernel.org, 
	Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>, Miklos Szeredi <mszeredi@...hat.com>, 
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 6.10 45/70] fuse: handle idmappings properly in ->write_iter()

On Fri, 4 Oct 2024 at 20:23, Sasha Levin <sashal@...nel.org> wrote:
>
> From: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
>
> [ Upstream commit 5b8ca5a54cb89ab07b0389f50e038e533cdfdd86 ]
>
> This is needed to properly clear suid/sgid.
>
> Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
> Signed-off-by: Miklos Szeredi <mszeredi@...hat.com>
> Signed-off-by: Sasha Levin <sashal@...nel.org>

AFAICS, this commit shouldn't be backported to any kernel.

Hopefully it would do nothing, since idmapped fuse mounts are not
enabled before v6.12, but still...

Thanks,
Miklos