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From: Miklos Szeredi <miklos@szeredi.hu>
To: Alessio Balsini <balsini@android.com>
Cc: Akilesh Kailash <akailash@google.com>,
	Amir Goldstein <amir73il@gmail.com>,
	Antonio SJ Musumeci <trapexit@spawn.link>,
	David Anderson <dvander@google.com>,
	Giuseppe Scrivano <gscrivan@redhat.com>,
	Jann Horn <jannh@google.com>, Jens Axboe <axboe@kernel.dk>,
	Martijn Coenen <maco@android.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Lawrence <paullawrence@google.com>,
	Stefano Duo <stefanoduo@google.com>,
	Zimuzo Ezeozue <zezeozue@google.com>,
	fuse-devel <fuse-devel@lists.sourceforge.net>,
	kernel-team <kernel-team@android.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V9 2/4] fuse: Trace daemon creds
Date: Wed, 30 Sep 2020 20:45:08 +0200
Message-ID: <CAJfpegvvf4MfO4Jw5A=TJJfrxN_1xFTmwBJ2bb9UfzYBgkhzzQ@mail.gmail.com> (raw)
In-Reply-To: <20200924131318.2654747-3-balsini@android.com>

On Thu, Sep 24, 2020 at 3:13 PM Alessio Balsini <balsini@android.com> wrote:
>
> Add a reference to the FUSE daemon credentials, so that they can be used to
> temporarily raise the user credentials when accessing lower file system
> files in passthrough.

Hmm, I think it would be better to store the creds of the ioctl()
caller together with the open file.   The mounter may deliberately
have different privileges from the process doing the actual I/O.

Thanks,
Miklos

  reply index

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-24 13:13 [PATCH V9 0/4] fuse: Add support for passthrough read/write Alessio Balsini
2020-09-24 13:13 ` [PATCH V9 1/4] fuse: Definitions and ioctl() for passthrough Alessio Balsini
2020-09-29 14:37   ` Alessio Balsini
2020-09-30 15:44   ` Miklos Szeredi
2020-10-22 16:12     ` Alessio Balsini
2020-09-24 13:13 ` [PATCH V9 2/4] fuse: Trace daemon creds Alessio Balsini
2020-09-30 18:45   ` Miklos Szeredi [this message]
2020-09-30 19:16     ` Antonio SJ Musumeci
2020-10-22 16:14       ` Alessio Balsini
2020-09-24 13:13 ` [PATCH V9 3/4] fuse: Introduce synchronous read and write for passthrough Alessio Balsini
2020-09-30 18:50   ` Miklos Szeredi
2020-10-22 16:17     ` Alessio Balsini
2020-09-24 13:13 ` [PATCH V9 4/4] fuse: Handle asynchronous read and write in passthrough Alessio Balsini
2020-09-30 18:54   ` Miklos Szeredi
2020-10-22 16:38     ` Alessio Balsini
2020-09-30 15:33 ` [PATCH V9 0/4] fuse: Add support for passthrough read/write Miklos Szeredi
2020-10-02 13:38   ` Alessio Balsini
2020-10-21 15:39     ` Alessio Balsini

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