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Re: [PATCH RFC 38/41] fuse: refuse files on pseudo filesystems as passthrough backing files
- To: Christian Brauner <brauner@xxxxxxxxxx>
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Wed, 11 Nov 2026 16:12:02 +0100
- Authentication-results: eu.smtp.expurgate.cloud; none
- Cc: linux-fsdevel@xxxxxxxxxxxxxxx, Jann Horn <jannh@xxxxxxxxxx>, Chris Mason <mason@xxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, target-devel@xxxxxxxxxxxxxxx, driver-core@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, bpf@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, selinux@xxxxxxxxxxxxxxx, apparmor@xxxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, fuse-devel@xxxxxxxxxxxxxxx, linux-efi@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-usb@xxxxxxxxxxxxxxx, Amir Goldstein <amir73il@xxxxxxxxx>, linux-erofs@xxxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx
- Delivery-date: Wed, 11 Nov 2026 15:22:17 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
I've seen setups where people use fuse to mediate access to sysfs
sysfs in odd ways. No idea if that's still around, but if so, this
patch will break it.
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