Re: [PATCH v15 3/9] fuse: implement ioctls to manage backing files

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On Wed, Feb 28, 2024 at 1:14 PM Miklos Szeredi <miklos@xxxxxxxxxx> wrote:
> On Wed, 28 Feb 2024 at 12:08, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> > I don't think so, because it will allow unprivileged user to exceed its
> > nested rlimits and hide open files that are invisble to lsof.
> How does io_uring deal with the similar problem of "fixed files"?

Good question.

Jens, Chritian,
Are fixed files visible to lsof?
Do they have to remain open in the files table of process that set them
in addition to being registered as fixed files?
Do they get accounted in rlimit? of which user?


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