lkml.org 
[lkml]   [2024]   [Apr]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] alloc_tag: Tighten file permissions on /proc/allocinfo
On Thu, Apr 25, 2024 at 08:58:34PM -0400, Kent Overstreet wrote:
> On Thu, Apr 25, 2024 at 05:43:33PM -0700, Kees Cook wrote:
> > All this said, I'm still not excited about any of these files living
> > in /proc at all -- we were supposed to use /sys for this kind of thing,
> > but its interface wasn't great for this kind of more "free-form" data,
> > and debugfs isn't good for production interfaces. /proc really should
> > only have pid information -- we end up exposing these top-level files to
> > every mount namespace with a /proc mount. :( But that's a yet-to-be-solved
> > problem...
>
> It really wouldn't be that hard to relax the 4k file limit in sysfs.

It's a lot harder to relax the GregKH opposition to multiple values per
file in sysfs.

\
 
 \ /
  Last update: 2024-05-27 18:04    [W:0.062 / U:0.348 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site