[Bug 294713] [Linuxulator] Implement basic entries for /proc/sys/fs

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 22 Apr 2026 20:33:17 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294713

            Bug ID: 294713
           Summary: [Linuxulator] Implement basic entries for /proc/sys/fs
           Product: Base System
           Version: 16.0-CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: rbranco@suse.com

Some entries can be mapped to the equivalent FreeBSD sysctls:

file-max: kern.maxfiles
file-nr: kern.openfiles 0 kern.maxfiles
nr_open: kern.maxfilesperproc
overflowuid: UID_NOBODY
overflowgid: GID_NOBODY (65534)
suid_dumpable: kern.sugid_coredump (0/1 subset of Linux 0/1/2)
protected_hardlinks: security.bsd.hardlink_check_uid ||
security.bsd.hardlink_check_gid

Will provide a fix soon.

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