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1.34: Accessing remote device now requires root?

From: Christian Weisgerber
Subject: 1.34: Accessing remote device now requires root?
Date: Tue, 4 Apr 2023 22:50:53 +0200

As OpenBSD packager for GNU tar, I was contacted by a user who ran
into a problem with 1.34: Accessing a remote device is now only
possible as superuser.  Otherwise, tar will error out with

initgroups: Operation not permitted

initgroups(3) is indeed limited to the superuser.  The initgroups()
call came in via changes to sys_reset_uid_gid():

What does that even try to do?  Getting rid of running as set[ug]id?

Christian "naddy" Weisgerber                          naddy@mips.inka.de

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