Re: git: babab49eee94 - main - chroot: don't setgroups() without -G having been specified

From: Kyle Evans <kevans_at_FreeBSD.org>
Date: Wed, 13 Aug 2025 16:21:39 UTC
On 8/12/25 23:14, Philip Paeps wrote:
> On 2025-08-12 12:30:56 (+0000), Kyle Evans wrote:
>> The branch main has been updated by kevans:
>>
>> URL: https://cgit.FreeBSD.org/src/commit/? 
>> id=babab49eee9472f628d774996de13d13d296c8c0
>>
>> commit babab49eee9472f628d774996de13d13d296c8c0
>> Author:     Kyle Evans <kevans@FreeBSD.org>
>> AuthorDate: 2025-08-12 12:14:38 +0000
>> Commit:     Kyle Evans <kevans@FreeBSD.org>
>> CommitDate: 2025-08-12 12:30:23 +0000
>>
>>    chroot: don't setgroups() without -G having been specified
>>
>>    We previously would not have setgroups() at all, but now we would drop
>>    our supplementary groups every time.  This broke chroot -n, probably
>>    among other things.  We need tests here, but lets unbreak things 
>> first.
>>
>>    A future change may try to setgroups(2) when -u is specified in 
>> addition
>>    to -G, so predicate the call on gidlist and don't populate that 
>> without
>>    a grouplist.
>>
>>    PR:             288751
>>    Fixes:  48fd05999b0f ("chroot: don't clobber the egid [...]")
> 
> Thank you!
> 
> This made the FreeBSD-kmods builds happy again. :)
> 

Excellent, thanks for confirming!  Sorry for the breakage-