From nobody Wed Aug 30 11:04:56 2023 X-Original-To: current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RbLzb6XgXz4s1NN for ; Wed, 30 Aug 2023 11:04:59 +0000 (UTC) (envelope-from dchagin@heemeyer.club) Received: from heemeyer.club (heemeyer.club [195.93.173.158]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4RbLzZ34S0z4GpW for ; Wed, 30 Aug 2023 11:04:58 +0000 (UTC) (envelope-from dchagin@heemeyer.club) Authentication-Results: mx1.freebsd.org; dkim=none; spf=none (mx1.freebsd.org: domain of dchagin@heemeyer.club has no SPF policy when checking 195.93.173.158) smtp.mailfrom=dchagin@heemeyer.club; dmarc=none Received: from heemeyer.club (localhost [127.0.0.1]) by heemeyer.club (8.17.2/8.16.1) with ESMTP id 37UB4u65010950 for ; Wed, 30 Aug 2023 14:04:56 +0300 (MSK) (envelope-from dchagin@heemeyer.club) Received: (from dchagin@localhost) by heemeyer.club (8.17.2/8.16.1/Submit) id 37UB4uTx010949 for current@freebsd.org; Wed, 30 Aug 2023 14:04:56 +0300 (MSK) (envelope-from dchagin) Date: Wed, 30 Aug 2023 14:04:56 +0300 From: Dmitry Chagin To: current@freebsd.org Subject: Re: Possible issue with linux xattr support? Message-ID: References: List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spamd-Bar: / X-Spamd-Result: default: False [-0.79 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; AUTH_NA(1.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.988]; FORGED_SENDER(0.30)[dchagin@freebsd.org,dchagin@heemeyer.club]; MIME_GOOD(-0.10)[text/plain]; ASN(0.00)[asn:61400, ipnet:195.93.173.0/24, country:RU]; R_DKIM_NA(0.00)[]; MLMMJ_DEST(0.00)[current@freebsd.org]; DMARC_NA(0.00)[freebsd.org]; R_SPF_NA(0.00)[no SPF record]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_ONE(0.00)[1]; FROM_NEQ_ENVFROM(0.00)[dchagin@freebsd.org,dchagin@heemeyer.club]; FREEFALL_USER(0.00)[dchagin]; RCVD_COUNT_TWO(0.00)[2]; ARC_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[current@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; TO_DOM_EQ_FROM_DOM(0.00)[] X-Rspamd-Queue-Id: 4RbLzZ34S0z4GpW On Wed, Aug 30, 2023 at 12:58:45PM +0200, Felix Palmen wrote: > * Dmitry Chagin [20230830 13:48]: > > On Wed, Aug 30, 2023 at 12:01:13PM +0200, Felix Palmen wrote: > > > Unfortunately, install from GNU coreutils is now unable to install > > > anything again. I tried both as 'nobody' and as 'root', it doesn't make > > > a difference: > > > [...] > > > I assume the fsetxattr call needs some adjustment of error codes as well > > > to make GNU tools play nice. > > > > > > > I don't changed setxattr syscalls due to EPERM is a valid error from it, > > however here's the essential difference between Linux and FreeBSD. > > FreeBSD does not permits manipulatingg attributes in the > > system namespace for unprivileged accounts. > > Interesting! (and, a weird design ...) > > > https://people.freebsd.org/~dchagin/xattr.patch > > Yes, that's basically the same change I meanwhile did locally, except I > restricted the adjustment to cases of writing the system namespace -- > not sure that's good for anything though. > > In short: Works fine that way! > Thanks, I see, I agree with your change, taken into account.