From nobody Mon Aug 28 11:06:33 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 4RZ76Q6HnHz4rR5m for ; Mon, 28 Aug 2023 11:06:38 +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 4RZ76N5Vkyz3Xnb; Mon, 28 Aug 2023 11:06:36 +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 37SB6XI2066517; Mon, 28 Aug 2023 14:06:33 +0300 (MSK) (envelope-from dchagin@heemeyer.club) Received: (from dchagin@localhost) by heemeyer.club (8.17.2/8.16.1/Submit) id 37SB6XA9066516; Mon, 28 Aug 2023 14:06:33 +0300 (MSK) (envelope-from dchagin) Date: Mon, 28 Aug 2023 14:06:33 +0300 From: Dmitry Chagin To: current@freebsd.org Cc: jamie@freebsd.org Subject: Re: Possible issue with linux xattr support? Message-ID: References: <3q2k3tje2ig2s6wzy4hzvjmoyejiecminvcvevivumtukxrgki@btnpjbztyfa6> 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-Result: default: False [-0.39 / 15.00]; SUBJECT_ENDS_QUESTION(1.00)[]; AUTH_NA(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.59)[-0.590]; FORGED_SENDER(0.30)[dchagin@freebsd.org,dchagin@heemeyer.club]; MIME_GOOD(-0.10)[text/plain]; R_SPF_NA(0.00)[no SPF record]; MLMMJ_DEST(0.00)[current@freebsd.org]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:61400, ipnet:195.93.173.0/24, country:RU]; RCPT_COUNT_TWO(0.00)[2]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[freebsd.org]; FREEFALL_USER(0.00)[dchagin]; ARC_NA(0.00)[]; FROM_NEQ_ENVFROM(0.00)[dchagin@freebsd.org,dchagin@heemeyer.club]; FROM_HAS_DN(0.00)[]; TO_DN_NONE(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-Spamd-Bar: / X-Rspamd-Queue-Id: 4RZ76N5Vkyz3Xnb On Sun, Aug 27, 2023 at 09:55:23PM +0200, Felix Palmen wrote: > * Dmitry Chagin [20230827 22:46]: > > On Sun, Aug 27, 2023 at 07:59:32PM +0200, Felix Palmen wrote: > > > * Dmitry Chagin [20230827 20:54]: > > > > 1. which fs are you using? > > > > > > ZFS. > > > > > > > 2. jailed? > > > > > > Yes, this is during building ports with poudriere. > > > > > > > I think it's a weird prohibition on changing system namespace extattr > > attributes, look to comments in extattr_check_cred() > > Maybe that's when I should finally start trying to understand the stuff > in src.git ;) > > > I can fix this completely disabling exttatr for jailed proc, > > however, it's gonna be bullshit, though > > Would probably be better than nothing. AFAIK, "Linux jails" are used a > lot, probably with userlands from distributions actually using xattr. > It might sense to allow this priv (PRIV_VFS_EXTATTR_SYSTEM) for linux jails by default? What do think, James?