From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by passt.top (Postfix, from userid 1000) id C81355A0275; Thu, 7 Sep 2023 00:35:15 +0200 (CEST) From: Stefano Brivio To: passt-dev@passt.top Subject: [PATCH 3/5] apparmor: Allow read-only access to uid_map Date: Thu, 7 Sep 2023 00:35:13 +0200 Message-Id: <20230906223515.2533706-4-sbrivio@redhat.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230906223515.2533706-1-sbrivio@redhat.com> References: <20230906223515.2533706-1-sbrivio@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: 7GA4VLVBH352CDWWCVZ74M3545ANB5YL X-Message-ID-Hash: 7GA4VLVBH352CDWWCVZ74M3545ANB5YL X-MailFrom: sbrivio@passt.top X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Paul Holzinger , David Gibson X-Mailman-Version: 3.3.8 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Starting with commit 770d1a4502dd ("isolation: Initially Keep CAP_SETFCAP if running as UID 0 in non-init"), the lack of this rule became more apparent as pasta needs to access uid_map in procfs even as non-root. However, both passt and pasta needs this, in case they are started as root, so add this directly to passt's abstraction (which is sourced by pasta's profile too). Fixes: 770d1a4502dd ("isolation: Initially Keep CAP_SETFCAP if running as UID 0 in non-init") Signed-off-by: Stefano Brivio --- contrib/apparmor/abstractions/passt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/contrib/apparmor/abstractions/passt b/contrib/apparmor/abstractions/passt index d778222..6bb25e0 100644 --- a/contrib/apparmor/abstractions/passt +++ b/contrib/apparmor/abstractions/passt @@ -31,6 +31,8 @@ pivot_root "/tmp/" -> "/tmp/", umount "/", + owner @{PROC}/@{pid}/uid_map r, # conf_ugid() + network netlink raw, # nl_sock_init_do(), netlink.c network inet stream, # tcp.c -- 2.39.2