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Tue, 4 Aug 2020 15:32:23 +0000 (UTC) Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-38-5Wt17mJoMXWfF-TAGfnM2Q-1; Tue, 04 Aug 2020 11:32:20 -0400 Received: from 2.general.paelzer.uk.vpn ([10.172.196.173] helo=Keschdeichel.fritz.box) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1k2yvL-0002BM-Bc; Tue, 04 Aug 2020 15:32:19 +0000 X-MC-Unique: Oo_uCD6vPCG1iw-425bYrw-1 X-MC-Unique: 5Wt17mJoMXWfF-TAGfnM2Q-1 From: Christian Ehrhardt To: libvir-list@redhat.com Subject: [PATCH v2 5/5] apparmor: let qemu load old shared objects after upgrades Date: Tue, 4 Aug 2020 17:32:14 +0200 Message-Id: <20200804153214.1305009-6-christian.ehrhardt@canonical.com> In-Reply-To: <20200804153214.1305009-1-christian.ehrhardt@canonical.com> References: <20200804153214.1305009-1-christian.ehrhardt@canonical.com> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false; X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-loop: libvir-list@redhat.com Cc: =?UTF-8?q?Guido=20G=C3=BCnther?= , Jamie Strandboge , Andrea Bolognani , Christian Ehrhardt X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Since [1] qemu can after upgrade fall back to pre-upgrade modules to still be able to dynamically load qemu-module based features. The paths for these modules are pre-defined by the code and should be allowed to be mapped and loaded from which will allow packagers avoiding the inability of late feature load [2] after package upgrades. [1]: https://github.com/qemu/qemu/commit/bd83c861 [2]: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1847361 Signed-off-by: Christian Ehrhardt Acked-by: Jamie Strandboge --- src/security/apparmor/libvirt-qemu | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/security/apparmor/libvirt-qemu b/src/security/apparmor/lib= virt-qemu index ae3db68f82..a03e9e2c94 100644 --- a/src/security/apparmor/libvirt-qemu +++ b/src/security/apparmor/libvirt-qemu @@ -169,6 +169,11 @@ /usr/{lib,lib64}/qemu/*.so mr, /usr/lib/@{multiarch}/qemu/*.so mr, =20 + # let qemu load old shared objects after upgrades (LP: #1847361) + /{var/,}run/qemu/*/*.so mr, + # but explicitly deny writing to these files + audit deny /{var/,}run/qemu/*/*.so w, + # swtpm /{usr/,}bin/swtpm rmix, /usr/{lib,lib64}/libswtpm_libtpms.so mr, --=20 2.27.0