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bh=PaH6/prDe0zOnbw0p8530Sh7BSPAEfCKXw62zps8Fcw=; b=JqfDbsHI3gZp7mdod1aAZDep1y/AozSZJVND/aAlrYCqvzRj3UohxKGpcWF2PumhskuEhh ZgQTu7KuwKv5/fneq3/hJLFEsPjxDc6pbcfGdjCCEJ9xWChzZrEbC9y2Vqv8SvyRAVbdiV qCXNy0CiW66LYwggpCrC4wuGHQem5C0= X-MC-Unique: EYzzquMQPYmMbdvrSRlkPQ-1 From: Vivek Goyal To: qemu-devel@nongnu.org Subject: [PATCH v2 5/5] virtiofsd: Skip setup_capabilities() in sandbox=NONE mode Date: Thu, 30 Jul 2020 15:47:36 -0400 Message-Id: <20200730194736.173994-6-vgoyal@redhat.com> In-Reply-To: <20200730194736.173994-1-vgoyal@redhat.com> References: <20200730194736.173994-1-vgoyal@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.61; envelope-from=vgoyal@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/30 03:41:52 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: berrange@redhat.com, vromanso@redhat.com, dwalsh@redhat.com, dgilbert@redhat.com, virtio-fs@redhat.com, stefanha@redhat.com, vgoyal@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" setup_capabilites() tries to give some of the required capabilities to act as a full fledged file server in priviliged mode. In unpriviliged mode we can't get those capabilities and setup_capabilities() will fail. So don't setup capabilities when sandbox=3DNONE. Signed-off-by: Vivek Goyal --- tools/virtiofsd/passthrough_ll.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough= _ll.c index a6fa816b6c..1a0b24cbf2 100644 --- a/tools/virtiofsd/passthrough_ll.c +++ b/tools/virtiofsd/passthrough_ll.c @@ -3030,7 +3030,8 @@ static void setup_sandbox(struct lo_data *lo, struct = fuse_session *se, } =20 setup_seccomp(enable_syslog); - setup_capabilities(g_strdup(lo->modcaps)); + if (lo->sandbox !=3D SANDBOX_NONE) + setup_capabilities(g_strdup(lo->modcaps)); } =20 /* Set the maximum number of open file descriptors */ --=20 2.25.4