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[79.178.18.124]) by smtp.gmail.com with ESMTPSA id b18sm10084354wrn.88.2020.06.12.07.52.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jun 2020 07:52:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591973571; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=2UE9wdKZP6GU89BTo6VTTIYbzUF0RJkP16ivEbUjuuA=; b=AaXPTsXlNd1IzM8ahfawdObPbfgyCtFoXePUUAPxWFEg4YWo+Hin1vF22Jpy0pwAaTcRPz /kkM3ubS3dE4ldVt9FfZkiFCfJQhOkRclsl8YB8QUS0dclJVh+qiXsNPDzF+EMMCuOYNTQ /mXnQp+FKeyEebWzCZr2csypSBF6EhQ= X-MC-Unique: KWVTdW7nNQuChF4PgqDi8g-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=2UE9wdKZP6GU89BTo6VTTIYbzUF0RJkP16ivEbUjuuA=; b=YagvGUylD/wNTzhp4qL413ZLj3zfHMtQ5MNWMhdycfs4LjVuDMFMAMLxGeoCZNANRY gKQc0jGehchAC+uRwJ7BwcPAHh3HaWth928IJjiNqzFcO9KqJL4b1i7iNX1UD/5bQZQI VwOdjF7e+X2/itdFopq7cXCXfSRvtzoqzmsY1MHr4BXsd5ZZUtZxYil9RUOWeGgj5FD6 wreIFp4L2bsCcu1V9dwR5COoRo+VmMHHIh28HtikJNVpDXHbGrM5HTQIBzIwcNcTEc6h id1d2Mp8WwExMGwRZdXIEcz6RJiseeQqiTBEVVExByLdjfefGmEm6Fkhps0k6m4kkgFg iGMA== X-Gm-Message-State: AOAM533AkGRCDCMscw3nW/YY+e0SIRXYw6NlGtWM1fzbRjTGdcmCSxJJ QtP72NIhMTtkbqa3pmed1JCQTH+8pK1hm7l3T3XZeekGjdAQSaURBTTptuuwIYavIUh/dh+ckfC WTVBrufNni8or/m0= X-Received: by 2002:a5d:4204:: with SMTP id n4mr16273471wrq.247.1591973568206; Fri, 12 Jun 2020 07:52:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyZlkO4kO5MY1FZomgO4/NlH1Ek4W1n/n3KbFkeQy9NdcJqYFtZVERHzn89w/5ZN7DOejcnvw== X-Received: by 2002:a5d:4204:: with SMTP id n4mr16273441wrq.247.1591973567887; Fri, 12 Jun 2020 07:52:47 -0700 (PDT) Date: Fri, 12 Jun 2020 10:52:46 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL v2 47/58] hw/pci: Fix crash when running QEMU with "-nic model=rocker" Message-ID: <20200612141917.9446-48-mst@redhat.com> References: <20200612141917.9446-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200612141917.9446-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline 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=207.211.31.81; envelope-from=mst@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/12 08:07:17 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: Peter Maydell , Thomas Huth , Michael Tokarev , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Thomas Huth QEMU currently aborts when being started with "-nic model=3Drocker" or with "-net nic,model=3Drocker". This happens because the "rocker" device is not a normal NIC but a switch, which has different properties. Thus we should only consider real NIC devices for "-nic" and "-net". These devices can be identified by the "netdev" property, so check for this property before adding the device to the list. Reported-by: Michael Tokarev Fixes: 52310c3fa7dc854d ("net: allow using any PCI NICs in -net or -nic") Signed-off-by: Thomas Huth Message-Id: <20200527153152.9211-1-thuth@redhat.com> Reviewed-by: Paolo Bonzini Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/pci/pci.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 7bf2ae6d92..1b88a32cf7 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -1891,7 +1891,18 @@ PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *= rootbus, if (test_bit(DEVICE_CATEGORY_NETWORK, dc->categories) && dc->user_creatable) { const char *name =3D object_class_get_name(list->data); - g_ptr_array_add(pci_nic_models, (gpointer)name); + /* + * A network device might also be something else than a NIC, s= ee + * e.g. the "rocker" device. Thus we have to look for the "net= dev" + * property, too. Unfortunately, some devices like virtio-net = only + * create this property during instance_init, so we have to cr= eate + * a temporary instance here to be able to check it. + */ + Object *obj =3D object_new_with_class(OBJECT_CLASS(dc)); + if (object_property_find(obj, "netdev", NULL)) { + g_ptr_array_add(pci_nic_models, (gpointer)name); + } + object_unref(obj); } next =3D list->next; g_slist_free_1(list); --=20 MST