From patchwork Tue Sep 12 10:46:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 1832928 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=EC/zoGbT; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RlL1L1Z4pz1ygM for ; 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bh=xLQoj1vul6G8GOSg6lVTQCpllic5KWmQQLQVC+gMxaQ=; b=EC/zoGbT9r6Gp+VlG6xOXcNEDltjVspsdSmNYmof2uMRUqhK0B2PgCELFsYcHrmqOf8rBA BX/YGneTXmT3n07hxnCPDTg1NNX2uJ+hN/FWiPf6JhjT/3wBdZHCLduOirJRnosLl/SPT9 xp8bYyvTagXRAk5n0S3uZIKVkb/Wr5o= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-569-i6vLM9ipPRaHfOB0-FmPhw-1; Tue, 12 Sep 2023 06:47:43 -0400 X-MC-Unique: i6vLM9ipPRaHfOB0-FmPhw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BE7758279A5 for ; Tue, 12 Sep 2023 10:47:42 +0000 (UTC) Received: from localhost (unknown [10.39.208.8]) by smtp.corp.redhat.com (Postfix) with ESMTP id D67D163F9D; Tue, 12 Sep 2023 10:47:41 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: stefanha@redhat.com, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Gerd Hoffmann Subject: [PULL 13/14] ui: fix crash when there are no active_console Date: Tue, 12 Sep 2023 14:46:47 +0400 Message-ID: <20230912104649.1638640-14-marcandre.lureau@redhat.com> In-Reply-To: <20230912104649.1638640-1-marcandre.lureau@redhat.com> References: <20230912104649.1638640-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Marc-André Lureau Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault. 0x0000555555888630 in dpy_ui_info_supported (con=0x0) at ../ui/console.c:812 812 return con->hw_ops->ui_info != NULL; (gdb) bt #0 0x0000555555888630 in dpy_ui_info_supported (con=0x0) at ../ui/console.c:812 #1 0x00005555558a44b1 in protocol_client_msg (vs=0x5555578c76c0, data=0x5555581e93f0 , len=24) at ../ui/vnc.c:2585 #2 0x00005555558a19ac in vnc_client_read (vs=0x5555578c76c0) at ../ui/vnc.c:1607 #3 0x00005555558a1ac2 in vnc_client_io (ioc=0x5555581eb0e0, condition=G_IO_IN, opaque=0x5555578c76c0) at ../ui/vnc.c:1635 Fixes: https://issues.redhat.com/browse/RHEL-2600 Signed-off-by: Marc-André Lureau Reviewed-by: Albert Esteve --- ui/console.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/ui/console.c b/ui/console.c index da341f08da..aa1e09462c 100644 --- a/ui/console.c +++ b/ui/console.c @@ -806,6 +806,9 @@ bool dpy_ui_info_supported(QemuConsole *con) if (con == NULL) { con = active_console; } + if (con == NULL) { + return false; + } return con->hw_ops->ui_info != NULL; }