From owner-freebsd-ports-bugs@freebsd.org Wed Dec 9 22:55:21 2015 Return-Path: Delivered-To: freebsd-ports-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 13A609D69B8 for ; Wed, 9 Dec 2015 22:55:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 049F61E0E for ; Wed, 9 Dec 2015 22:55:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id tB9MtKqe012244 for ; Wed, 9 Dec 2015 22:55:20 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-ports-bugs@FreeBSD.org Subject: [Bug 205174] multimedia/webcamd: Segfault with RTL2832U/R820T-based DVB-T USB stick Date: Wed, 09 Dec 2015 22:55:20 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: f.degner@gmx.de X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: hselasky@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: maintainer-feedback? X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter flagtypes.name attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-ports-bugs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Ports bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Dec 2015 22:55:21 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205174 Bug ID: 205174 Summary: multimedia/webcamd: Segfault with RTL2832U/R820T-based DVB-T USB stick Product: Ports & Packages Version: Latest Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: Individual Port(s) Assignee: hselasky@FreeBSD.org Reporter: f.degner@gmx.de Assignee: hselasky@FreeBSD.org Flags: maintainer-feedback?(hselasky@FreeBSD.org) Created attachment 164029 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=164029&action=edit Added NULL check Webcamd segfaults when used with the following dvb-t usb stick: # usbconfig -u 1 -a 5 dump_device_desc ugen1.5: ... ... idVendor = 0x0bda idProduct = 0x2832 ... # Here is what gdb reports: Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00000000007492df in rtl2832u_tuner_attach (adap=0x8024ab050) at media_tree/drivers/media/usb/dvb-usb-v2/rtl28xxu.c:1324 1324 if (IS_ERR(pdev) || pdev->dev.driver == NULL) ... (gdb) p pdev $1 = (struct platform_device *) 0x0 (gdb) Applying the attached patch to rtl28xxu.c fixed the problem. -- You are receiving this mail because: You are the assignee for the bug.