From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1AjxiS-0003td-HY for user-mode-linux-devel@lists.sourceforge.net; Fri, 23 Jan 2004 01:35:04 -0800 Received: from mx2.elte.hu ([157.181.151.9]) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.30) id 1AjxiS-00089w-4u for user-mode-linux-devel@lists.sourceforge.net; Fri, 23 Jan 2004 01:35:04 -0800 From: Ingo Molnar Message-ID: <20040123093541.GA21763@elte.hu> References: <20040120191706.GA32711@elte.hu> <20040120194328.GA1518@elte.hu> <20040120200105.GA2289@elte.hu> <20040122162139.GA28167@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040122162139.GA28167@elte.hu> Subject: [uml-devel] Re: [patch] uml fixes, 2.6.1-mm5-A2 Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Fri, 23 Jan 2004 10:35:41 +0100 To: Jeff Dike Cc: user-mode-linux-devel@lists.sourceforge.net hm, there's this code in arch/um/sys-i386/bugs.c:arch_handle_signal(): ip = UPT_IP(regs); if((*((char *) ip) != 0x0f) || ((*((char *) (ip + 1)) & 0xf0) != 0x40)) return(0); we are running in the UML kernel context here. Is the dereferencing of IP safe? Or does this SIGILL only ever happen for kernel code? (we dont seem to be filtering that out.) Ingo ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel