From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 928B2C6FD18 for ; Sat, 22 Apr 2023 18:38:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229478AbjDVSih (ORCPT ); Sat, 22 Apr 2023 14:38:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51554 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbjDVSig (ORCPT ); Sat, 22 Apr 2023 14:38:36 -0400 Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D98131726 for ; Sat, 22 Apr 2023 11:38:33 -0700 (PDT) Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4Q3gBt45hJz1s94H; Sat, 22 Apr 2023 20:38:30 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4Q3gBt3W65z1qqlS; Sat, 22 Apr 2023 20:38:30 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id RvIAQ7_GQsqw; Sat, 22 Apr 2023 20:38:29 +0200 (CEST) X-Auth-Info: 7KY8WcDTAfZFdQwWWOKVvVJQ1vAzJWY6wBEksmcldWm4YSbpkRj+WpdR05q/vevH Received: from igel.home (aftr-82-135-86-35.dynamic.mnet-online.de [82.135.86.35]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 22 Apr 2023 20:38:29 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 5B5E22C1B57; Sat, 22 Apr 2023 20:38:29 +0200 (CEST) From: Andreas Schwab To: Michael Schmitz Cc: Finn Thain , debian-68k@lists.debian.org, linux-m68k@lists.linux-m68k.org Subject: Re: reliable reproducer, was Re: core dump analysis In-Reply-To: (Michael Schmitz's message of "Sun, 23 Apr 2023 06:24:55 +1200") References: <4a9c1d0d-07aa-792e-921f-237d5a30fc44.ref@yahoo.com> <54597ab3-2776-2a55-9952-3bfbbc329829@linux-m68k.org> <406cb339-0a0c-4d71-9b5c-c11568793c14@gmail.com> <71af7b52-a1d4-581c-d5af-afce6991c48d@gmail.com> <7ea095ba-7df1-1ffe-e87d-12d46ebe72f6@gmail.com> <2fdc2819-526a-756f-19d0-ac1147f85b63@linux-m68k.org> <868b5214-fa13-dcf7-a671-9843169eea06@gmail.com> <87fs8sz6e9.fsf@igel.home> <878rekz0md.fsf@igel.home> X-Yow: YOW! I can see 1987!! PRESIDENT FORD is doing the REMAKE of "PAGAN LOVE SONG"...he's playing ESTHER WILLIAMS!! Date: Sat, 22 Apr 2023 20:38:29 +0200 Message-ID: <87o7nfyd7e.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org On Apr 23 2023, Michael Schmitz wrote: > Now I wonder who adds sigmask ... and whether that's also ending up on the > user stack. The kernel only writes the first 64 bits of the signal mask, as it does for all signal mask related syscalls. The kernel version of the context ends after that; since the user-space version is larger it actually extends into the next stack frame. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."