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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32E71C2D0E4 for ; Tue, 24 Nov 2020 17:55:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C8CF820897 for ; Tue, 24 Nov 2020 17:55:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403811AbgKXRzp (ORCPT ); Tue, 24 Nov 2020 12:55:45 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:48906 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732036AbgKXRzp (ORCPT ); Tue, 24 Nov 2020 12:55:45 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: krisman) with ESMTPSA id 9CBC41F44F1B From: Gabriel Krisman Bertazi To: Dmitry Osipenko Cc: tglx@linutronix.de, hch@infradead.org, mingo@redhat.com, keescook@chromium.org, arnd@arndb.de, luto@amacapital.net, wad@chromium.org, rostedt@goodmis.org, paul@paul-moore.com, eparis@redhat.com, oleg@redhat.com, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, kernel@collabora.com, "linux-arm-kernel@lists.infradead.org" , Russell King - ARM Linux Subject: Re: [PATCH v2 04/10] seccomp: Migrate to use SYSCALL_WORK flag Organization: Collabora References: <20201116174206.2639648-1-krisman@collabora.com> <20201116174206.2639648-5-krisman@collabora.com> <20646400-0e16-0eb5-c829-3b77df8c38e3@gmail.com> Date: Tue, 24 Nov 2020 12:55:39 -0500 In-Reply-To: <20646400-0e16-0eb5-c829-3b77df8c38e3@gmail.com> (Dmitry Osipenko's message of "Tue, 24 Nov 2020 19:28:24 +0300") Message-ID: <87360yprl0.fsf@collabora.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org Dmitry Osipenko writes: > Hi, > > This patch broke seccomp on arm32 using linux-next, chromium browser > doesn't work anymore and there are these errors in KMSG: > > Unhandled prefetch abort: breakpoint debug exception (0x002) at ... > > Note that arm doesn't use CONFIG_GENERIC_ENTRY. Please fix, thanks in > advance. Hi Dmitry, I believe this is the same problem reported yesterday on this thread https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2390444.html can you please try the patch I shared on that thread? https://lore.kernel.org/patchwork/patch/1344098/ Thanks, -- Gabriel Krisman Bertazi