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=-11.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 B6733C433DB for ; Fri, 22 Jan 2021 19:00:31 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 672D223AC2 for ; Fri, 22 Jan 2021 19:00:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 672D223AC2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=8rfszeBahH5ytjGyz3MUL394TvbmW0JoUGxhE8NRTo8=; b=BsdMGLQtMfOu7mY5bMLX2Ex86 VKLYIsHyVvh+ylLn3dV5usvy1pnk573nFme7eK/nDZ+OlLx4nO4XhQqOEbY+0W9KTVcgpOSQchRmw LzJ5SRVFSKzgrOFTOqtXXwC2nkLzWux+OpM7wz7H8sdAdSupGyf99JdWWPCAyBFfmzVBOrGquaVGM 4Ln8ZExOXZyrgO+Ngi2qI4VmWFnrIzYo0J1zWNxpLRL3nYRzY+e3h63wCG50pUlDAXuAngKkCuxyG HYS2NzdwLBR/j+/wOR5nXkQA2Aei3gsnZ79l2xDsBVDXFcwyrENpee1gcNsZZAWydGTCh2SgnAA4W /4tOO/12g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l31eE-0005sn-BZ; Fri, 22 Jan 2021 18:59:06 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l31eA-0005rC-W0 for linux-arm-kernel@lists.infradead.org; Fri, 22 Jan 2021 18:59:04 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id B82A423AC1; Fri, 22 Jan 2021 18:58:59 +0000 (UTC) From: Catalin Marinas To: Qais Yousef , Will Deacon Subject: Re: [PATCH] arm64: kprobes: Fix Uexpected kernel BRK exception at EL1 Date: Fri, 22 Jan 2021 18:58:57 +0000 Message-Id: <161134193158.28055.14817552984695990780.b4-ty@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210122110909.3324607-1-qais.yousef@arm.com> References: <20210122110909.3324607-1-qais.yousef@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210122_135903_115384_2521115F X-CRM114-Status: UNSURE ( 8.16 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jean-Philippe Brucker , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Masami Hiramatsu Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 22 Jan 2021 11:09:09 +0000, Qais Yousef wrote: > I was hitting the below panic continuously when attaching kprobes to > scheduler functions > > [ 159.045212] Unexpected kernel BRK exception at EL1 > [ 159.053753] Internal error: BRK handler: f2000006 [#1] PREEMPT SMP > [ 159.059954] Modules linked in: > [ 159.063025] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.11.0-rc4-00008-g1e2a199f6ccd #56 > [rt-app] [1] Exiting.[ 159.071166] Hardware name: ARM Juno development board (r2) (DT) > [ 159.079689] pstate: 600003c5 (nZCv DAIF -PAN -UAO -TCO BTYPE=--) > > [...] Applied to arm64 (for-next/fixes), thanks! [1/1] arm64: kprobes: Fix Uexpected kernel BRK exception at EL1 https://git.kernel.org/arm64/c/75bd4bff300b -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel