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 4FEFBC433F5 for ; Fri, 13 May 2022 13:20:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346283AbiEMNUU (ORCPT ); Fri, 13 May 2022 09:20:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349165AbiEMNUR (ORCPT ); Fri, 13 May 2022 09:20:17 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37E883B2B2 for ; Fri, 13 May 2022 06:20:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E60ABB8302F for ; Fri, 13 May 2022 13:20:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 7CA4BC34117; Fri, 13 May 2022 13:20:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652448013; bh=13hQ6EqDneH5eAKWNuC2ahm4fQVRcK6rtp+NimJWSFw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=PJneBFfEUbNk1GjkpvOXt0drXIovUlBDRm3fNhlssbz63NX5yrH+RAYlnPQHx1evR z4Kqtz3i9HOki5sgNoHCNMcXHZyDguZBHZJgKon03uiL8akM1U4nOU5ft9Ppj3N8Il sR49G8f1OaVfQBmxj7NTl9026DFq7NM1dXJKCYriPgwppjM74+SSiMNJfejPuM6D40 uzVCAe0gAnrpsfgnqjiVgp/YDj+N05S7Vi9y7bpHDSz0/bWTVaTf9gWn/9zwBeHBUj CD5iTx4V1TpUh1jbcUfnRMDaMew4mXL5GzgzLkqvNWOnQ4ETitDIaVbkLz/YiSN0kS BTAv9McAJCbRg== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 5DAA8E8DBDA; Fri, 13 May 2022 13:20:13 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next 1/2] bpf: Fix combination of jit blinding and pointers to bpf subprogs. From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165244801337.11154.3266406533060749854.git-patchwork-notify@kernel.org> Date: Fri, 13 May 2022 13:20:13 +0000 References: <20220513011025.13344-1-alexei.starovoitov@gmail.com> In-Reply-To: <20220513011025.13344-1-alexei.starovoitov@gmail.com> To: Alexei Starovoitov Cc: davem@davemloft.net, daniel@iogearbox.net, andrii@kernel.org, bpf@vger.kernel.org, kernel-team@fb.com Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (master) by Daniel Borkmann : On Thu, 12 May 2022 18:10:24 -0700 you wrote: > From: Alexei Starovoitov > > The combination of jit blinding and pointers to bpf subprogs causes: > [ 36.989548] BUG: unable to handle page fault for address: 0000000100000001 > [ 36.990342] #PF: supervisor instruction fetch in kernel mode > [ 36.990968] #PF: error_code(0x0010) - not-present page > [ 36.994859] RIP: 0010:0x100000001 > [ 36.995209] Code: Unable to access opcode bytes at RIP 0xffffffd7. > [ 37.004091] Call Trace: > [ 37.004351] > [ 37.004576] ? bpf_loop+0x4d/0x70 > [ 37.004932] ? bpf_prog_3899083f75e4c5de_F+0xe3/0x13b > > [...] Here is the summary with links: - [bpf-next,1/2] bpf: Fix combination of jit blinding and pointers to bpf subprogs. https://git.kernel.org/bpf/bpf-next/c/4b6313cf99b0 - [bpf-next,2/2] selftests/bpf: Check combination of jit blinding and pointers to bpf subprogs. https://git.kernel.org/bpf/bpf-next/c/365d519923a2 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html