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=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 0630BC432C0 for ; Thu, 21 Nov 2019 07:45:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD86020898 for ; Thu, 21 Nov 2019 07:45:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QhqEQ83q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725842AbfKUHpb (ORCPT ); Thu, 21 Nov 2019 02:45:31 -0500 Received: from mail-pf1-f196.google.com ([209.85.210.196]:42510 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726265AbfKUHpb (ORCPT ); Thu, 21 Nov 2019 02:45:31 -0500 Received: by mail-pf1-f196.google.com with SMTP id s5so1229433pfh.9; Wed, 20 Nov 2019 23:45:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=wAfKf+UnyZkSPNN8BE0Uu1Clc6h1vga7Y4FsMWy74y0=; b=QhqEQ83qWqv3VZJC6V3071hhPrWRRZJiAdWni+KY+mDVKsZyaat/n5sLmHmBSMzRBF 8HM/F8PNhxGvgX3OcCXjLFi2+cXW0H+pkTLD06FO8YN/PiRaW/E1OGzFFYg6OBxO7TTa OXGh80HyZD1QrGmasEH1+a1CDVeTyraDNPbyRwxgyj0BQqpBdTamSy65KEA516q8ZIC0 sAZFfLrnIFmJBsdDgKkvSJG1rr9VpRKS0WFDcGJmvFwQL40+HGXYBHGZ1cUppH31zwnV w7HKPe7hZqUbI9WHrDRkqsEc+Lg2+L/TEkAs/qUgRs5cN+dCAec8Yeb2f5mpAhw1jx+r Vcag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=wAfKf+UnyZkSPNN8BE0Uu1Clc6h1vga7Y4FsMWy74y0=; b=Uvxi/rKG7d0SOe9moHTJh5dHMewfYswP5Bpr4JCo2vYYDTlyrJlTrFRXpoqL7YuN1u Z+zTlN52A8LGz9SRAhjrDHVD6C0BL3XZRWHGCV33qLwzL2vKkX5EOi6lDAS7HMPikp+X hmOhY5uVEw6r0bzePROH53TX2OibNEBELQxMijtLJEakgbH5jjt5cKKJDj1heJbSYpkd MQG5uAZb23EF0KZHnpwrO0Ztnawc4YddemedRzac7HMeIpjbMclFJ/Yp4mJ7BMs//S5H +kjXlykO2Xojgi+k8Ix4rexFBdpmk4B+blSwsUGElFS5r8Kg4i4T7EYYq4hetGZw6ypV G+IQ== X-Gm-Message-State: APjAAAUiEe34mSSGS3DPzg1H0/DdhUYTi9IJZJgWywIols4HHG6b6F3V 5Zfti/54vomxOUtB8suqPjgW6sRk X-Google-Smtp-Source: APXvYqzVfKugtGr1YB/LFgqRsz0Oc++YzcBfW7T/xG2wEgk6APYK/a0RKYoZxiYJ20qv8m1DOF4zQQ== X-Received: by 2002:a63:b047:: with SMTP id z7mr7983274pgo.224.1574322330409; Wed, 20 Nov 2019 23:45:30 -0800 (PST) Received: from udknight.localhost ([183.250.89.86]) by smtp.gmail.com with ESMTPSA id y16sm2060372pff.137.2019.11.20.23.45.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Nov 2019 23:45:29 -0800 (PST) Received: from udknight.localhost (localhost [127.0.0.1]) by udknight.localhost (8.14.9/8.14.4) with ESMTP id xAL7iqtf015431; Thu, 21 Nov 2019 15:44:52 +0800 Received: (from root@localhost) by udknight.localhost (8.14.9/8.14.9/Submit) id xAL7iqI8015430; Thu, 21 Nov 2019 15:44:52 +0800 Date: Thu, 21 Nov 2019 15:44:52 +0800 From: Wang YanQing To: stable@vger.kernel.org Cc: stephen@networkplumber.org, ast@kernel.org, songliubraving@fb.com, yhs@fb.com, daniel@iogearbox.net, itugrok@yahoo.com, bpf@vger.kernel.org Subject: [PATCH] bpf, x32: Fix bug for BPF_ALU64 | BPF_NEG Message-ID: <20191121074452.GB15326@udknight> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.7.1 (2016-10-04) Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org commit b9aa0b35d878dff9ed19f94101fe353a4de00cc4 upstream. The fix only affects x32 bpf jit, and it is critical to use x32 bpf jit on a unpatched system, so I think we should backport it to the only affected stable kernel version: v4.19 Thanks. Cc: #4.19 Signed-off-by: Wang YanQing