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=-11.6 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 CFA5EC433E0 for ; Mon, 3 Aug 2020 18:13:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 48CC622BEF for ; Mon, 3 Aug 2020 18:13:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="sko5ec0F" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727880AbgHCSNS (ORCPT ); Mon, 3 Aug 2020 14:13:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726130AbgHCSNR (ORCPT ); Mon, 3 Aug 2020 14:13:17 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E5F5C06174A for ; Mon, 3 Aug 2020 11:13:17 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id k13so13417727plk.13 for ; Mon, 03 Aug 2020 11:13:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=xudpUBq+NDzS3IqxynYdwIGddLU8wuJKUCaPYNGlfss=; b=sko5ec0FuZjPqWaWARI7zOMm8BVQlDQLSYDmz1wlfxGSGD5gxhvEMB+W4TlJ1CztGZ JSpbeceEJG7q2T/1dQDrI7bz3sY24tWcNrrAKbd2/h5xJy+oYFDQ04hZ9N4lYk38R8zK B2d0rUkrQaJ39kcIFqcmYt0bgSpumzvFcpX3ILVHxJRwOZMKjFL7D+3rrgxg3JuJY1eR z9lO+1JGVSukGxnVgxEjgeWqhRsIIWM5knAG6xzNz45Fwr1V4pVSWYMs/bVIwBgF25G3 taTv9ZGuWndoaRulutQ3bvn/rUE/OpzOT9eEeXCduN4T3OBvtFdpHMo4j1SK6xsz60hQ JRxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=xudpUBq+NDzS3IqxynYdwIGddLU8wuJKUCaPYNGlfss=; b=MkhU38Yv7yhxrbNKi7dwWghhtlw2aD5sV1JchW5181ebRX3Ge7MyjM795K91OxsgcK pZYCjbaM2ePJRqL25VIX4Q06vpkquqoL9ZOJBnE85GsyhBVX1/Lk6/SfH9NmX1MYEJgQ 3biFCXALguaQxngkio8QAHcSd+lgErtigMTqeMzWKXoCaqhD2+z94chhd+oqFbwjI0um FfB1hvjc70LYDWQkjdWH4giR/rcE2gMciwkQ+1Cm2x97/zO3M0XxYZjiDzGGoVYpl9Lh hlwppD61witzA83fT4sFEEEmhYL7dlVndCtnXSWxYwmgRZWJdiMvf4OdYulkV2yivurk 6jKg== X-Gm-Message-State: AOAM530PLIh9XS8sS7sn5JR4tNbH0a6BG07KPB2h74xCeeLeYQZxFsr1 uzYppCO2UNjS71SRpstr1uLDPd+qHUwKJJEUjJsjyg== X-Google-Smtp-Source: ABdhPJwjQ3gw1usNMVQbIdYRPi5tkEqiFIneAvKDHvnwnpFZTKSYT3P7Muadl9Wxg8h2yuYouIFG6vl+oSTqFO2SwHY= X-Received: by 2002:a17:90a:3ad1:: with SMTP id b75mr493431pjc.25.1596478396575; Mon, 03 Aug 2020 11:13:16 -0700 (PDT) MIME-Version: 1.0 References: <20200730205112.2099429-3-ndesaulniers@google.com> <20200801231815.7817920829@mail.kernel.org> In-Reply-To: <20200801231815.7817920829@mail.kernel.org> From: Nick Desaulniers Date: Mon, 3 Aug 2020 11:13:04 -0700 Message-ID: Subject: Re: [PATCH 2/4] ARM: backtrace-clang: add fixup for lr dereference To: Sasha Levin , Greg KH Cc: Nathan Huckleberry , Andrew Morton , "# 3.4.x" Content-Type: text/plain; charset="UTF-8" Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sat, Aug 1, 2020 at 4:18 PM Sasha Levin wrote: > > Hi > > [This is an automated email] > > This commit has been processed because it contains a "Fixes:" tag > fixing commit: 6dc5fd93b2f1 ("ARM: 8900/1: UNWINDER_FRAME_POINTER implementation for Clang"). > > The bot has tested the following trees: v5.7.11, v5.4.54. > > v5.7.11: Failed to apply! Possible dependencies: > 5489ab50c227 ("arm/asm: add loglvl to c_backtrace()") > 99c56f602183 ("ARM: backtrace-clang: check for NULL lr") > > v5.4.54: Failed to apply! Possible dependencies: > 40ff1ddb5570 ("ARM: 8948/1: Prevent OOB access in stacktrace") > 5489ab50c227 ("arm/asm: add loglvl to c_backtrace()") > 99c56f602183 ("ARM: backtrace-clang: check for NULL lr") > > > NOTE: The patch will not be queued to stable trees until it is upstream. > > How should we proceed with this patch? Ah, ok, I'll provide manual backports then once this hits mainline. In that case, should I drop the explicit `Cc: stable...` tag? (I don't think the dependency on the loglvl should be backported, which is the source of conflict) -- Thanks, ~Nick Desaulniers