Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp3510705ybi; Tue, 18 Jun 2019 01:54:49 -0700 (PDT) X-Google-Smtp-Source: APXvYqxwA3wnoeYeNur6X1UZInSg+SMKTReLFkBlqjIAGC/ILdepGx/mAvn5dwWK8Hw2J/bjm7/L X-Received: by 2002:a17:902:b70f:: with SMTP id d15mr30415212pls.318.1560848089117; Tue, 18 Jun 2019 01:54:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1560848089; cv=none; d=google.com; s=arc-20160816; b=lVY7IpExLcdhCmQz1nrTPfyBvDMhrZnzLPVZ9idvUVBIXwP6JljuLmXHek5H1DuJOe dDi92t4VawQgKAgs9UyypuI9fZWVF3cQuKHimCSeaZ0Q/dClAnZJoJDWDtnY6TI/sdEF BXmmzWBcqxcODsmE3WrDXKl7Wildxk3jTMduPDJGugFLnR2zcSVoauR4WMqdkJeoEFxc 9BQTVu6AL8uXj1ObDtyRanYqebwy2Xu+GZ9Tfi5Rf6CPlylYc0rCt7uPQf0ajJdFN/4e WiUCD5Au4cRS+GHIeJuGRiOsphLQV8H81sf/zSz6su3ozTaXF4pzYW7BJ5g2DoKCRkdf Jjpg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:date:from:dkim-signature; bh=mVLl8qg2zqaDh/gdEb9wEQJKnsVlAR9GRhHD703Wsgg=; b=McV3stDFSYr9Wj1O77t0+qG3jgRPwJdGwb0oFTqEq5zEvckJE4xD4xeI51FKzH7nD/ PCS+yvgLaFksUsIUOzDIZj73qPfZkz+9vA5riZsP9sB15JaIeKQWHcwaDfeHTcweEztd jTHY8GLlmPypvbpa+JFLjJlOYfYEP2uUwYx1A68+WP55AN+m9Xt8svkIgnjmYd/sVaJf OFckF9HtQIYKnk8auDRgn/SdOY7T6wOFZuB4ZH4Zz+bBWf8e8OuEOz7+S0udSSJKtSTQ 4XENI96sa12ZvaraiKmhal+sU5dbW5NOlV0xHL++3O5yZJMnjguz6jwRMHBSXRihzOnY qDsw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=l2ZimJ7+; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id bc7si12022556plb.108.2019.06.18.01.54.30; Tue, 18 Jun 2019 01:54:49 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=l2ZimJ7+; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729281AbfFRIxy (ORCPT + 99 others); Tue, 18 Jun 2019 04:53:54 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:44852 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728991AbfFRIxy (ORCPT ); Tue, 18 Jun 2019 04:53:54 -0400 Received: by mail-lj1-f194.google.com with SMTP id k18so12211715ljc.11 for ; Tue, 18 Jun 2019 01:53:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=mVLl8qg2zqaDh/gdEb9wEQJKnsVlAR9GRhHD703Wsgg=; b=l2ZimJ7+joIbXpMgW56vhJYwQSFrL4LWu4I7Ql+izeYannpJQEcxzhi1PpOZqGp7Y9 grcDAB8AMXGefwDH3jV+zqepNU36ABB3k9eKqk8Nw68FmxMzsK3Rb45qQ9VEwiqam+kz UuvVEXbxMQn0q+m5/q2amKho+FM5PQkIZndzUEJs7i+nyKpbmG7fsOY6M5ny+IXLsJiP z2vN3wUJiQU/xVehwZV3jWIOIhjhxbZLKUD3yKRi0HoXn1aW0AlGxXAG4mChYMJGFkQj VCCHFoQs1Jv4J7JVbCBv+rl3t+1T4t4erpmwcr9XnkhmovAWlkcncPQgYtbM/1ggU6jX K2Ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=mVLl8qg2zqaDh/gdEb9wEQJKnsVlAR9GRhHD703Wsgg=; b=DtyWW7CjwQWzhUuaIJ6r11CCWT6s+RQDIURdNoL5aU7aii+rs6xJhjGmzfftxhaGF2 JxiEjk06+JHfqd/Km76OQmaHSgR91loMyMzgF88Cc0wr+I+RoKNkH0LlLfTAWOY6pdHN 7Mp6OfJSInJ9wzlUL5tZEWge6RpfOGXOnUwejpyLyeI/CJRgazgY3sHRfX5k4iszsxOV GDnIOe3n38PkuDr3361kSKp7F96ZdtUTcUKdDlN9H/zdt2k1hMdZJLso6M2aQMkSnaKU IK/+W/RO3+zr/xeUDb8+Ia2tQyPbh3Zl0RZAH8NDbRAoTOa5G4ObS3cCHJOsJuzpmEUW Abew== X-Gm-Message-State: APjAAAVqVtR4m/hAvpEXSBVa3iyGtUQA2sjNFJuSo+g8S8yAy5cgI6Ov Hm5mCEGaADxHQGIOSf6/Oa0= X-Received: by 2002:a2e:8ed2:: with SMTP id e18mr15912316ljl.235.1560848031996; Tue, 18 Jun 2019 01:53:51 -0700 (PDT) Received: from pc636 ([37.139.158.167]) by smtp.gmail.com with ESMTPSA id r84sm2744089lja.54.2019.06.18.01.53.50 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 18 Jun 2019 01:53:51 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Tue, 18 Jun 2019 10:53:43 +0200 To: Arnd Bergmann Cc: Uladzislau Rezki , Roman Gushchin , Michal Hocko , Matthew Wilcox , Thomas Garnier , Oleksiy Avramchenko , Steven Rostedt , Joel Fernandes , Thomas Gleixner , Ingo Molnar , Tejun Heo , Andrew Morton , Linus Torvalds , Stephen Rothwell , Roman Penyaev , Rick Edgecombe , Andrey Ryabinin , Mike Rapoport , Linux-MM , Linux Kernel Mailing List Subject: Re: [BUG]: mm/vmalloc: uninitialized variable access in pcpu_get_vm_areas Message-ID: <20190618085343.i6trqxavavkfipzb@pc636> References: <20190617121427.77565-1-arnd@arndb.de> <20190617141244.5x22nrylw7hodafp@pc636> <20190617165730.5l7z47n3vg73q7mp@pc636> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Arnd. > > Nevermind, the warning came back after all. It's now down to > one out of 2000 randconfig builds I tested, but that's not good > enough. I'll send a patch the way you suggested. > Makes sense to me :) Thank you. -- Vlad Rezki