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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 29297C00454 for ; Mon, 9 Dec 2019 15:58:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DCAB72077B for ; Mon, 9 Dec 2019 15:58:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726783AbfLIP6D (ORCPT ); Mon, 9 Dec 2019 10:58:03 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:36321 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726197AbfLIP6C (ORCPT ); Mon, 9 Dec 2019 10:58:02 -0500 Received: by mail-il1-f197.google.com with SMTP id v15so11976680iln.3 for ; Mon, 09 Dec 2019 07:58:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=haSirlvjghAy8O+UGZZ1CIdjmlMMpGQNnbPGRDREiuo=; b=nxhR7XQSzSsiGAdnYVa92ej0KvgM34OMkDvU5V7H17ENqdGPIWG0y3cncKkTEKx+IP eZnBBC37J7tQ8IYp7+uNO84dRFb8umyHgS7pnPfMTXvt6LpWmmH+DDohml3gmPhBsqwY N24DOei0J1Rrgc++ewry6Q9FPOA0SbJCBqbBo5V0uJLXIPVTimejCvVIAPCl7kc572ZW 6dtxUvvGeLPCH9A1CElPPGah3NrxNLHNBEQkp8GoO6zHZJA88n7nl08W+Jkow6fdfvK7 hj3lZgr4XCGEm2kPCAIvj0j3gmHyuYFC6O1R2EQFRw5N5mvfGqGBPvGggPPoTaQu6fBH KNVQ== X-Gm-Message-State: APjAAAXKsRAs3Zo2q7ersnxxg59OJBqtFnZUc5EAJ4X0YcR66mg4jN9Y n1Jtb9uRaxchaKuCERuUn9RXcR5loQw2I9Z9wCukGkXWjS7x X-Google-Smtp-Source: APXvYqy7SHoywomGmpRRGQOfRHAlD50ocSW6nQ6ugt5VWZKCvCo8SfnyYovVgE3ZOkflrPwPuNULbNVTBJdi5Engji2jZ7ttDdZV MIME-Version: 1.0 X-Received: by 2002:a92:45d2:: with SMTP id z79mr28552816ilj.76.1575907081960; Mon, 09 Dec 2019 07:58:01 -0800 (PST) Date: Mon, 09 Dec 2019 07:58:01 -0800 In-Reply-To: <00000000000000ffab05992442a7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d1c7150599477511@google.com> Subject: Re: KASAN: global-out-of-bounds Read in fb_pad_aligned_buffer From: syzbot To: b.zolnierkie@samsung.com, coreteam@netfilter.org, daniel.vetter@ffwll.ch, davem@davemloft.net, dri-devel@lists.freedesktop.org, gwshan@linux.vnet.ibm.com, kaber@trash.net, kadlec@blackhole.kfki.hu, kraxel@redhat.com, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mpe@ellerman.id.au, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, peda@axentia.se, ruscur@russell.cc, sam@ravnborg.org, stewart@linux.vnet.ibm.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 2de50e9674fc4ca3c6174b04477f69eb26b4ee31 Author: Russell Currey Date: Mon Feb 8 04:08:20 2016 +0000 powerpc/powernv: Remove support for p5ioc2 bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13ea0aeae00000 start commit: 9455d25f Merge tag 'ntb-5.5' of git://github.com/jonmason/.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=101a0aeae00000 console output: https://syzkaller.appspot.com/x/log.txt?x=17ea0aeae00000 kernel config: https://syzkaller.appspot.com/x/.config?x=7a3b8f5088d4043a dashboard link: https://syzkaller.appspot.com/bug?extid=0568d05e486eee0a1ba2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ddeca6e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16df9e41e00000 Reported-by: syzbot+0568d05e486eee0a1ba2@syzkaller.appspotmail.com Fixes: 2de50e9674fc ("powerpc/powernv: Remove support for p5ioc2") For information about bisection process see: https://goo.gl/tpsmEJ#bisection