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[209.132.180.67]) by mx.google.com with ESMTP id p22si2714425ota.43.2019.12.04.13.41.59; Wed, 04 Dec 2019 13:42:39 -0800 (PST) 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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728229AbfLDVlC (ORCPT + 99 others); Wed, 4 Dec 2019 16:41:02 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:53658 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728072AbfLDVlC (ORCPT ); Wed, 4 Dec 2019 16:41:02 -0500 Received: by mail-il1-f198.google.com with SMTP id d3so811934ilg.20 for ; Wed, 04 Dec 2019 13:41:01 -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=JrNPfPX8ooL5t/Vw7RYAMqCMbF8rwCtCqkj0exct6ns=; b=nHCyTH1mPVmZn4K5wI/tMlisU6bPyzwIyw9Eg5TaZZessgb7rfdwRGmOe+mEEWkuqa YvAYCB61xFqp5LR0qgn8agWBXLLCKbgB0kdDazs6JesjMXP48eeydf77uwXdGAY4aYiC UIE1sVVbH4Owt55ZWwfc/37kevb97d01MRvMEdLcJeC3bdxRFFTisXTk/ZeWFmU87d/3 /RVgtOt0AaspXGkptFViMZvZOeIv5wI9qVHKbhCMu3DlXwWkqqlkpYyDbsyA52ajdju2 UjkN1QA63tDRyBgGMp1w5E+KIP187IDBezyVo5DRhlEqNohYWg7rwyKG9/m1lNW++Fyc zj9A== X-Gm-Message-State: APjAAAUfrD9hp+id125oUh/zJ9iuPcMQWgd2krwUe6w0U7pUpyYAfc6O pDel68+hI0tTROteyysfzhBQt7MAgSr55sepblX96YHjdxxD MIME-Version: 1.0 X-Received: by 2002:a05:6638:d3:: with SMTP id w19mr5157404jao.127.1575495661402; Wed, 04 Dec 2019 13:41:01 -0800 (PST) Date: Wed, 04 Dec 2019 13:41:01 -0800 In-Reply-To: <0000000000002cfc3a0598d42b70@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003e640e0598e7abc3@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in fbcon_get_font From: syzbot To: aryabinin@virtuozzo.com, b.zolnierkie@samsung.com, daniel.thompson@linaro.org, daniel.vetter@ffwll.ch, dri-devel@lists.freedesktop.org, dvyukov@google.com, ghalat@redhat.com, gleb@kernel.org, gwshan@linux.vnet.ibm.com, hpa@zytor.com, jmorris@namei.org, kasan-dev@googlegroups.com, kvm@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, maarten.lankhorst@linux.intel.com, mingo@redhat.com, mpe@ellerman.id.au, pbonzini@redhat.com, penguin-kernel@i-love.sakura.ne.jp, ruscur@russell.cc, sam@ravnborg.org, serge@hallyn.com, stewart@linux.vnet.ibm.com, syzkaller-bugs@googlegroups.com, takedakn@nttdata.co.jp, tglx@linutronix.de, x86@kernel.org 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=127a042ae00000 start commit: 76bb8b05 Merge tag 'kbuild-v5.5' of git://git.kernel.org/p.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=117a042ae00000 console output: https://syzkaller.appspot.com/x/log.txt?x=167a042ae00000 kernel config: https://syzkaller.appspot.com/x/.config?x=dd226651cb0f364b dashboard link: https://syzkaller.appspot.com/bug?extid=4455ca3b3291de891abc syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11181edae00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=105cbb7ae00000 Reported-by: syzbot+4455ca3b3291de891abc@syzkaller.appspotmail.com Fixes: 2de50e9674fc ("powerpc/powernv: Remove support for p5ioc2") For information about bisection process see: https://goo.gl/tpsmEJ#bisection