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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F3EC6C48297 for ; Mon, 12 Feb 2024 12:02:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4E50F10EB95; Mon, 12 Feb 2024 12:02:03 +0000 (UTC) Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9DE3510EB95 for ; Mon, 12 Feb 2024 12:02:02 +0000 (UTC) Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-363d6348a07so27207715ab.3 for ; Mon, 12 Feb 2024 04:02:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707739322; x=1708344122; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=NLUFqJUUCUHl1oVTrSfdDrjpp0Ws316qkyNpeMA1VKE=; b=IiL1RDEd3mNhWUw+8wqlroJVYwmg0OmXwk6ubzAl2z4+BnVrlvOoJt4Tt7NBS5dPmB MD3HnaxSd5tSqduIRjoU4sKpOAOW/xckmwj0uMz77OquSMTT1i6efWY5ISrIMBya5VJU zxP+hYf9viSnom4lrcFnnphKDn7Dy1W0PPoaCAqKCw64lb8uSP68BnFFZGOt3sa+TkfX f35t7XbYl3DHi2aS5BhzBLrKEo1SBRcDGMtmTdq1KPWmcHWKCqCU139sMedVEl4LWF0d OmHzdfgQ+ijmw7uMBjHQYSi6MptArIta4fAMQOIsBXZeVfRg8Y6soOmdFsAlNTf1zWsT XuNg== X-Gm-Message-State: AOJu0YwCOwikLLldbA0/OgZSdLN7zjAbdFXP+RlhgDsk5MvnyQ6MURs1 Y6cem5mloTTl5Q39qY0Qsm7os4MzKICj/k+/Fz93/cd490qNGXa02LedEnfOF1TnTFANaROxYvr RyVRQkRxZFRRnLfjE8Ng+ZHaxGcTWmmhwAdM3SxWM3sUMfRnWiLfKOI0= X-Google-Smtp-Source: AGHT+IHXNYJgEF/AkDrtNb4kEIJByyoDwS+sF0q5AaLNeXuHqiIVd7G2w0RQ/jasVfBEFBbzDTRHIZoeDChkMqb1iXDan+dzO6sS MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2162:b0:363:cc38:db1c with SMTP id s2-20020a056e02216200b00363cc38db1cmr474241ilv.6.1707739322012; Mon, 12 Feb 2024 04:02:02 -0800 (PST) Date: Mon, 12 Feb 2024 04:02:01 -0800 In-Reply-To: <000000000000587e0f06112cd973@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a8616906112e0b4b@google.com> Subject: Re: [syzbot] [dri?] divide error in drm_mode_convert_to_umode From: syzbot To: airlied@gmail.com, airlied@linux.ie, daniel.vetter@ffwll.ch, daniel.vetter@intel.com, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, melissa.srw@gmail.com, mripard@kernel.org, syzkaller-bugs@googlegroups.com, tzimmermann@suse.de Content-Type: text/plain; charset="UTF-8" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" syzbot has bisected this issue to: commit ea40d7857d5250e5400f38c69ef9e17321e9c4a2 Author: Daniel Vetter Date: Fri Oct 9 23:21:56 2020 +0000 drm/vkms: fbdev emulation support bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14426df4180000 start commit: 445a555e0623 Add linux-next specific files for 20240209 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16426df4180000 console output: https://syzkaller.appspot.com/x/log.txt?x=12426df4180000 kernel config: https://syzkaller.appspot.com/x/.config?x=85aa3388229f9ea9 dashboard link: https://syzkaller.appspot.com/bug?extid=0d7a3627fb6a42cf0863 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17d4bd48180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=106ae642180000 Reported-by: syzbot+0d7a3627fb6a42cf0863@syzkaller.appspotmail.com Fixes: ea40d7857d52 ("drm/vkms: fbdev emulation support") For information about bisection process see: https://goo.gl/tpsmEJ#bisection