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 56BA7C4828D for ; Wed, 7 Feb 2024 18:17:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6BEFD10FCD1; Wed, 7 Feb 2024 18:17:10 +0000 (UTC) Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by gabe.freedesktop.org (Postfix) with ESMTPS id 12A0010EFAB for ; Wed, 7 Feb 2024 18:17:09 +0000 (UTC) Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-7bfeae6a263so45797639f.2 for ; Wed, 07 Feb 2024 10:17:09 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707329825; x=1707934625; 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=be3GbaZ/I/Bw54yVwIBFkvdPJfjdH73IwIL5QtbBR9E=; b=Z07UtPNxIBX/K5l8cSWDCfeN0/EO/oNTVtyDVpbBLhE0rn+Ms0nXSfBlZ1r3RDkaEa nuZ3iwo1LeJ4l2qAO9Anrg3Poi0FcO1UAilQq37V5w4+MDbUfpR4cziBeYckKB5PKXWl LOsitvkikR+XnN07xC3XRrIxMF3cqO5Ic2IMkWELd0LhalPi/oB3Xqq/IkbN+cQU3XUe hbPAEhnU7qx2krIjFFypkogTDdDZGbB+MylUDlY5cw34qA5Ii5W09Ts8c+qquBcy5lpA GjwLObPlNz/SXPLxKBrVNvi7vQPM9L1rUtvTgtLh8NKG0xt93LvMdSYlaAA9gnkJNkQL 2MEg== X-Gm-Message-State: AOJu0Yz5b+5y4zkgYoO/U3TL0LpdvJVmnBiRjOCRsu9L11SzGxh7T2n2 Js3uJXv+6vtcK5jlb3ofcd4ALe4ZHAheK9je0/bxrgCPRStoEHgAlxbl/pxXNLMhyMbPgiE0Ptm kwW1l7efbyZduOVmKDZqIp2IjPTlSLsjWPtcw9urajDpTa/owfV9yvqo= X-Google-Smtp-Source: AGHT+IHfir+A+/gYcaMQmPZSB8NET3r6FooBj5GlmYy8UvJN9Uul0QpZesXws4oFQggR75nC6+t3Sqg2/GSAJxTFEBpiKWJBaxiH MIME-Version: 1.0 X-Received: by 2002:a02:9999:0:b0:470:b4f0:f762 with SMTP id a25-20020a029999000000b00470b4f0f762mr43403jal.1.1707329825085; Wed, 07 Feb 2024 10:17:05 -0800 (PST) Date: Wed, 07 Feb 2024 10:17:05 -0800 In-Reply-To: <00000000000067322b05fdfa973f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000bd244b0610ceb32c@google.com> Subject: Re: [syzbot] [dri?] WARNING in vkms_get_vblank_timestamp (2) 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, hamohammed.sa@gmail.com, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mairacanal@riseup.net, melissa.srw@gmail.com, mripard@kernel.org, rodrigosiqueiramelo@gmail.com, 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=1282dbffe80000 start commit: 6764c317b6bb Merge tag 'scsi-fixes' of git://git.kernel.or.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1182dbffe80000 console output: https://syzkaller.appspot.com/x/log.txt?x=1682dbffe80000 kernel config: https://syzkaller.appspot.com/x/.config?x=2c0ac5dfae6ecc58 dashboard link: https://syzkaller.appspot.com/bug?extid=93bd128a383695391534 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12067e60180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=102774b7e80000 Reported-by: syzbot+93bd128a383695391534@syzkaller.appspotmail.com Fixes: ea40d7857d52 ("drm/vkms: fbdev emulation support") For information about bisection process see: https://goo.gl/tpsmEJ#bisection