From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EB42828DDE for ; Wed, 7 Feb 2024 18:17:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707329827; cv=none; b=SEjCRqaTRl4ODTIbRDSEvdLxHS3cC4ZrY6MF5pCZ0SLpfiJ1xCZq0pC1KcLOeDpp8WR2EGn7SmUF4Kma2fX3zf7OB/S5C0XZaYwWY9HjMLVJ3K7/dnPcLeaUbAHGG/LHgboRPaLhzE0NtZZEnPr57nr+ZgTi4VftCuSsT4XcRTo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707329827; c=relaxed/simple; bh=2vTyFLmYYfKWy6Gj4hU+1rmm0ovvg7vjHgQ4+Zm13YY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=CdkAE2/9wo6d43cBnYKR7hl2eeVcwHVfbnnuxlOEAMVT1pK0aKxX7D3zxlvmn1i5hIDRUVPkOnuxw5kkG3Y7y8Slz1C8ttyWYvcqOAOQ0jApylB+Tl5EtA91bIplWVlQG7hbQBDrs55eurIwNHNZqD4cq6yQ9F1aRVlr2ounNDs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-7bbb3de4dcbso98312939f.1 for ; Wed, 07 Feb 2024 10:17:05 -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=V2TaBEl70Z/OFZgAWkJogoZAoYtq6xX1HV6Fbw+FTQaiT4rEjwme3ttQLwHRXR7HRq gXDt6h51VRxWV4DdOf04N19O+7hkyvqv5yulKqr0sAcnPrL69tfHdEhRgR1QGq4r8jl2 S+GIOQ76oMcujQrl5EVjvf0TDqhaeivzCvgcSIQu/FdseGtoYk1PM8NjkmzR1rY5eK8K G9o5+HZYu+OdKeAdzvRzeKV75niNNDH8KlOO6wHVybvKCeDpmrcFxt8j2IqVyWm8LRz4 jtCPavZXHYfjecn8oXDLhIKqam8Jn0tvCpiP4ztvRL4/JNejsinl8MvfAFTg2tfKOTkK tiBQ== X-Gm-Message-State: AOJu0YxPpI3u1YhBO7ez6V1HfKskd2ark1++RAxgMkjWNezSx1zllgzS tmj+TEjN9RjZhyXumh4a5YFYFGn/W5uLZWdhSVXRZeGJ2caR532v/7+TmTde2MIHEnQ5ngsazlx s2R7ROPQGqkkusoU3/dnjDrT28nMZH4K27eeAelYQf7LOuaKAJC7fJyE= X-Google-Smtp-Source: AGHT+IHfir+A+/gYcaMQmPZSB8NET3r6FooBj5GlmYy8UvJN9Uul0QpZesXws4oFQggR75nC6+t3Sqg2/GSAJxTFEBpiKWJBaxiH Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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" 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