Received: by 2002:a05:6a10:17d3:0:0:0:0 with SMTP id hz19csp1275526pxb; Sun, 11 Apr 2021 13:52:44 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwfHBrNZQV7+J/5M0B5GsBXKI6Sz/H5Rb+GrPwdrSdou0Q8SxXSZndJWGQxF3QWIcSJ+oh1 X-Received: by 2002:a17:906:7c9:: with SMTP id m9mr6254492ejc.54.1618174364531; Sun, 11 Apr 2021 13:52:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1618174364; cv=none; d=google.com; s=arc-20160816; b=d6bkE+lqszP8zxI6hqs/lEWGSU6r0aShOhUmjgCiIuWFXW/zSHFFzGt1tQIhe4amfx clvndLfC4/y7GQspyeN4QETZvVYlW1zh2aOlz2Y4vwA0JBvVzHylKBLeN3gqutzFvlAl N5HFt0stx9aJg9XHkPZaHqxo73AzU49JOMolO7uaiLkOVruY/hZF1+mb16STHC2T0hg8 Isa3IeXr/+xJgtQpC650IGBJ6U3k/tCTRt+zC3ad6oJ36JEs5RT9mwBgqkEcnGMiXZgn Oo/EyKwL3x1u9yAP6N25JFsCZ6SbA5FnaZElnAHpwruyyuQa6wF53/cWGKD5coDOlaUO iGPg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:mime-version:user-agent:date :message-id:from:references:to:subject; bh=Qysxdw3gvXPfGeiSvZPFcxJDC9tTVsK+6ieTCp9925M=; b=Qd4gXT7b6bFdkVioUmfW0U5hV4YIYsqnhojgDxS8LsaSQqfA5namvJcSEbAH/cm3pb YfE6Obz9atOYUldARkBn/zUbKQKTyq+wob6qVWRJwoe5i0K4ZUu7OIoGlaKJsaR+ROVo Q3fgPC/qDK4Y0MiZ1WO1MqaE0/UpUtgLvvyFy05v9/NFTI81Adra14EISFVLJRYlH4S4 1qg/3+P3xCXSiQXxow2R66NXDDlf2X3A46eRM/y5ng8o54lACHfhtuJHlkSNOc4WgwyD /khEln3Gci6NpO2RxFdIhq+WRaCOfsxpXGRunouh3K5oWtAme7RVqme0h/N2yJHpZAuI Frbg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id r3si6378334edx.603.2021.04.11.13.51.56; Sun, 11 Apr 2021 13:52:44 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235669AbhDKSKz (ORCPT + 99 others); Sun, 11 Apr 2021 14:10:55 -0400 Received: from mx2.suse.de ([195.135.220.15]:58432 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233822AbhDKSKy (ORCPT ); Sun, 11 Apr 2021 14:10:54 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3ED53AFCD; Sun, 11 Apr 2021 18:10:37 +0000 (UTC) Subject: Re: [syzbot] general protection fault in drm_client_buffer_vunmap To: syzbot , airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, igormtorrente@gmail.com, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, syzkaller-bugs@googlegroups.com, ztong0001@gmail.com References: <000000000000c4cba105bfb126a1@google.com> From: Thomas Zimmermann Message-ID: Date: Sun, 11 Apr 2021 20:10:35 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: <000000000000c4cba105bfb126a1@google.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ii1uA8SbKGnacI9yJQ5vuK86BGgASN8G0" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --ii1uA8SbKGnacI9yJQ5vuK86BGgASN8G0 Content-Type: multipart/mixed; boundary="SsLLBMZChnh4BSylHImKZ5477u4oaUgdk"; protected-headers="v1" From: Thomas Zimmermann To: syzbot , airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, igormtorrente@gmail.com, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, syzkaller-bugs@googlegroups.com, ztong0001@gmail.com Message-ID: Subject: Re: [syzbot] general protection fault in drm_client_buffer_vunmap References: <000000000000c4cba105bfb126a1@google.com> In-Reply-To: <000000000000c4cba105bfb126a1@google.com> --SsLLBMZChnh4BSylHImKZ5477u4oaUgdk Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable #syz fix: drm/fb-helper: only unmap if buffer not null Am 11.04.21 um 14:01 schrieb syzbot: > #syz fix: drm/fb-helper: only unmap if buffer not null --=20 Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany (HRB 36809, AG N=C3=BCrnberg) Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer --SsLLBMZChnh4BSylHImKZ5477u4oaUgdk-- --ii1uA8SbKGnacI9yJQ5vuK86BGgASN8G0 Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEExndm/fpuMUdwYFFolh/E3EQov+AFAmBzO5sFAwAAAAAACgkQlh/E3EQov+Do iA/6A63OiUqCl0TY+rWCEkigqR95XHyj5rG/PhluHcPBYkV4tOj55HGHdVYazKCSH0qI43rcFW/e JTMPpee1SwNXCcVlyl8W8b2rEJfI6hSl4FY9h8Qewy/MlLNv+HoMabhcfu/qEFwJ2OtBtyz82QJx z3sCMthyEDWp0TgQ8t5eOKW3/6dkrtaQYWxpGxiqLtQXakZI+4WY+Fak0frWSscWI+NGNBnbV0xP N2SxZZlInefPrspDKzgkcxhVmF2gozCU31PSRTgy3Iw7gXfb7S3QrzVyCJYfeqqL2QAu5pb9o+oz 5IPL6T2xZIkFUJmvEyPNijOJvA8NPWQnoLN0NOknOoqNumyD6lCJ0Ra04tmy40l15dTUbrxTNnMV vJKGz68OtWCoyvvqhxHD72tvQI8zXXOlsFHf5tPjRTHYiiO2Bfs34WjrxiyV2NLZ0XcgUvUD9tcO lrs296P5ZXQ6j+/jCuKqCRNR+2DwgZNSMiSKb6dAiJW6uIVVW2sWQu17BO7xVGWvv+zIZCP6BbFG 4m95zNEZ3E2Ajt/OtMvDRivh6PEsA2/HIDEfH4Nrl5DgSzieu6jAxhMYa2TtLbW7qsrB7gkaF8cx xzuJGfbhX1xx9Kx+aForK2IJWfwBdS4qNBDl+hzVREJwxKLEuhqEgKAifupBtJ9ZW1+cbrGVw9HP aVA= =r+LL -----END PGP SIGNATURE----- --ii1uA8SbKGnacI9yJQ5vuK86BGgASN8G0--