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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0E79C433E0 for ; Fri, 31 Jul 2020 07:39:39 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7B33C2067D for ; Fri, 31 Jul 2020 07:39:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B33C2067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 03EE76E9FD; Fri, 31 Jul 2020 07:39:39 +0000 (UTC) Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.74]) by gabe.freedesktop.org (Postfix) with ESMTPS id D25916E9FD for ; Fri, 31 Jul 2020 07:39:36 +0000 (UTC) Received: from mail-qk1-f173.google.com ([209.85.222.173]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.145]) with ESMTPSA (Nemesis) id 1MQeDw-1kNunA2mZi-00NkUb; Fri, 31 Jul 2020 09:34:30 +0200 Received: by mail-qk1-f173.google.com with SMTP id 11so28028779qkn.2; Fri, 31 Jul 2020 00:34:30 -0700 (PDT) X-Gm-Message-State: AOAM533AUa0rfZ2B4KJCmAV+YIXw27vjNHzfGjNT8d4nOmWwuTxdEIx9 wMlRVKM92S87BrJS0Zt9ZtCfnexO2Z+jotZ0+o4= X-Google-Smtp-Source: ABdhPJxYk3wIyoxiO9LUCf/QsYM6dUKOpKBu16SsDD6IATmeJ5ingRMD/m8u2OxTjlKcCpmR5ojXc2QcoL/2khVzoU8= X-Received: by 2002:a37:b942:: with SMTP id j63mr2753181qkf.138.1596180869243; Fri, 31 Jul 2020 00:34:29 -0700 (PDT) MIME-Version: 1.0 References: <20200728192924.441570-1-yepeilin.cs@gmail.com> <30b2a31f-77c2-56c1-ecde-875c6eea99d5@gmail.com> <8c5cf518-12d2-7495-7822-c7ebf8e61972@amd.com> In-Reply-To: <8c5cf518-12d2-7495-7822-c7ebf8e61972@amd.com> From: Arnd Bergmann Date: Fri, 31 Jul 2020 09:34:13 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [Linux-kernel-mentees] [PATCH] drm/amdgpu: Prevent kernel-infoleak in amdgpu_info_ioctl() To: Luben Tuikov X-Provags-ID: V03:K1:3WMwR6CLz5y7u7uyoi3mXVJWx8GritRDl8U568YTSDkaz+nZBbG WnGMP5JdrjfGgi7QYyVkth5zE3mUvJ5GTLYKhgUXbJKSRG0aVF3/QCK5mNVtUbQgZZFcijc +LWdfZOkwZmB8di5KiM7uw7Mr2kiGCWKFwwRxtvIdpPW2n+2uoQz05d+EYW7Q1rn6ni4udD feNTWJJQ65ytBk4+wnWNw== X-UI-Out-Filterresults: notjunk:1;V03:K0:1oPfPocfRSc=:HRgK6333mW7wdsMxbFlKm7 PX5kPrleLAq8F4RJzmofYQGJRa+2E8iw4LMDRZ5/GCkF4oGCFgPMf0Ldc8S8wnRGw2wVpg1VJ Qe9o/J0VHyfbbPRpIVk3pSBLx3B3CApH8Xi/24d//OVAjWbR0xHJKnycQMQcgFXnoZ1ghjJYj LzThlWYYpl8MvdHZCEE+JVlO6wspF6F2CUL6/s7Pc3y005bBlaHLhJC5HgR/twxWDFDL6d6Ac HXCp5o35tizNjD/sYwtk1qGPEgQpdHpMJ02+twuBQFHRb1yBe7GE7ooFFh4i3DbqejQ5FjIAz rqFBlUPRow7W2G2pNkCf3LLCUWi/fSMdU+PqkmN+hG2Nn4CGpXdKHTEAtLajXHLeeW9l+mWCS /XpLX5siNXuPGd1O728eYyKXLWIPEvTDmnOEIcNNgs5lIEpJEjJYrcpfsd76Fqzk0401TAzHl pQogAlBUYizGn4RvjayWBw6bZoaAa58sGcimKmENH92Z+lbvCSkjut8OQjU6raUuUam4BWmdF 1CNLCa4aSpLn/jvKXjD1dMA9wISrnsospirBQlvCj9yMpCdLZnSpZTHuIVXHBcpdCp1i5Ve5c EJIlelMirnbLGrEzTAVOiUa7AvXTrWt9Z2+fZRjukPW5idriVNKV78uvPPDwtdcy3YFBG/ijd f8pdeT8lleOu+b/z+6L74XCgcoyytSsLsEToVp0Uh2/OOjS/bVNdv2y7r6Kzz68ziweG/aF0h InH15qt+n+ar2TJo5cDlE9j5aM+sQ4XsMCg1k1PbU8u7pBgUy6YENXnrdATFDF8LV2gNN3SXP i/u1wLl2WHjP1r4hd7y1G6OvatxMnC4N8O65qV1FhSLHXy98T7ovbhzv3eQtiyGCgJN7bNQl8 H2ibZSShk95KC9EyvJzxUVrkKhvWb74OoF36SsoS1vnchtYGurG54oIxXeETJOjK2N+XiYP7a 465mONOcSmI7Ube7nYY8tTjGhA5BXSmWjA7GdtOPNhpoyH/QUbHOq 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: , Cc: David Airlie , Greg Kroah-Hartman , Felix Kuehling , LKML , amd-gfx list , Nicholas Kazlauskas , =?UTF-8?B?TWFyZWsgT2zFocOhaw==?= , Hans de Goede , linux-kernel-mentees@lists.linuxfoundation.org, Trek , Maling list - DRI developers , Thomas Zimmermann , Peilin Ye , Alex Deucher , Evan Quan , Leo Liu , Christian Koenig , Dan Carpenter , Xiaojie Yuan Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gVGh1LCBKdWwgMzAsIDIwMjAgYXQgMTE6MDkgUE0gTHViZW4gVHVpa292IDxsdWJlbi50dWlr b3ZAYW1kLmNvbT4gd3JvdGU6Cj4gT24gMjAyMC0wNy0yOSA5OjQ5IGEubS4sIEFsZXggRGV1Y2hl ciB3cm90ZToKPiA+IE9uIFdlZCwgSnVsIDI5LCAyMDIwIGF0IDQ6MTEgQU0gQ2hyaXN0aWFuIEvD tm5pZwo+ID4gPGNrb2VuaWcubGVpY2h0enVtZXJrZW5AZ21haWwuY29tPiB3cm90ZToKPiA+Pgo+ ID4+IEFtIDI4LjA3LjIwIHVtIDIxOjI5IHNjaHJpZWIgUGVpbGluIFllOgo+ID4+PiBDb21waWxl ciBsZWF2ZXMgYSA0LWJ5dGUgaG9sZSBuZWFyIHRoZSBlbmQgb2YgYGRldl9pbmZvYCwgY2F1c2lu Zwo+ID4+PiBhbWRncHVfaW5mb19pb2N0bCgpIHRvIGNvcHkgdW5pbml0aWFsaXplZCBrZXJuZWwg c3RhY2sgbWVtb3J5IHRvIHVzZXJzcGFjZQo+ID4+PiB3aGVuIGBzaXplYCBpcyBncmVhdGVyIHRo YW4gMzU2Lgo+ID4+Pgo+ID4+PiBJbiAyMDE1IHdlIHRyaWVkIHRvIGZpeCB0aGlzIGlzc3VlIGJ5 IGRvaW5nIGA9IHt9O2Agb24gYGRldl9pbmZvYCwgd2hpY2gKPiA+Pj4gdW5mb3J0dW5hdGVseSBk b2VzIG5vdCBpbml0aWFsaXplIHRoYXQgNC1ieXRlIGhvbGUuIEZpeCBpdCBieSB1c2luZwo+ID4+ PiBtZW1zZXQoKSBpbnN0ZWFkLgo+ID4+Pgo+ID4+PiBDYzogc3RhYmxlQHZnZXIua2VybmVsLm9y Zwo+ID4+PiBGaXhlczogYzE5M2ZhOTFiOTE4ICgiZHJtL2FtZGdwdTogaW5mb3JtYXRpb24gbGVh ayBpbiBhbWRncHVfaW5mb19pb2N0bCgpIikKPiA+Pj4gRml4ZXM6IGQzOGNlYWY5OWVkMCAoImRy bS9hbWRncHU6IGFkZCBjb3JlIGRyaXZlciAodjQpIikKPiA+Pj4gU3VnZ2VzdGVkLWJ5OiBEYW4g Q2FycGVudGVyIDxkYW4uY2FycGVudGVyQG9yYWNsZS5jb20+Cj4gPj4+IFNpZ25lZC1vZmYtYnk6 IFBlaWxpbiBZZSA8eWVwZWlsaW4uY3NAZ21haWwuY29tPgo+ID4+Cj4gPj4gUmV2aWV3ZWQtYnk6 IENocmlzdGlhbiBLw7ZuaWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KPiA+Pgo+ID4+IEkg Y2FuJ3QgY291bnQgaG93IG1hbnkgb2YgdGhvc2Ugd2UgaGF2ZSBmaXhlZCBvdmVyIHRoZSB5ZWFy cy4KPiA+Pgo+ID4+IEF0IHNvbWUgcG9pbnQgd2Ugc2hvdWxkIHByb2JhYmx5IGRvY3VtZW50IHRo YXQgdXNpbmcgIj0ge30iIG9yICI9IHsgMCB9Igo+ID4+IGluIHRoZSBrZXJuZWwgaXMgYSByZWFs bHkgYmFkIGlkZWEgYW5kIHNob3VsZCBiZSBhdm9pZGVkLgo+ID4KPiA+IE1vcmVvdmVyLCBpdCBz ZWVtcyBsaWtlIGRpZmZlcmVudCBjb21waWxlcnMgc2VlbSB0byBiZWhhdmUgcmVsYXRpdmVseQo+ ID4gZGlmZmVyZW50bHkgd2l0aCB0aGVzZSBhbmQgd2Ugb2Z0ZW4gZ2V0IHJlcG9ydHMgb2Ygd2Fy bmluZ3Mgd2l0aCB0aGVzZQo+ID4gb24gY2xhbmcuICBXaGVuIGluIGRvdWJ0LCBtZW1zZXQuCj4K PiBUaGVyZSBhcmUgcXVpdGUgYSBmZXcgb2YgdGhvc2UgdW5kZXIgZHJpdmVycy9ncHUvZHJtLCBm b3IgImFtZC8iLCAic2NoZWR1bGVyLyIKPiBkcm0qLmMgZmlsZXMsCj4KPiAkZmluZCAuIFwoIC1y ZWdleCAiLi9kcm0uKlwuYyIgLW9yIC1yZWdleCAiLi9hbWQvLipcLmMiIC1vciAtcmVnZXggIi4v c2NoZWR1bGVyLy4qXC5jIiBcKSAtZXhlYyBlZ3JlcCAtbiAtLSAiICo9ICp7ICoofE5VTEx8MCkg Kn0iIFx7XH0gXCsgfCB3YyAtbAo+IDM3NAo+ICRfCj4KPiBPdXQgb2Ygd2hpY2ggb25seSAxNiBh cmUgb2YgdGhlIG5vbi1JU08gQyB2YXJpZXR5LCAiPSB7fSIsCj4KPiAkZmluZCAuIFwoIC1yZWdl eCAiLi9kcm0uKlwuYyIgLW9yIC1yZWdleCAiLi9hbWQvLipcLmMiIC1vciAtcmVnZXggIi4vc2No ZWR1bGVyLy4qXC5jIiBcKSAtZXhlYyBlZ3JlcCAtbiAtLSAiICo9ICp7ICp9IiBce1x9IFwrIHwg d2MgLWwKPiAxNgo+ICRfCgpUaGF0IGlzIGFuIHVucmVsYXRlZCBpc3N1ZSwgdGhvc2Ugd2VyZSBp bnRyb2R1Y2VkIHRvIGRlYWwgd2l0aCBvbGRlciBjb21waWxlcnMKdGhhdCBkbyBub3QgYWNjZXB0 ICd7MH0nIGFzIGFuIGluaXRpYWxpemVyIGZvciBhbiBhZ2dyZWdhdGUgd2hvc2UKZmlyc3QgbWVt YmVyIGlzCmFub3RoZXIgYWdncmVnYXRlLiBHZW5lcmFsbHkgc3BlYWtpbmcsICc9IHsgfScgaXMg YmV0dGVyIHRvIHVzZSBpbiB0aGUKa2VybmVsIHRoYW4KJz0geyAwIH0nIGJlY2F1c2UgYWxsIHN1 cHBvcnRlZCBjb21waWxlcnMgaW50ZXJwcmV0IHRoYXQgdGhlIHNhbWUgd2F5IGZvciBhbGwKc3Ry dWN0dXJlcy4KCiAgICAgQXJuZApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9k cmktZGV2ZWwK