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spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 258B86F3FE; Thu, 27 May 2021 15:05:14 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 959E46F3FA; Thu, 27 May 2021 15:05:12 +0000 (UTC) IronPort-SDR: ruK5SZTlAJbtuWWruQFoxuFuIlqGer/0i9JSeTl5xc+s5HfMgdve8rhlZKjFg5RSCnnk4G06S8 y1lSr0Hnk3YA== X-IronPort-AV: E=McAfee;i="6200,9189,9996"; a="183090380" X-IronPort-AV: E=Sophos;i="5.82,334,1613462400"; d="scan'208";a="183090380" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2021 08:05:11 -0700 IronPort-SDR: rX0iP5n4vxkD8U6eoadxTbMGWSM0uO0cFv5k4VCfkp7Khj0slTX2ncW5ygf082L6L2HNdxSPmA XaZgVOXPsylQ== X-IronPort-AV: E=Sophos;i="5.82,334,1613462400"; d="scan'208";a="414942024" Received: from ibanaga-mobl.ger.corp.intel.com ([10.249.254.58]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2021 08:05:08 -0700 Message-ID: From: Thomas =?ISO-8859-1?Q?Hellstr=F6m?= To: Christian =?ISO-8859-1?Q?K=F6nig?= , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Thu, 27 May 2021 17:05:06 +0200 In-Reply-To: <8b3382726763050334a6cb214f7ba560eebf8f28.camel@linux.intel.com> References: <20210527141923.1962350-1-thomas.hellstrom@linux.intel.com> <883eab20-4326-d14a-2eb0-5e95f174a0d9@amd.com> <8b3382726763050334a6cb214f7ba560eebf8f28.camel@linux.intel.com> User-Agent: Evolution 3.38.4 (3.38.4-1.fc33) MIME-Version: 1.0 Subject: Re: [Intel-gfx] [RFC PATCH] drm/ttm: Fix swapping dereferences of freed memory X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" T24gVGh1LCAyMDIxLTA1LTI3IGF0IDE3OjAxICswMjAwLCBUaG9tYXMgSGVsbHN0csO2bSB3cm90 ZToKPiBPbiBUaHUsIDIwMjEtMDUtMjcgYXQgMTY6NTQgKzAyMDAsIENocmlzdGlhbiBLw7ZuaWcg d3JvdGU6Cj4gPiBBbSAyNy4wNS4yMSB1bSAxNjoxOSBzY2hyaWViIFRob21hcyBIZWxsc3Ryw7Zt Ogo+ID4gPiBUaGUgc3dhcHBpbmcgY29kZSB3YXMgZGVyZWZlcmVuY2UgYm8tPnR0bSBwb2ludGVy cyB3aXRob3V0IGhhdmluZwo+ID4gPiB0aGUKPiA+ID4gZG1hLXJlc3YgbG9jayBoZWxkLiBBbHNv IGl0IG1pZ2h0IHRyeSB0byBzd2FwIG91dCB1bnBvcHVsYXRlZAo+ID4gPiBib3MuCj4gPiA+IAo+ ID4gPiBGaXggdGhpcyBieSBtb3ZpbmcgdGhlIGJvLT50dG0gZGVyZWZlcmVuY2UgdW50aWwgd2Ug aGF2ZSB0aGUKPiA+ID4gcmVzZXJ2YXRpb24KPiA+ID4gbG9jay4gQ2hlY2sgdGhhdCB0aGUgdHRt X3R0IGlzIHBvcHVsYXRlZCBhZnRlciB0aGUgc3dhcF9ub3RpZnkKPiA+ID4gY2FsbGJhY2suCj4g PiA+IAo+ID4gPiBTaWduZWQtb2ZmLWJ5OiBUaG9tYXMgSGVsbHN0csO2bQo+ID4gPiA8dGhvbWFz LmhlbGxzdHJvbUBsaW51eC5pbnRlbC5jb20+Cj4gPiA+IC0tLQo+ID4gPiDCoCBkcml2ZXJzL2dw dS9kcm0vdHRtL3R0bV9iby5jwqDCoMKgwqAgfCAxNiArKysrKysrKysrKysrKystCj4gPiA+IMKg IGRyaXZlcnMvZ3B1L2RybS90dG0vdHRtX2RldmljZS5jIHzCoCA4ICsrKy0tLS0tCj4gPiA+IMKg IDIgZmlsZXMgY2hhbmdlZCwgMTggaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKPiA+ID4g Cj4gPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5jCj4gPiA+IGIv ZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm8uYwo+ID4gPiBpbmRleCA5ZjUzNTA2YTgyZmMuLjg2 MjEzZDM3NjU3YiAxMDA2NDQKPiA+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm8u Ywo+ID4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5jCj4gPiA+IEBAIC0xMTYz LDYgKzExNjMsMTYgQEAgaW50IHR0bV9ib19zd2Fwb3V0KHN0cnVjdAo+ID4gPiB0dG1fYnVmZmVy X29iamVjdAo+ID4gPiAqYm8sIHN0cnVjdCB0dG1fb3BlcmF0aW9uX2N0eCAqY3R4LAo+ID4gPiDC oMKgwqDCoMKgwqDCoMKgaWYgKCF0dG1fYm9fZXZpY3Rfc3dhcG91dF9hbGxvd2FibGUoYm8sIGN0 eCwgJnBsYWNlLAo+ID4gPiAmbG9ja2VkLCBOVUxMKSkKPiA+ID4gwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqByZXR1cm4gLUVCVVNZOwo+ID4gPiDCoCAKPiA+ID4gK8KgwqDCoMKgwqDC oMKgZG1hX3Jlc3ZfYXNzZXJ0X2hlbGQoYm8tPmJhc2UucmVzdik7Cj4gPiA+ICsKPiA+ID4gK8Kg wqDCoMKgwqDCoMKgaWYgKCFiby0+dHRtIHx8Cj4gPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoCBi by0+dHRtLT5wYWdlX2ZsYWdzICYgVFRNX1BBR0VfRkxBR19TRyB8fAo+ID4gPiArwqDCoMKgwqDC oMKgwqDCoMKgwqAgYm8tPnR0bS0+cGFnZV9mbGFncyAmIFRUTV9QQUdFX0ZMQUdfU1dBUFBFRCkg ewo+ID4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgaWYgKGxvY2tlZCkKPiA+ID4g K8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBkbWFfcmVzdl91 bmxvY2soYm8tPmJhc2UucmVzdik7Cj4gPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqByZXR1cm4gLUVCVVNZOwo+ID4gPiArwqDCoMKgwqDCoMKgwqB9Cj4gPiA+ICsKPiA+ID4gwqDC oMKgwqDCoMKgwqDCoGlmICghdHRtX2JvX2dldF91bmxlc3NfemVybyhibykpIHsKPiA+ID4gwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBpZiAobG9ja2VkKQo+ID4gPiDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBkbWFfcmVzdl91bmxvY2soYm8t PmJhc2UucmVzdik7Cj4gPiA+IEBAIC0xMjE1LDcgKzEyMjUsOCBAQCBpbnQgdHRtX2JvX3N3YXBv dXQoc3RydWN0IHR0bV9idWZmZXJfb2JqZWN0Cj4gPiA+ICpibywgc3RydWN0IHR0bV9vcGVyYXRp b25fY3R4ICpjdHgsCj4gPiA+IMKgwqDCoMKgwqDCoMKgwqBpZiAoYm8tPmJkZXYtPmZ1bmNzLT5z d2FwX25vdGlmeSkKPiA+ID4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBiby0+YmRl di0+ZnVuY3MtPnN3YXBfbm90aWZ5KGJvKTsKPiA+ID4gwqAgCj4gPiA+IC3CoMKgwqDCoMKgwqDC oHJldCA9IHR0bV90dF9zd2Fwb3V0KGJvLT5iZGV2LCBiby0+dHRtLCBnZnBfZmxhZ3MpOwo+ID4g PiArwqDCoMKgwqDCoMKgwqBpZiAodHRtX3R0X2lzX3BvcHVsYXRlZChiby0+dHRtKSkKPiA+ID4g K8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoHJldCA9IHR0bV90dF9zd2Fwb3V0KGJvLT5i ZGV2LCBiby0+dHRtLAo+ID4gPiBnZnBfZmxhZ3MpOwo+ID4gCj4gPiBFeGFjdGx5IHRoYXQgaXMg d2hhdCBJIHdvbid0IHJlY29tbWVuZC4gV2Ugd291bGQgdHJ5IHRvIHN3YXAgb3V0Cj4gPiB0aGUg Cj4gPiBzYW1lIEJPIG92ZXIgYW5kIG92ZXIgYWdhaW4gd2l0aCB0aGF0Lgo+IAo+IEJ1dCB3ZSB3 b3VsZG4ndCBzaW5jZSB0aGUgQk8gaXMgdGFrZW4gb2ZmIHRoZSBMUlUgYW5kIG5ldmVyIHJlLWFk ZGVkLAo+IAo+IApJbiBmYWN0LCB3ZSdkIHByb2JhYmx5IG1pZ2h0IHdhbnQgdG8gdGFrZSB0aGUg IWJvLT50dG0gYm9zIG9mZiB0aGUgTFJVCmFzIHdlbGwuLgoKL1Rob21hcwoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==