From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?Q?Christian_K=c3=b6nig?= <ckoenig.leichtzumerken@gmail.com>
Subject: Re: [PATCH] dma-buf: fix stack corruption in dma_fence_chain_release
Date: Mon, 5 Aug 2019 15:02:51 +0200
Message-ID: <af470fba-fb46-e0c4-caa0-220d6083ffc3@gmail.com>
References: <20190805073657.1389-1-christian.koenig@amd.com>
 <1ad7ef20-0207-7f80-ee12-ec98c1d5dfcb@intel.com>
Reply-To: christian.koenig@amd.com
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com
 [IPv6:2a00:1450:4864:20::344])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 0B10F89C05
 for <dri-devel@lists.freedesktop.org>; Mon,  5 Aug 2019 13:02:55 +0000 (UTC)
Received: by mail-wm1-x344.google.com with SMTP id p74so74638700wme.4
 for <dri-devel@lists.freedesktop.org>; Mon, 05 Aug 2019 06:02:54 -0700 (PDT)
In-Reply-To: <1ad7ef20-0207-7f80-ee12-ec98c1d5dfcb@intel.com>
Content-Language: en-US
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Lionel Landwerlin <lionel.g.landwerlin@intel.com>, dri-devel@lists.freedesktop.org, david1.zhou@amd.com
List-Id: dri-devel@lists.freedesktop.org

Tm90IGV2ZW4gcmVtb3RlbHkgOilJIHRlc3RlZCB0aGlzIHdpdGggbXkgb3duIGNyYWZ0ZWQgY29k
ZSBpbnNpZGUgdGhlIAprZXJuZWwuCgpJdCdzIHByb2JhYmx5IHF1aXRlIHNvbWUgaGFzc2xlIHRv
IGFjdHVhbGx5IHRyaWdnZXIgdGhpcyBwcm9ibGVtIGZyb20gCnVzZXJzcGFjZSBhbmQgSSBvbmx5
IGZvdW5kIGl0IGJlY2F1c2UgSSBjcmVhdGVkIGEgdmVyeSB2ZXJ5IGxvbmcgCnNlcXVlbmNlIGNo
YWluIGJ5IGFjY2lkZW50LgoKQ2hyaXN0aWFuLgoKQW0gMDUuMDguMTkgdW0gMTQ6MDMgc2Nocmll
YiBMaW9uZWwgTGFuZHdlcmxpbjoKPiBCeSBhbnkgY2hhbmdlLCBkaWQgeW91IHJ1biBpbnRvIHRo
aXMgd2l0aCBhIENUUyB0ZXN0IHdob3NlIG5hbWUgZW5kcyAKPiB3aXRoICIuY2hhaW4iID8gOikK
Pgo+IC1MaW9uZWwKPgo+IE9uIDA1LzA4LzIwMTkgMTA6MzYsIENocmlzdGlhbiBLw7ZuaWcgd3Jv
dGU6Cj4+IFdlIGNhbid0IGZyZWUgdXAgdGhlIGNoYWluIHVzaW5nIHJlY3Vyc2lvbiBvciB3ZSBy
dW4gaW50byBhIHN0YWNrIAo+PiBvdmVyZmxvdy4KPj4KPj4gTWFudWFsbHkgZnJlZSB1cCB0aGUg
ZGFuZ2xpbmcgY2hhaW4gbm9kZXMgdG8gYXZvaWQgcmVjdXJzaW9uLgo+Pgo+PiBTaWduZWQtb2Zm
LWJ5OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Cj4+IC0tLQo+
PiDCoCBkcml2ZXJzL2RtYS1idWYvZG1hLWZlbmNlLWNoYWluLmMgfCAyNCArKysrKysrKysrKysr
KysrKysrKysrKy0KPj4gwqAgMSBmaWxlIGNoYW5nZWQsIDIzIGluc2VydGlvbnMoKyksIDEgZGVs
ZXRpb24oLSkKPj4KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZG1hLWJ1Zi9kbWEtZmVuY2UtY2hh
aW4uYyAKPj4gYi9kcml2ZXJzL2RtYS1idWYvZG1hLWZlbmNlLWNoYWluLmMKPj4gaW5kZXggYjUw
ODlmNjRiZTJhLi40NGE3NDE2NzdkMjUgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZG1hLWJ1Zi9k
bWEtZmVuY2UtY2hhaW4uYwo+PiArKysgYi9kcml2ZXJzL2RtYS1idWYvZG1hLWZlbmNlLWNoYWlu
LmMKPj4gQEAgLTE3OCw4ICsxNzgsMzAgQEAgc3RhdGljIGJvb2wgZG1hX2ZlbmNlX2NoYWluX3Np
Z25hbGVkKHN0cnVjdCAKPj4gZG1hX2ZlbmNlICpmZW5jZSkKPj4gwqAgc3RhdGljIHZvaWQgZG1h
X2ZlbmNlX2NoYWluX3JlbGVhc2Uoc3RydWN0IGRtYV9mZW5jZSAqZmVuY2UpCj4+IMKgIHsKPj4g
wqDCoMKgwqDCoCBzdHJ1Y3QgZG1hX2ZlbmNlX2NoYWluICpjaGFpbiA9IHRvX2RtYV9mZW5jZV9j
aGFpbihmZW5jZSk7Cj4+ICvCoMKgwqAgc3RydWN0IGRtYV9mZW5jZSAqcHJldjsKPj4gKwo+PiAr
wqDCoMKgIC8qIE1hbnVhbGx5IHVubGluayB0aGUgY2hhaW4gYXMgbXVjaCBhcyBwb3NzaWJsZSB0
byBhdm9pZCByZWN1cnNpb24KPj4gK8KgwqDCoMKgICogYW5kIHBvdGVudGlhbCBzdGFjayBvdmVy
Zmxvdy4KPj4gK8KgwqDCoMKgICovCj4+ICvCoMKgwqAgd2hpbGUgKChwcmV2ID0gcmN1X2RlcmVm
ZXJlbmNlX3Byb3RlY3RlZChjaGFpbi0+cHJldiwgdHJ1ZSkpKSB7Cj4+ICvCoMKgwqDCoMKgwqDC
oCBzdHJ1Y3QgZG1hX2ZlbmNlX2NoYWluICpwcmV2X2NoYWluOwo+PiArCj4+ICvCoMKgwqDCoMKg
wqDCoCBpZiAoa3JlZl9yZWFkKCZwcmV2LT5yZWZjb3VudCkgPiAxKQo+PiArwqDCoMKgwqDCoMKg
wqDCoMKgwqDCoMKgwqDCoCBicmVhazsKPj4gKwo+PiArwqDCoMKgwqDCoMKgwqAgcHJldl9jaGFp
biA9IHRvX2RtYV9mZW5jZV9jaGFpbihwcmV2KTsKPj4gK8KgwqDCoMKgwqDCoMKgIGlmICghcHJl
dl9jaGFpbikKPj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqAgYnJlYWs7Cj4+ICsKPj4gK8KgwqDC
oMKgwqDCoMKgIC8qIE5vIG5lZWQgZm9yIGF0b21pYyBvcGVyYXRpb25zIHNpbmNlIHdlIGhvbGQg
dGhlIGxhc3QKPj4gK8KgwqDCoMKgwqDCoMKgwqAgKiByZWZlcmVuY2UgdG8gcHJldl9jaGFpbi4K
Pj4gK8KgwqDCoMKgwqDCoMKgwqAgKi8KPj4gK8KgwqDCoMKgwqDCoMKgIGNoYWluLT5wcmV2ID0g
cHJldl9jaGFpbi0+cHJldjsKPj4gK8KgwqDCoMKgwqDCoMKgIFJDVV9JTklUX1BPSU5URVIocHJl
dl9jaGFpbi0+cHJldiwgTlVMTCk7Cj4+ICvCoMKgwqDCoMKgwqDCoCBkbWFfZmVuY2VfcHV0KHBy
ZXYpOwo+PiArwqDCoMKgIH0KPj4gK8KgwqDCoCBkbWFfZmVuY2VfcHV0KHByZXYpOwo+PiDCoCAt
wqDCoMKgIGRtYV9mZW5jZV9wdXQocmN1X2RlcmVmZXJlbmNlX3Byb3RlY3RlZChjaGFpbi0+cHJl
diwgdHJ1ZSkpOwo+PiDCoMKgwqDCoMKgIGRtYV9mZW5jZV9wdXQoY2hhaW4tPmZlbmNlKTsKPj4g
wqDCoMKgwqDCoCBkbWFfZmVuY2VfZnJlZShmZW5jZSk7Cj4+IMKgIH0KPgo+CgpfX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBs
aXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz
a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw=