From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lionel Landwerlin Subject: Re: [PATCH] dma-buf: fix stack corruption in dma_fence_chain_release Date: Mon, 5 Aug 2019 16:32:20 +0300 Message-ID: <3fe2fe25-75f2-7461-8c33-01ffa1de29ba@intel.com> References: <20190805073657.1389-1-christian.koenig@amd.com> <1ad7ef20-0207-7f80-ee12-ec98c1d5dfcb@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 978A489C61 for ; Mon, 5 Aug 2019 13:32:22 +0000 (UTC) In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: christian.koenig@amd.com, dri-devel@lists.freedesktop.org, david1.zhou@amd.com List-Id: dri-devel@lists.freedesktop.org VGhhdCBvbmUgdGVzdCBjcmVhdGVzIGEgMzJrIGNoYWluIG9mIGZlbmNlcyBJIHRoaW5rLgpBbnl3 YXkgbXkga2VybmVsIGNyYXNoIHdhcyB1bnJlbGF0ZWQgOykKCi1MaW9uZWwKCk9uIDA1LzA4LzIw MTkgMTY6MDIsIENocmlzdGlhbiBLw7ZuaWcgd3JvdGU6Cj4gTm90IGV2ZW4gcmVtb3RlbHkgOilJ IHRlc3RlZCB0aGlzIHdpdGggbXkgb3duIGNyYWZ0ZWQgY29kZSBpbnNpZGUgdGhlIAo+IGtlcm5l bC4KPgo+IEl0J3MgcHJvYmFibHkgcXVpdGUgc29tZSBoYXNzbGUgdG8gYWN0dWFsbHkgdHJpZ2dl ciB0aGlzIHByb2JsZW0gZnJvbSAKPiB1c2Vyc3BhY2UgYW5kIEkgb25seSBmb3VuZCBpdCBiZWNh dXNlIEkgY3JlYXRlZCBhIHZlcnkgdmVyeSBsb25nIAo+IHNlcXVlbmNlIGNoYWluIGJ5IGFjY2lk ZW50Lgo+Cj4gQ2hyaXN0aWFuLgo+Cj4gQW0gMDUuMDguMTkgdW0gMTQ6MDMgc2NocmllYiBMaW9u ZWwgTGFuZHdlcmxpbjoKPj4gQnkgYW55IGNoYW5nZSwgZGlkIHlvdSBydW4gaW50byB0aGlzIHdp dGggYSBDVFMgdGVzdCB3aG9zZSBuYW1lIGVuZHMgCj4+IHdpdGggIi5jaGFpbiIgPyA6KQo+Pgo+ PiAtTGlvbmVsCj4+Cj4+IE9uIDA1LzA4LzIwMTkgMTA6MzYsIENocmlzdGlhbiBLw7ZuaWcgd3Jv dGU6Cj4+PiBXZSBjYW4ndCBmcmVlIHVwIHRoZSBjaGFpbiB1c2luZyByZWN1cnNpb24gb3Igd2Ug cnVuIGludG8gYSBzdGFjayAKPj4+IG92ZXJmbG93Lgo+Pj4KPj4+IE1hbnVhbGx5IGZyZWUgdXAg dGhlIGRhbmdsaW5nIGNoYWluIG5vZGVzIHRvIGF2b2lkIHJlY3Vyc2lvbi4KPj4+Cj4+PiBTaWdu ZWQtb2ZmLWJ5OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Cj4+ PiAtLS0KPj4+IMKgIGRyaXZlcnMvZG1hLWJ1Zi9kbWEtZmVuY2UtY2hhaW4uYyB8IDI0ICsrKysr KysrKysrKysrKysrKysrKysrLQo+Pj4gwqAgMSBmaWxlIGNoYW5nZWQsIDIzIGluc2VydGlvbnMo KyksIDEgZGVsZXRpb24oLSkKPj4+Cj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEtYnVmL2Rt YS1mZW5jZS1jaGFpbi5jIAo+Pj4gYi9kcml2ZXJzL2RtYS1idWYvZG1hLWZlbmNlLWNoYWluLmMK Pj4+IGluZGV4IGI1MDg5ZjY0YmUyYS4uNDRhNzQxNjc3ZDI1IDEwMDY0NAo+Pj4gLS0tIGEvZHJp dmVycy9kbWEtYnVmL2RtYS1mZW5jZS1jaGFpbi5jCj4+PiArKysgYi9kcml2ZXJzL2RtYS1idWYv ZG1hLWZlbmNlLWNoYWluLmMKPj4+IEBAIC0xNzgsOCArMTc4LDMwIEBAIHN0YXRpYyBib29sIGRt YV9mZW5jZV9jaGFpbl9zaWduYWxlZChzdHJ1Y3QgCj4+PiBkbWFfZmVuY2UgKmZlbmNlKQo+Pj4g wqAgc3RhdGljIHZvaWQgZG1hX2ZlbmNlX2NoYWluX3JlbGVhc2Uoc3RydWN0IGRtYV9mZW5jZSAq ZmVuY2UpCj4+PiDCoCB7Cj4+PiDCoMKgwqDCoMKgIHN0cnVjdCBkbWFfZmVuY2VfY2hhaW4gKmNo YWluID0gdG9fZG1hX2ZlbmNlX2NoYWluKGZlbmNlKTsKPj4+ICvCoMKgwqAgc3RydWN0IGRtYV9m ZW5jZSAqcHJldjsKPj4+ICsKPj4+ICvCoMKgwqAgLyogTWFudWFsbHkgdW5saW5rIHRoZSBjaGFp biBhcyBtdWNoIGFzIHBvc3NpYmxlIHRvIGF2b2lkIAo+Pj4gcmVjdXJzaW9uCj4+PiArwqDCoMKg wqAgKiBhbmQgcG90ZW50aWFsIHN0YWNrIG92ZXJmbG93Lgo+Pj4gK8KgwqDCoMKgICovCj4+PiAr wqDCoMKgIHdoaWxlICgocHJldiA9IHJjdV9kZXJlZmVyZW5jZV9wcm90ZWN0ZWQoY2hhaW4tPnBy ZXYsIHRydWUpKSkgewo+Pj4gK8KgwqDCoMKgwqDCoMKgIHN0cnVjdCBkbWFfZmVuY2VfY2hhaW4g KnByZXZfY2hhaW47Cj4+PiArCj4+PiArwqDCoMKgwqDCoMKgwqAgaWYgKGtyZWZfcmVhZCgmcHJl di0+cmVmY291bnQpID4gMSkKPj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGJyZWFr Owo+Pj4gKwo+Pj4gK8KgwqDCoMKgwqDCoMKgIHByZXZfY2hhaW4gPSB0b19kbWFfZmVuY2VfY2hh aW4ocHJldik7Cj4+PiArwqDCoMKgwqDCoMKgwqAgaWYgKCFwcmV2X2NoYWluKQo+Pj4gK8KgwqDC oMKgwqDCoMKgwqDCoMKgwqAgYnJlYWs7Cj4+PiArCj4+PiArwqDCoMKgwqDCoMKgwqAgLyogTm8g bmVlZCBmb3IgYXRvbWljIG9wZXJhdGlvbnMgc2luY2Ugd2UgaG9sZCB0aGUgbGFzdAo+Pj4gK8Kg wqDCoMKgwqDCoMKgwqAgKiByZWZlcmVuY2UgdG8gcHJldl9jaGFpbi4KPj4+ICvCoMKgwqDCoMKg wqDCoMKgICovCj4+PiArwqDCoMKgwqDCoMKgwqAgY2hhaW4tPnByZXYgPSBwcmV2X2NoYWluLT5w cmV2Owo+Pj4gK8KgwqDCoMKgwqDCoMKgIFJDVV9JTklUX1BPSU5URVIocHJldl9jaGFpbi0+cHJl diwgTlVMTCk7Cj4+PiArwqDCoMKgwqDCoMKgwqAgZG1hX2ZlbmNlX3B1dChwcmV2KTsKPj4+ICvC oMKgwqAgfQo+Pj4gK8KgwqDCoCBkbWFfZmVuY2VfcHV0KHByZXYpOwo+Pj4gwqAgLcKgwqDCoCBk bWFfZmVuY2VfcHV0KHJjdV9kZXJlZmVyZW5jZV9wcm90ZWN0ZWQoY2hhaW4tPnByZXYsIHRydWUp KTsKPj4+IMKgwqDCoMKgwqAgZG1hX2ZlbmNlX3B1dChjaGFpbi0+ZmVuY2UpOwo+Pj4gwqDCoMKg wqDCoCBkbWFfZmVuY2VfZnJlZShmZW5jZSk7Cj4+PiDCoCB9Cj4+Cj4+Cj4KPgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcg bGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRl c2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs