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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDD57C43334 for ; Tue, 12 Jul 2022 10:24:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229776AbiGLKY3 (ORCPT ); Tue, 12 Jul 2022 06:24:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231524AbiGLKY2 (ORCPT ); Tue, 12 Jul 2022 06:24:28 -0400 X-Greylist: delayed 1888 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 12 Jul 2022 03:24:26 PDT Received: from m1564.mail.126.com (m1564.mail.126.com [220.181.15.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 15D91ADD6E for ; Tue, 12 Jul 2022 03:24:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=Date:From:Subject:MIME-Version:Message-ID; bh=B8roZ I7C9VYssQt3Uu6DLBmOWrjdoGs4ebLDpR6yl3c=; b=NsVfT8KvXcDQaLilzZN0D AAW9N8ctWPvSHdCxLYO301BfXJUqgAFAQFPbGShaKJpkbaC0Jaa7T14inmeaOGYP cSpNZeq+c+wTmOLpPkBAJFVFpenyAuZWes0kuwmzU0SW2hqnd1mLxEfngV5yt4Fe HKsj1DvDhn0zT2rpiVtsq4= Received: from sohu0106$126.com ( [119.3.119.21] ) by ajax-webmail-wmsvr64 (Coremail) ; Tue, 12 Jul 2022 17:52:51 +0800 (CST) X-Originating-IP: [119.3.119.21] Date: Tue, 12 Jul 2022 17:52:51 +0800 (CST) From: sohu0106 To: vneethv@linux.ibm.com, oberpar@linux.ibm.com Cc: linux-s390@vger.kernel.org Subject: buffer overflow in vfio_ccw_async_region_write/vfio_ccw_async_region_read X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.13 build 20220113(9671e152) Copyright (c) 2002-2022 www.mailtech.cn 126com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <255c7ef5.6bf9.181f1d3637e.Coremail.sohu0106@126.com> X-Coremail-Locale: zh_CN X-CM-TRANSID: QMqowABXX3NzRM1ihk9KAA--.8055W X-CM-SenderInfo: pvrk3iqrqwqiyswou0bp/1tbi7Qk8HlpEAYe-xQABsl X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org CkluIHRoZSB2ZmlvX2Njd19hc3luY19yZWdpb25fd3JpdGUvdmZpb19jY3dfYXN5bmNfcmVnaW9u X3JlYWQgZnVuY3Rpb24gb2YgZHJpdmVycy9zMzkwL2Npby92ZmlvX2Njd19hc3luYy5jLCBwYXJh bWV0ZXIgInNpemVfdCBjb3VudCIgaXMgcGFzcyBieSB1c2VybGFuZCwgaWYgImNvdW50IiBpcyB2 ZXJ5IGxhcmdlLCBpdCB3aWxsIGJ5cGFzcyAiaWYgKHBvcyArIGNvdW50ID4gc2l6ZW9mKCpyZWdp b24pKSIuKHN1Y2ggYXMgY291bnQ9MHhmZmZmZmZmZikuIFRoZW4gaXQgd2lsbCBsZWFkIHRvIGJ1 ZmZlciBvdmVyZmxvdyBpbiAiY29weV9mcm9tX3VzZXIoKHZvaWQgKilyZWdpb24gKyBwb3MsIGJ1 ZiwgY291bnQpIi7CoAoKCgoKZGlmZiAtLWdpdCBhL3ZmaW9fY2N3X2FzeW5jLmNfb3JnIGIvdmZp b19jY3dfYXN5bmMuYwppbmRleCA3YTgzOGUzLi4zMzMzOWFkIDEwMDY0NAotLS0gYS92ZmlvX2Nj d19hc3luYy5jX29yZworKysgYi92ZmlvX2Njd19hc3luYy5jCkBAIC0yMSw3ICsyMSw3IEBAIHN0 YXRpYyBzc2l6ZV90IHZmaW9fY2N3X2FzeW5jX3JlZ2lvbl9yZWFkKHN0cnVjdCB2ZmlvX2Njd19w cml2YXRlICpwcml2YXRlLArCoCDCoCDCoCDCoCBzdHJ1Y3QgY2N3X2NtZF9yZWdpb24gKnJlZ2lv bjsKwqAgwqAgwqAgwqAgaW50IHJldDsKCgotwqAgwqAgwqAgwqBpZiAocG9zICsgY291bnQgPiBz aXplb2YoKnJlZ2lvbikpCivCoCDCoCDCoCDCoGlmIChwb3MgKyBjb3VudCA+IHNpemVvZigqcmVn aW9uKSAmJiBwb3MgKyBjb3VudCA+IHBvcykKwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgcmV0dXJu IC1FSU5WQUw7CgoKwqAgwqAgwqAgwqAgbXV0ZXhfbG9jaygmcHJpdmF0ZS0+aW9fbXV0ZXgpOwpA QCAtNDMsNyArNDMsNyBAQCBzdGF0aWMgc3NpemVfdCB2ZmlvX2Njd19hc3luY19yZWdpb25fd3Jp dGUoc3RydWN0IHZmaW9fY2N3X3ByaXZhdGUgKnByaXZhdGUsCsKgIMKgIMKgIMKgIHN0cnVjdCBj Y3dfY21kX3JlZ2lvbiAqcmVnaW9uOwrCoCDCoCDCoCDCoCBpbnQgcmV0OwoKCi3CoCDCoCDCoCDC oGlmIChwb3MgKyBjb3VudCA+IHNpemVvZigqcmVnaW9uKSkKK8KgIMKgIMKgIMKgaWYgKHBvcyAr IGNvdW50ID4gc2l6ZW9mKCpyZWdpb24pICYmIHBvcyArIGNvdW50ID4gcG9zKQrCoCDCoCDCoCDC oCDCoCDCoCDCoCDCoCByZXR1cm4gLUVJTlZBTDsKCgrCoCDCoCDCoCDCoCBpZiAoIW11dGV4X3Ry eWxvY2soJnByaXZhdGUtPmlvX211dGV4KSkKCg==