[{"id":3679418,"web_url":"http://patchwork.ozlabs.org/comment/3679418/","msgid":"<20260420-stable-reply-smb-oplock-5-15@kernel.org>","list_archive_url":null,"date":"2026-04-20T13:21:12","subject":"Re: [PATCH 5.15.y] smb: client: fix potential UAF in\n smb2_is_valid_oplock_break()","submitter":{"id":75065,"url":"http://patchwork.ozlabs.org/api/people/75065/","name":"Sasha Levin","email":"sashal@kernel.org"},"content":"On Fri, Apr 17, 2026, Robert Garcia wrote:\n> Backport of 22863485a462 (\"smb: client: fix potential UAF in\n> smb2_is_valid_oplock_break()\") to 5.15.y.\n\nQueued for 5.15, thanks.\n\n--\nThanks,\nSasha","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-cifs@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=aXsOwA3N;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; helo=tor.lore.kernel.org;\n envelope-from=linux-cifs+bounces-10938-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"aXsOwA3N\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201"],"Received":["from tor.lore.kernel.org (tor.lore.kernel.org\n [IPv6:2600:3c04:e001:36c::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fzmz52f4tz1yCv\n\tfor ; Mon, 20 Apr 2026 23:48:17 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby tor.lore.kernel.org (Postfix) with ESMTP id 45C9031537AC\n\tfor ; Mon, 20 Apr 2026 13:32:48 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 59F403ACA5D;\n\tMon, 20 Apr 2026 13:21:31 +0000 (UTC)","from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org\n [10.30.226.201])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 376233ACA59;\n\tMon, 20 Apr 2026 13:21:31 +0000 (UTC)","by smtp.kernel.org (Postfix) with ESMTPSA id 6DB0AC2BCB4;\n\tMon, 20 Apr 2026 13:21:30 +0000 (UTC)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776691291; cv=none;\n b=Qnk44twFBoiJELdZoxo/5TvCzvd1iLNlGTC8WLYOWTi6Ygdfi+wlqNGa2wcvob77joZtXaPwh+UpJNYOnjFA13nOm+zxVNr4Q3cvGndVeeC2kRw4sL4gvdcvMOh/dXRsiVzOdg5vHzexqIXroTlL6b/HVcgIdwjHUwUUOnB8RY8=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776691291; c=relaxed/simple;\n\tbh=8LZ5bl+knt2OcJdfZuerLEqSkIkxSxyCfsrCyXvC3pA=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=D762nLzCGXtcgEX5U/cXScp1NhrcTInItfpgzlK2aPjOmkrqgb481AZHGgXU9ugMpwgZ2cvm8GKk1Wo7kdiSWtmwnKiwA3kRbmccRoPNdcFo7tdR6mWJqYf1E2CRVKU/uLchJ8WxoCifFHGX7y64IIZjd2xeDIZM6G6Xt9EETy4=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=aXsOwA3N; arc=none smtp.client-ip=10.30.226.201","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1776691291;\n\tbh=8LZ5bl+knt2OcJdfZuerLEqSkIkxSxyCfsrCyXvC3pA=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=aXsOwA3NsQoFLxp3cwR66vcfiwp3mEf434XF1fa+C0zBVTX6nwVfD0qDcrAU/mjxU\n\t wJl+V8qlgG4EfIeacSWZ4AQcyvQunffTp9rgBw1tomm2NHEYEOk7sXRz+Z1RPA4za6\n\t mMlvy+i1ljSw5vXZnEBaAorgSblRxXJzlRmE8/tMTSJfmRMntwjcHba2PW2o87dOWO\n\t GwOJaugc98LmUb8ZZN4JE2wtPS7SEQ6fkeOiuZT/OxWQZUuAKtQpG7PhUiSEC/EiAg\n\t fcQw6I19y2z4GqZ4BZ8LGbPMrsn/0h7hOPhK3LXqd+/27QW1Rgnlw/w2RGSdOr+IHd\n\t IsrWwc1IvDQtg==","From":"Sasha Levin ","To":"Robert Garcia ","Cc":"Sasha Levin ,\n\tstable@vger.kernel.org,\n\tlinux-cifs@vger.kernel.org,\n\tSteve French ,\n\tPaulo Alcantara ","Subject":"Re: [PATCH 5.15.y] smb: client: fix potential UAF in\n smb2_is_valid_oplock_break()","Date":"Mon, 20 Apr 2026 09:21:12 -0400","Message-ID":"<20260420-stable-reply-smb-oplock-5-15@kernel.org>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260417063426.1101332-1-rob_garcia@163.com>","References":"<20260417063426.1101332-1-rob_garcia@163.com>","Precedence":"bulk","X-Mailing-List":"linux-cifs@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"}}]