[{"id":3673765,"web_url":"http://patchwork.ozlabs.org/comment/3673765/","msgid":"","list_archive_url":null,"date":"2026-04-06T15:04:17","subject":"NAK: [SRU][Q/N/J:linux-azure][PATCH 0/2] Backporting critical SMB\n client fixes to affected Ubuntu distros","submitter":{"id":85032,"url":"http://patchwork.ozlabs.org/api/people/85032/","name":"John Cabaj","email":"john.cabaj@canonical.com"},"content":"On 4/6/26 9:57 AM, John Cabaj wrote:\n> BugLink: https://bugs.launchpad.net/bugs/2147347\n> \n> SRU Justification\n> \n> [Impact]\n> \n> * Microsoft requested patches to address potential data corruption issues when network disconnects during extended writes.\n> \n> [Fix]\n> Questing\n> * clean cherry-pick of upstream patches:\n> * d78840a6a38d: \"smb: client: fix in-place encryption corruption in SMB2_write()\"\n> * e3beefd3af09: \"cifs: make default value of retrans as zero\"\n> Noble/Jammy\n> * clean cherry-pick of upstream patch:\n> * d78840a6a38d: \"smb: client: fix in-place encryption corruption in SMB2_write()\"\n> * simple backport of upstream patch:\n> * e3beefd3af09: \"cifs: make default value of retrans as zero\"\n> \n> [Test Plan]\n> \n> * Compile tested\n> * Microsoft to test\n> \n> [Regression potential]\n> \n> * Patches limited to CIFs. Possible regressions result in unexpected behavior of CIFs driver.\n> \n> [Other info]\n> \n> * SF#00432539\n> \n> Bharath SM (1):\n> smb: client: fix in-place encryption corruption in SMB2_write()\n> \n> Shyam Prasad N (1):\n> cifs: make default value of retrans as zero\n> \n> fs/smb/client/fs_context.c | 2 +-\n> fs/smb/client/smb2pdu.c | 5 ++++-\n> 2 files changed, 5 insertions(+), 2 deletions(-)\n> \n\nBuild failed. Trying again then will send a v2\n\nj-c","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=KfjCeXG4;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com\n (client-ip=185.125.189.65; helo=lists.ubuntu.com;\n envelope-from=kernel-team-bounces@lists.ubuntu.com;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.ubuntu.com (lists.ubuntu.com [185.125.189.65])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fqCKV45lhz1xy1\n\tfor ; Tue, 07 Apr 2026 01:04:30 +1000 (AEST)","from localhost ([127.0.0.1] helo=lists.ubuntu.com)\n\tby lists.ubuntu.com with esmtp (Exim 4.86_2)\n\t(envelope-from )\n\tid 1w9lV0-0000Xf-3Z; Mon, 06 Apr 2026 15:04:22 +0000","from smtp-relay-internal-1.internal ([10.131.114.114]\n helo=smtp-relay-internal-1.canonical.com)\n by lists.ubuntu.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.86_2) (envelope-from )\n id 1w9lUy-0000XQ-91\n for kernel-team@lists.ubuntu.com; Mon, 06 Apr 2026 15:04:20 +0000","from mail-qk1-f199.google.com (mail-qk1-f199.google.com\n [209.85.222.199])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id 1EC763F0B1\n for ; Mon, 6 Apr 2026 15:04:20 +0000 (UTC)","by mail-qk1-f199.google.com with SMTP id\n af79cd13be357-8cfbfac0e05so1028104485a.1\n for ; Mon, 06 Apr 2026 08:04:20 -0700 (PDT)","from [192.168.1.218]\n (h208-73-92-250.mdtnwi.broadband.dynamic.tds.net. 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