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{ "id": 2217327, "url": "http://patchwork.ozlabs.org/api/covers/2217327/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/cover/20260327213732.4049575-1-john.cabaj@canonical.com/", "project": { "id": 15, "url": "http://patchwork.ozlabs.org/api/projects/15/?format=api", "name": "Ubuntu Kernel", "link_name": "ubuntu-kernel", "list_id": "kernel-team.lists.ubuntu.com", "list_email": "kernel-team@lists.ubuntu.com", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260327213732.4049575-1-john.cabaj@canonical.com>", "list_archive_url": null, "date": "2026-03-27T21:37:27", "name": "[SRU,R/Q:linux-azure,0/4,Mana,Backport] net: mana: Fix use-after-free in reset service rescan path & net: mana: Fix double destroy_workqueue on service rescan PCI path", "submitter": { "id": 85032, "url": "http://patchwork.ozlabs.org/api/people/85032/?format=api", "name": "John Cabaj", "email": "john.cabaj@canonical.com" }, "mbox": "http://patchwork.ozlabs.org/project/ubuntu-kernel/cover/20260327213732.4049575-1-john.cabaj@canonical.com/mbox/", "series": [ { "id": 497833, "url": "http://patchwork.ozlabs.org/api/series/497833/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=497833", "date": "2026-03-27T21:37:31", "name": "net: mana: Fix use-after-free in reset service rescan path & net: mana: Fix double destroy_workqueue on service rescan PCI path", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497833/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2217327/comments/", "headers": { "Return-Path": "<kernel-team-bounces@lists.ubuntu.com>", "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=sBwZ73Ip;\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 4fjDWy41yTz1y0D\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 28 Mar 2026 08:37:49 +1100 (AEDT)", "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 <kernel-team-bounces@lists.ubuntu.com>)\n\tid 1w6Es5-0003ys-Ok; Fri, 27 Mar 2026 21:37:37 +0000", "from smtp-relay-internal-0.internal ([10.131.114.225]\n helo=smtp-relay-internal-0.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 <john.cabaj@canonical.com>)\n id 1w6Es4-0003yQ-An\n for kernel-team@lists.ubuntu.com; Fri, 27 Mar 2026 21:37:36 +0000", "from mail-qk1-f198.google.com (mail-qk1-f198.google.com\n [209.85.222.198])\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-0.canonical.com (Postfix) with ESMTPS id 3CA673F5B0\n for <kernel-team@lists.ubuntu.com>; Fri, 27 Mar 2026 21:37:36 +0000 (UTC)", "by mail-qk1-f198.google.com with SMTP id\n af79cd13be357-8cfba9b4eb3so222710185a.3\n for <kernel-team@lists.ubuntu.com>; Fri, 27 Mar 2026 14:37:36 -0700 (PDT)", "from smtp.gmail.com\n (h208-73-92-250.mdtnwi.broadband.dynamic.tds.net. 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charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "kernel-team-bounces@lists.ubuntu.com", "Sender": "\"kernel-team\" <kernel-team-bounces@lists.ubuntu.com>" }, "content": "BugLink: https://bugs.launchpad.net/bugs/2146588\n\nSRU Justification\n\n[Impact]\n\n* Microsoft requested patches to address use-after-free and double-free issues in MANA driver\n\n[Fix]\nResolute\n* clean cherry-pick of upstream patches:\n * fa103fc8f569: \"net: mana: fix use-after-free in mana_hwc_destroy_channel() by reordering teardown\"\nQuesting\n* clean cherry-pick of upstream patches:\n * 3387a7ad478b: \"net: mana: Fix use-after-free in reset service rescan path\"\n * f975a0955276: \"net: mana: Fix double destroy_workqueue on service rescan PCI path\"\n * 87c2302813ab: \"net/mana: Null service_wq on setup error to prevent double destroy\"\n * fa103fc8f569: \"net: mana: fix use-after-free in mana_hwc_destroy_channel() by reordering teardown\"\n\n[Test Plan]\n\n* Compile tested\n* Microsoft to test\n\n[Regression potential]\n\n* Patches limited to MANA. Possible regressions result in unexpected behavior of MANA driver.\n\n[Other info]\n\n* SF#00431703\n\nDipayaan Roy (1):\n net: mana: fix use-after-free in mana_hwc_destroy_channel() by\n reordering teardown\n\n drivers/net/ethernet/microsoft/mana/hw_channel.c | 6 +++---\n 1 file changed, 3 insertions(+), 3 deletions(-)" }