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GET /api/patches/2217322/?format=api
{ "id": 2217322, "url": "http://patchwork.ozlabs.org/api/patches/2217322/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20260327213732.4049575-5-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": "<20260327213732.4049575-5-john.cabaj@canonical.com>", "list_archive_url": null, "date": "2026-03-27T21:37:31", "name": "[SRU,Q:linux-azure,3/4] net/mana: Null service_wq on setup error to prevent double destroy", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "d653727b6398e384862cbd58667dbda8f517bba0", "submitter": { "id": 85032, "url": "http://patchwork.ozlabs.org/api/people/85032/?format=api", "name": "John Cabaj", "email": "john.cabaj@canonical.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20260327213732.4049575-5-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/patches/2217322/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217322/checks/", "tags": {}, "related": [], "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=OIpxuHqa;\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 4fjDWy46HVz1yGQ\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 1w6EsA-000434-Vr; Fri, 27 Mar 2026 21:37:43 +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 <john.cabaj@canonical.com>)\n id 1w6Es6-0003zE-G5\n for kernel-team@lists.ubuntu.com; Fri, 27 Mar 2026 21:37:38 +0000", "from mail-qk1-f197.google.com (mail-qk1-f197.google.com\n [209.85.222.197])\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 61F2D3F601\n for <kernel-team@lists.ubuntu.com>; Fri, 27 Mar 2026 21:37:38 +0000 (UTC)", "by mail-qk1-f197.google.com with SMTP id\n af79cd13be357-8cfc1bc572cso786377385a.3\n for <kernel-team@lists.ubuntu.com>; Fri, 27 Mar 2026 14:37:38 -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": "From: Shiraz Saleem <shirazsaleem@microsoft.com>\n\nBugLink: https://bugs.launchpad.net/bugs/2146588\n\nIn mana_gd_setup() error path, set gc->service_wq to NULL after\ndestroy_workqueue() to match the cleanup in mana_gd_cleanup().\nThis prevents a use-after-free if the workqueue pointer is checked\nafter a failed setup.\n\nFixes: f975a0955276 (\"net: mana: Fix double destroy_workqueue on service rescan PCI path\")\nSigned-off-by: Shiraz Saleem <shirazsaleem@microsoft.com>\nSigned-off-by: Konstantin Taranov <kotaranov@microsoft.com>\nReviewed-by: Simon Horman <horms@kernel.org>\nLink: https://patch.msgid.link/20260309172443.688392-1-kotaranov@linux.microsoft.com\nSigned-off-by: Jakub Kicinski <kuba@kernel.org>\n(cherry picked from commit 87c2302813abc55c46485711a678e3c312b00666)\nSigned-off-by: John Cabaj <john.cabaj@canonical.com>\n---\n drivers/net/ethernet/microsoft/mana/gdma_main.c | 1 +\n 1 file changed, 1 insertion(+)", "diff": "diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c\nindex da4f82433bb0..829a7d98fa41 100644\n--- a/drivers/net/ethernet/microsoft/mana/gdma_main.c\n+++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c\n@@ -1938,6 +1938,7 @@ static int mana_gd_setup(struct pci_dev *pdev)\n \tmana_gd_remove_irqs(pdev);\n free_workqueue:\n \tdestroy_workqueue(gc->service_wq);\n+\tgc->service_wq = NULL;\n \tdev_err(&pdev->dev, \"%s failed (error %d)\\n\", __func__, err);\n \treturn err;\n }\n", "prefixes": [ "SRU", "Q:linux-azure", "3/4" ] }