Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2218956/?format=api
{ "id": 2218956, "url": "http://patchwork.ozlabs.org/api/patches/2218956/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260402072701.628293-3-ruanjinjie@huawei.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260402072701.628293-3-ruanjinjie@huawei.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260402072701.628293-3-ruanjinjie@huawei.com/", "date": "2026-04-02T07:26:48", "name": "[v12,02/15] powerpc/crash: Fix possible memory leak in update_crash_elfcorehdr()", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "50c7d434bf0ed52dce301f311ca5823ea37efaa5", "submitter": { "id": 84791, "url": "http://patchwork.ozlabs.org/api/people/84791/?format=api", "name": "Jinjie Ruan", "email": "ruanjinjie@huawei.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260402072701.628293-3-ruanjinjie@huawei.com/mbox/", "series": [ { "id": 498443, "url": "http://patchwork.ozlabs.org/api/series/498443/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=498443", "date": "2026-04-02T07:26:46", "name": "arm64/riscv: Add support for crashkernel CMA reservation", "version": 12, "mbox": "http://patchwork.ozlabs.org/series/498443/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218956/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2218956/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-19193-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=huawei.com header.i=@huawei.com header.a=rsa-sha256\n header.s=dkim header.b=tFzuTHsT;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-19193-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=none smtp.remote-ip=113.46.200.222", "lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=huawei.com", "lists.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=huawei.com header.i=@huawei.com header.a=rsa-sha256\n header.s=dkim header.b=tFzuTHsT;\n\tdkim-atps=neutral", "lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=huawei.com\n (client-ip=113.46.200.222; helo=canpmsgout07.his.huawei.com;\n envelope-from=ruanjinjie@huawei.com; receiver=lists.ozlabs.org)" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org\n [IPv6:2404:9400:21b9:f100::1])\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 4fmYLQ1YNXz1yCs\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 02 Apr 2026 18:26:06 +1100 (AEDT)", "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4fmYL95cLzz2yqc;\n\tThu, 02 Apr 2026 18:25:53 +1100 (AEDT)", "from canpmsgout07.his.huawei.com (canpmsgout07.his.huawei.com\n [113.46.200.222])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 4fmYL85MKJz2yjw\n\tfor <linuxppc-dev@lists.ozlabs.org>; Thu, 02 Apr 2026 18:25:52 +1100 (AEDT)", "from mail.maildlp.com (unknown [172.19.162.92])\n\tby canpmsgout07.his.huawei.com (SkyGuard) with ESMTPS id 4fmYBz53n1zLlTb;\n\tThu, 2 Apr 2026 15:19:39 +0800 (CST)", "from dggpemf500011.china.huawei.com (unknown [7.185.36.131])\n\tby mail.maildlp.com (Postfix) with ESMTPS id 4BBA04056C;\n\tThu, 2 Apr 2026 15:25:49 +0800 (CST)", "from huawei.com (10.90.53.73) by dggpemf500011.china.huawei.com\n (7.185.36.131) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 2 Apr\n 2026 15:25:46 +0800" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1775114753;\n\tcv=none;\n b=PSiUs3GwKPZPOnlrTSIV6NVwKWv5ZAOiEgbJq5ERYwsbb+idEsFRUBbKDN+0WzKUO0CQCr1DRk04H2O2j3cKpRCWnLG6uK0tVE5w7UnU4ynKAl9Ajjg2cEiOZ4tRsnw9bUfICkeghwp5jb7Sv29Y6pynnsccoYqFC9qHj02ejcTViUXvtj+euxINFlHWIxj43cQVkd7fX0JlE3we/72vnIxQ067FI6d8XJXMHL+9nlzjd9e9g/6UXf0xTxRUP6FMvMIIP9Y1rV/xUTkIdkwzQZGVU9deL5rvYZ2eca8g8qp3EmmyQHMAZ0rtQC+Gmk0pJJGqCGiPNwNJ18B9OAlVMg==", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1775114753; c=relaxed/relaxed;\n\tbh=jId8P+ONUCkepbB9G1MdtS+YuPsIL1WMFxljnCguKpc=;\n\th=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=DLqoDn6XB9moCbkm91RA2t3Hf4JGuw0cUVakNkYwYPtjxc1pDD9TLBr374dQ9KsHmhFmtfYRS6I6JqifzBPSk/HQJKIN89PpUUVjLwBOxXhem2kb+dkvZl1x/9Xg0yyb/jbBux9JoL8VvRHbesX57uPce9UIgtDjFasXT/i4w+hmIhguWCBw2uGaGC+ELT0RH7/0whRA/rFNLoNBR6QQbLVv4InjeobgkoBYg3hdPJNpeSdV35QDjOgbRYAUDKue55Y0owBwje9KLhstx2c0boN9VM8/jDrqsybO8qZTgUmh0087bYA74Lc21u94R1F1lFiwC5GCqsE+Sq/hSZXm2A==", "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=huawei.com;\n dkim=pass (1024-bit key;\n unprotected) header.d=huawei.com header.i=@huawei.com header.a=rsa-sha256\n header.s=dkim header.b=tFzuTHsT; dkim-atps=neutral;\n spf=pass (client-ip=113.46.200.222; helo=canpmsgout07.his.huawei.com;\n envelope-from=ruanjinjie@huawei.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=huawei.com", "dkim-signature": "v=1; a=rsa-sha256; d=huawei.com; s=dkim;\n\tc=relaxed/relaxed; q=dns/txt;\n\th=From;\n\tbh=jId8P+ONUCkepbB9G1MdtS+YuPsIL1WMFxljnCguKpc=;\n\tb=tFzuTHsTkjp4T9eVg+QMjSR1BwdJKPVGlbxtsiR/GAHmEdxR/pSdAVK0KLuk7PcltF+4loIVu\n\tCdZt6dmuUw92EX/5a4EchYTeJiN0hf+WMgxJIDJeJrMc3/wVkKB6Iq0m+GnTt7eqZbUqXZ3vuva\n\toUihRt+/+uUS97kTDqFf1qs=", "From": "Jinjie Ruan <ruanjinjie@huawei.com>", "To": "<corbet@lwn.net>, <skhan@linuxfoundation.org>, <catalin.marinas@arm.com>,\n\t<will@kernel.org>, <chenhuacai@kernel.org>, <kernel@xen0n.name>,\n\t<maddy@linux.ibm.com>, <mpe@ellerman.id.au>, <npiggin@gmail.com>,\n\t<chleroy@kernel.org>, <pjw@kernel.org>, <palmer@dabbelt.com>,\n\t<aou@eecs.berkeley.edu>, <alex@ghiti.fr>, <tglx@kernel.org>,\n\t<mingo@redhat.com>, <bp@alien8.de>, <dave.hansen@linux.intel.com>,\n\t<hpa@zytor.com>, <robh@kernel.org>, <saravanak@kernel.org>,\n\t<akpm@linux-foundation.org>, <bhe@redhat.com>, <vgoyal@redhat.com>,\n\t<dyoung@redhat.com>, <rdunlap@infradead.org>, <peterz@infradead.org>,\n\t<pawan.kumar.gupta@linux.intel.com>, <feng.tang@linux.alibaba.com>,\n\t<dapeng1.mi@linux.intel.com>, <kees@kernel.org>, <elver@google.com>,\n\t<paulmck@kernel.org>, <lirongqing@baidu.com>, <rppt@kernel.org>,\n\t<leitao@debian.org>, <ardb@kernel.org>, <jbohac@suse.cz>,\n\t<cfsworks@gmail.com>, <tangyouling@kylinos.cn>, <sourabhjain@linux.ibm.com>,\n\t<ritesh.list@gmail.com>, <hbathini@linux.ibm.com>, <eajames@linux.ibm.com>,\n\t<guoren@kernel.org>, <songshuaishuai@tinylab.org>, <kevin.brodsky@arm.com>,\n\t<vishal.moola@gmail.com>, <junhui.liu@pigmoral.tech>, <coxu@redhat.com>,\n\t<fuqiang.wang@easystack.cn>, <liaoyuanhong@vivo.com>,\n\t<takahiro.akashi@linaro.org>, <james.morse@arm.com>, <lizhengyu3@huawei.com>,\n\t<x86@kernel.org>, <linux-doc@vger.kernel.org>,\n\t<linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>,\n\t<loongarch@lists.linux.dev>, <linuxppc-dev@lists.ozlabs.org>,\n\t<linux-riscv@lists.infradead.org>, <devicetree@vger.kernel.org>,\n\t<kexec@lists.infradead.org>", "CC": "<ruanjinjie@huawei.com>", "Subject": "[PATCH v12 02/15] powerpc/crash: Fix possible memory leak in\n update_crash_elfcorehdr()", "Date": "Thu, 2 Apr 2026 15:26:48 +0800", "Message-ID": "<20260402072701.628293-3-ruanjinjie@huawei.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260402072701.628293-1-ruanjinjie@huawei.com>", "References": "<20260402072701.628293-1-ruanjinjie@huawei.com>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Originating-IP": "[10.90.53.73]", "X-ClientProxiedBy": "kwepems100002.china.huawei.com (7.221.188.206) To\n dggpemf500011.china.huawei.com (7.185.36.131)", "X-Spam-Status": "No, score=-0.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tDKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "In get_crash_memory_ranges(), if crash_exclude_mem_range() failed\nafter realloc_mem_ranges() has successfully allocated the cmem\nmemory, it just returns an error but leaves cmem pointing to\nthe allocated memory, nor is it freed in the caller\nupdate_crash_elfcorehdr(), which cause a memory leak, goto out\nto free the cmem.\n\nCc: Sourabh Jain <sourabhjain@linux.ibm.com>\nCc: Hari Bathini <hbathini@linux.ibm.com>\nCc: Michael Ellerman <mpe@ellerman.id.au>\nFixes: 849599b702ef (\"powerpc/crash: add crash memory hotplug support\")\nSigned-off-by: Jinjie Ruan <ruanjinjie@huawei.com>\n---\n arch/powerpc/kexec/crash.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/arch/powerpc/kexec/crash.c b/arch/powerpc/kexec/crash.c\nindex a325c1c02f96..1d12cef8e1e0 100644\n--- a/arch/powerpc/kexec/crash.c\n+++ b/arch/powerpc/kexec/crash.c\n@@ -440,7 +440,7 @@ static void update_crash_elfcorehdr(struct kimage *image, struct memory_notify *\n \tret = get_crash_memory_ranges(&cmem);\n \tif (ret) {\n \t\tpr_err(\"Failed to get crash mem range\\n\");\n-\t\treturn;\n+\t\tgoto out;\n \t}\n \n \t/*\n", "prefixes": [ "v12", "02/15" ] }