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GET /api/patches/2215673/?format=api
{ "id": 2215673, "url": "http://patchwork.ozlabs.org/api/patches/2215673/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260325025904.2811960-3-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": "<20260325025904.2811960-3-ruanjinjie@huawei.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260325025904.2811960-3-ruanjinjie@huawei.com/", "date": "2026-03-25T02:58:58", "name": "[v10,2/8] 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/20260325025904.2811960-3-ruanjinjie@huawei.com/mbox/", "series": [ { "id": 497378, "url": "http://patchwork.ozlabs.org/api/series/497378/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497378", "date": "2026-03-25T02:58:56", "name": "[v10,1/8] riscv: kexec_file: Fix crashk_low_res not exclude bug", "version": 10, "mbox": "http://patchwork.ozlabs.org/series/497378/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2215673/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2215673/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-18751-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=ivD1fPbT;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-18751-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=none smtp.remote-ip=113.46.200.216", 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<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>, <ruanjinjie@huawei.com>,\n\t<rppt@kernel.org>, <ardb@kernel.org>, <leitao@debian.org>, <osandov@fb.com>,\n\t<cfsworks@gmail.com>, <tangyouling@kylinos.cn>, <sourabhjain@linux.ibm.com>,\n\t<ritesh.list@gmail.com>, <eajames@linux.ibm.com>,\n\t<songshuaishuai@tinylab.org>, <kevin.brodsky@arm.com>,\n\t<samuel.holland@sifive.com>, <vishal.moola@gmail.com>,\n\t<junhui.liu@pigmoral.tech>, <coxu@redhat.com>, <liaoyuanhong@vivo.com>,\n\t<jbohac@suse.cz>, <fuqiang.wang@easystack.cn>, <guoren@kernel.org>,\n\t<chenjiahao16@huawei.com>, <hbathini@linux.ibm.com>, <james.morse@arm.com>,\n\t<takahiro.akashi@linaro.org>, <lizhengyu3@huawei.com>, <x86@kernel.org>,\n\t<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,\n\t<linux-arm-kernel@lists.infradead.org>, <loongarch@lists.linux.dev>,\n\t<linuxppc-dev@lists.ozlabs.org>, <linux-riscv@lists.infradead.org>,\n\t<devicetree@vger.kernel.org>, <kexec@lists.infradead.org>", "Subject": "[PATCH v10 2/8] powerpc/crash: Fix possible memory leak in\n update_crash_elfcorehdr()", "Date": "Wed, 25 Mar 2026 10:58:58 +0800", "Message-ID": "<20260325025904.2811960-3-ruanjinjie@huawei.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260325025904.2811960-1-ruanjinjie@huawei.com>", "References": "<20260325025904.2811960-1-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": "kwepems100001.china.huawei.com (7.221.188.238) 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\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": [ "v10", "2/8" ] }