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GET /api/1.2/patches/2224255/?format=api
{ "id": 2224255, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2224255/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260417074505.16178-1-pengpeng@iscas.ac.cn/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260417074505.16178-1-pengpeng@iscas.ac.cn>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260417074505.16178-1-pengpeng@iscas.ac.cn/", "date": "2026-04-17T07:45:05", "name": "powerpc/powernv: allocate sensor group names to fit the OF node name", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "281ced1cac73c49092c7404413f33d2b7f04a78e", "submitter": { "id": 93000, "url": "http://patchwork.ozlabs.org/api/1.2/people/93000/?format=api", "name": "Pengpeng Hou", "email": "pengpeng@iscas.ac.cn" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260417074505.16178-1-pengpeng@iscas.ac.cn/mbox/", "series": [ { "id": 500257, "url": "http://patchwork.ozlabs.org/api/1.2/series/500257/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=500257", "date": "2026-04-17T07:45:05", "name": "powerpc/powernv: allocate sensor group names to fit the OF node name", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500257/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224255/comments/", "check": "success", "checks": "http://patchwork.ozlabs.org/api/patches/2224255/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-19821-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 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-19821-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=none smtp.remote-ip=159.226.251.25", "lists.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=iscas.ac.cn", "lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=iscas.ac.cn\n (client-ip=159.226.251.25; helo=cstnet.cn;\n 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b=befvmCc2hDGY+U9VWIfQpm3Yy/+RYuUbB2ZiKv/kp15eTo1w7w+Z9FeocAzqYHImL+pSMeK05hZJ7uM1h46fhuW56DYOIbY8/yxaIGwGQArgMx5aO3gKshe96ALDqlyrmW82njRleyWLFfM70H7xbQCWn9ElX8fNoX9GZMeTufUzUYaiyD4MRlXr6/y0thAWhOkYlrCkztIHxRm1xlpUKc/0tc4s/kxemd5lQZiwkAG3aCU85R5euEdNtfxiFZc/GSdCsZzgH6OWGcZbkt1RJIrLhkpXGQEAAPsnW1AN97YtN4HH7sKw+R4dSiz0i/SFmaSFdPjEX+TftVfe6oHH0A==", "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=iscas.ac.cn;\n spf=pass (client-ip=159.226.251.25; helo=cstnet.cn;\n envelope-from=pengpeng@iscas.ac.cn;\n receiver=lists.ozlabs.org) smtp.mailfrom=iscas.ac.cn", "From": "Pengpeng Hou <pengpeng@iscas.ac.cn>", "To": "Madhavan Srinivasan <maddy@linux.ibm.com>,\n\tMichael Ellerman <mpe@ellerman.id.au>", "Cc": "Nicholas Piggin <npiggin@gmail.com>,\n\t\"Christophe Leroy (CS GROUP)\" <chleroy@kernel.org>,\n\tKees Cook <kees@kernel.org>,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org,\n\tPengpeng Hou <pengpeng@iscas.ac.cn>,\n\tstable@vger.kernel.org", "Subject": "[PATCH] powerpc/powernv: allocate sensor group names to fit the OF\n node name", "Date": "Fri, 17 Apr 2026 15:45:05 +0800", "Message-ID": "<20260417074505.16178-1-pengpeng@iscas.ac.cn>", "X-Mailer": "git-send-email 2.50.1", "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", "X-CM-TRANSID": "zQCowABn9gkD5eFpnx3YDQ--.24269S2", "X-Coremail-Antispam": "1UD129KBjvJXoW7Kry5Ar1rZrW3WF1rWFWfKrg_yoW8CF45pF\n\tsYkFnI9a18ury8Ja98K34j9a1fKan5AFW2gr1UJ3sayFsxZr9FvF40yF1YyrZrJr4rGw1j\n\tgF43Xw13CFnxGFUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2\n\t9KBjDU0xBIdaVrnRJUUUkE14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0\n\trVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02\n\t1l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U\n\tJVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc\n\tCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E\n\t2Ix0cI8IcVAFwI0_Jw0_WrylYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJV\n\tW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc7CjxVAaw2AFwI0_\n\tJw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67\n\tAKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIY\n\trxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14\n\tv26F4j6r4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_\n\tCr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUDOz\n\t3UUUUU=", "X-Originating-IP": "[111.196.245.116]", "X-CM-SenderInfo": "pshqw1xhqjqxpvfd2hldfou0/", "X-Spam-Status": "No, score=-0.0 required=3.0 tests=RCVD_IN_DNSWL_NONE,\n\tSPF_HELO_PASS,SPF_PASS autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "opal_sensor_groups_init() stores each sensor-group name in a fixed\nchar[20] field and formats it with \"%pOFn\" or \"%pOFn%d\".\n\nThe node name comes from firmware and is not bounded to fit in 20 bytes,\nso formatting the fully qualified group name can write past the end of\nthe embedded buffer.\n\nAllocate the group name string to fit the formatted result instead of\nstoring it in a fixed-size array.\n\nFixes: bf9571550f52 (\"powerpc/powernv: Add support to clear sensor groups data\")\nCc: stable@vger.kernel.org\n\nSigned-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>\n---\n arch/powerpc/platforms/powernv/opal-sensor-groups.c | 10 +++++++---\n 1 file changed, 7 insertions(+), 3 deletions(-)", "diff": "diff --git a/arch/powerpc/platforms/powernv/opal-sensor-groups.c b/arch/powerpc/platforms/powernv/opal-sensor-groups.c\nindex 87fd6d7769e9..f940c223f1b5 100644\n--- a/arch/powerpc/platforms/powernv/opal-sensor-groups.c\n+++ b/arch/powerpc/platforms/powernv/opal-sensor-groups.c\n@@ -23,7 +23,7 @@ struct sg_attr {\n };\n \n static struct sensor_group {\n-\tchar name[20];\n+\tchar *name;\n \tstruct attribute_group sg;\n \tstruct sg_attr *sgattrs;\n } *sgs;\n@@ -207,9 +207,12 @@ void __init opal_sensor_groups_init(void)\n \t\t}\n \n \t\tif (!of_property_read_u32(node, \"ibm,chip-id\", &chipid))\n-\t\t\tsprintf(sgs[i].name, \"%pOFn%d\", node, chipid);\n+\t\t\tsgs[i].name = kasprintf(GFP_KERNEL, \"%pOFn%d\",\n+\t\t\t\t\t\tnode, chipid);\n \t\telse\n-\t\t\tsprintf(sgs[i].name, \"%pOFn\", node);\n+\t\t\tsgs[i].name = kasprintf(GFP_KERNEL, \"%pOFn\", node);\n+\t\tif (!sgs[i].name)\n+\t\t\tgoto out_sgs_sgattrs;\n \n \t\tsgs[i].sg.name = sgs[i].name;\n \t\tif (add_attr_group(ops, len, &sgs[i], sgid)) {\n@@ -225,6 +228,7 @@ void __init opal_sensor_groups_init(void)\n \n out_sgs_sgattrs:\n \twhile (--i >= 0) {\n+\t\tkfree(sgs[i].name);\n \t\tkfree(sgs[i].sgattrs);\n \t\tkfree(sgs[i].sg.attrs);\n \t}\n", "prefixes": [] }