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GET /api/1.2/patches/2232782/?format=api
{ "id": 2232782, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2232782/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260505-module-hashes-v5-10-e174a5a49fce@weissschuh.net/", "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": "<20260505-module-hashes-v5-10-e174a5a49fce@weissschuh.net>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260505-module-hashes-v5-10-e174a5a49fce@weissschuh.net/", "date": "2026-05-05T09:05:14", "name": "[v5,10/14] module: Prepare for additional module authentication mechanisms", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "5b77d760959681aeedacd523bee8a466d2fc9d62", "submitter": { "id": 82751, "url": "http://patchwork.ozlabs.org/api/1.2/people/82751/?format=api", "name": "Thomas Weißschuh", "email": "linux@weissschuh.net" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260505-module-hashes-v5-10-e174a5a49fce@weissschuh.net/mbox/", "series": [ { "id": 502791, "url": "http://patchwork.ozlabs.org/api/1.2/series/502791/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=502791", "date": "2026-05-05T09:05:17", "name": "module: Introduce hash-based integrity checking", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/502791/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2232782/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2232782/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-20467-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=weissschuh.net header.i=@weissschuh.net\n header.a=rsa-sha256 header.s=mail header.b=uSjcE3/7;\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; 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a=rsa-sha256; c=relaxed/simple; d=weissschuh.net;\n\ts=mail; t=1777971923;\n\tbh=chCyrFKTgdh3bqAx/mQ6lIysEIJoVqpFJGF/rlIkqi4=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=uSjcE3/7RPzqVxYeknvP09UES2PQcOS9VkYVVqueNpzecmFvo1an3XpkguzW1D0Bg\n\t nFEHj3iswoLhusE/F96Ei5XojOmHw/x30HPACKMdW35EThCzDfqEd2VucH5aOjSyPt\n\t ZadmbkICr/8be6TA7uVP9y8q16Xm891dDk9OoxpA=", "From": "=?utf-8?q?Thomas_Wei=C3=9Fschuh?= <linux@weissschuh.net>", "Date": "Tue, 05 May 2026 11:05:14 +0200", "Subject": "[PATCH v5 10/14] module: Prepare for additional module\n authentication mechanisms", "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-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "8bit", "Message-Id": "<20260505-module-hashes-v5-10-e174a5a49fce@weissschuh.net>", "References": "<20260505-module-hashes-v5-0-e174a5a49fce@weissschuh.net>", "In-Reply-To": "<20260505-module-hashes-v5-0-e174a5a49fce@weissschuh.net>", "To": "Alexei Starovoitov <ast@kernel.org>,\n Daniel Borkmann <daniel@iogearbox.net>, Andrii Nakryiko <andrii@kernel.org>,\n Eduard Zingerman <eddyz87@gmail.com>,\n Kumar Kartikeya Dwivedi <memxor@gmail.com>,\n Nathan Chancellor <nathan@kernel.org>, Nicolas Schier <nsc@kernel.org>,\n Arnd Bergmann <arnd@arndb.de>, Luis Chamberlain <mcgrof@kernel.org>,\n Petr Pavlu <petr.pavlu@suse.com>, Sami Tolvanen <samitolvanen@google.com>,\n Daniel Gomez <da.gomez@samsung.com>, Paul Moore <paul@paul-moore.com>,\n James Morris <jmorris@namei.org>, \"Serge E. Hallyn\" <serge@hallyn.com>,\n Jonathan Corbet <corbet@lwn.net>, Madhavan Srinivasan <maddy@linux.ibm.com>,\n Michael Ellerman <mpe@ellerman.id.au>, Nicholas Piggin <npiggin@gmail.com>,\n Naveen N Rao <naveen@kernel.org>, Mimi Zohar <zohar@linux.ibm.com>,\n Roberto Sassu <roberto.sassu@huawei.com>,\n Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,\n Eric Snowberg <eric.snowberg@oracle.com>,\n Nicolas Schier <nicolas.schier@linux.dev>,\n Daniel Gomez <da.gomez@kernel.org>, Aaron Tomlin <atomlin@atomlin.com>,\n \"Christophe Leroy (CS GROUP)\" <chleroy@kernel.org>,\n Nicolas Bouchinet <nicolas.bouchinet@oss.cyber.gouv.fr>,\n Xiu Jianfeng <xiujianfeng@huawei.com>,\n Christophe Leroy <chleroy@kernel.org>", "Cc": "Martin KaFai Lau <martin.lau@linux.dev>, Song Liu <song@kernel.org>,\n Yonghong Song <yonghong.song@linux.dev>, Jiri Olsa <jolsa@kernel.org>,\n bpf@vger.kernel.org,\n =?utf-8?q?Fabian_Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>,\n Arnout Engelen <arnout@bzzt.net>, Mattia Rizzolo <mattia@mapreri.org>,\n kpcyrd <kpcyrd@archlinux.org>, Christian Heusel <christian@heusel.eu>,\n\t=?utf-8?q?C=C3=A2ju_Mihai-Drosi?= <mcaju95@gmail.com>,\n Eric Biggers <ebiggers@kernel.org>,\n Sebastian Andrzej Siewior <bigeasy@linutronix.de>,\n linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,\n linux-arch@vger.kernel.org, linux-modules@vger.kernel.org,\n linux-security-module@vger.kernel.org, linux-doc@vger.kernel.org,\n linuxppc-dev@lists.ozlabs.org, linux-integrity@vger.kernel.org,\n debian-kernel@lists.debian.org,\n =?utf-8?q?Thomas_Wei=C3=9Fschuh?= <linux@weissschuh.net>", "X-Mailer": "b4 0.15.2", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1777971921; l=2563;\n i=linux@weissschuh.net; s=20221212; h=from:subject:message-id;\n bh=chCyrFKTgdh3bqAx/mQ6lIysEIJoVqpFJGF/rlIkqi4=;\n b=AghgISpSvC9jFLJMASwIQ2fl2y7giwEV7IIPQJiNe92PMZ8lKZf0qC99jV/SdHmNA1NchS945\n I53O1yr0Ve6Cw+2TVu7rpkv9iMeNkP/+D4AMPAnvVv3dujuIZnIrT4f", "X-Developer-Key": "i=linux@weissschuh.net; a=ed25519;\n pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw=", "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": "Reorganize the code to make it easier to add the new hash-based module\nauthentication.\n\nAlso drop the now unnecessary stub for module_sig_check().\n\nSigned-off-by: Thomas Weißschuh <linux@weissschuh.net>\n---\n kernel/module/auth.c | 17 ++++++++++++++---\n kernel/module/internal.h | 8 --------\n 2 files changed, 14 insertions(+), 11 deletions(-)", "diff": "diff --git a/kernel/module/auth.c b/kernel/module/auth.c\nindex 21e49eb4967c..2ee512d26790 100644\n--- a/kernel/module/auth.c\n+++ b/kernel/module/auth.c\n@@ -37,6 +37,14 @@ void set_module_sig_enforced(void)\n \tsig_enforce = true;\n }\n \n+static __always_inline bool mod_sig_type_valid(enum module_signature_type id_type)\n+{\n+\tif (id_type == MODULE_SIGNATURE_TYPE_PKCS7 && IS_ENABLED(CONFIG_MODULE_SIG))\n+\t\treturn true;\n+\n+\treturn false;\n+}\n+\n static int mod_verify_sig(const void *mod, struct load_info *info)\n {\n \tstruct module_signature ms;\n@@ -48,8 +56,8 @@ static int mod_verify_sig(const void *mod, struct load_info *info)\n \n \tmemcpy(&ms, mod + (modlen - sizeof(ms)), sizeof(ms));\n \n-\tif (ms.id_type != MODULE_SIGNATURE_TYPE_PKCS7) {\n-\t\tpr_err(\"module: not signed with expected PKCS#7 message\\n\");\n+\tif (!mod_sig_type_valid(ms.id_type)) {\n+\t\tpr_err(\"module: not signed with expected signature\\n\");\n \t\treturn -ENOPKG;\n \t}\n \n@@ -61,7 +69,10 @@ static int mod_verify_sig(const void *mod, struct load_info *info)\n \tmodlen -= sig_len + sizeof(ms);\n \tinfo->len = modlen;\n \n-\treturn module_sig_check(mod, modlen, mod + modlen, sig_len);\n+\tif (ms.id_type == MODULE_SIGNATURE_TYPE_PKCS7 && IS_ENABLED(CONFIG_MODULE_SIG))\n+\t\treturn module_sig_check(mod, modlen, mod + modlen, sig_len);\n+\n+\treturn 0;\n }\n \n int module_auth_check(struct load_info *info, int flags)\ndiff --git a/kernel/module/internal.h b/kernel/module/internal.h\nindex d923e31a5d8e..aabe7f8e1af4 100644\n--- a/kernel/module/internal.h\n+++ b/kernel/module/internal.h\n@@ -335,15 +335,7 @@ int module_enforce_rwx_sections(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,\n void module_mark_ro_after_init(const Elf_Ehdr *hdr, Elf_Shdr *sechdrs,\n \t\t\t const char *secstrings);\n \n-#ifdef CONFIG_MODULE_SIG\n int module_sig_check(const void *mod, size_t mod_len, const void *sig, size_t sig_len);\n-#else /* !CONFIG_MODULE_SIG */\n-static inline int module_sig_check(const void *mod, size_t mod_len,\n-\t\t\t\t const void *sig, size_t sig_len)\n-{\n-\treturn 0;\n-}\n-#endif /* !CONFIG_MODULE_SIG */\n \n #ifdef CONFIG_MODULE_AUTH\n int module_auth_check(struct load_info *info, int flags);\n", "prefixes": [ "v5", "10/14" ] }