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([82.76.24.202]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42b53dea1c9sm38765632f8f.0.2025.11.19.07.45.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Nov 2025 07:45:37 -0800 (PST) From: Eugen Hristev To: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, andersson@kernel.org, pmladek@suse.com, rdunlap@infradead.org, corbet@lwn.net, david@redhat.com, mhocko@suse.com Cc: tudor.ambarus@linaro.org, mukesh.ojha@oss.qualcomm.com, linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, jonechou@google.com, rostedt@goodmis.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arch@vger.kernel.org, tony.luck@intel.com, kees@kernel.org, Eugen Hristev Subject: [PATCH 12/26] kernel/configs: Register dynamic information into meminspect Date: Wed, 19 Nov 2025 17:44:13 +0200 Message-ID: <20251119154427.1033475-13-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251119154427.1033475-1-eugen.hristev@linaro.org> References: <20251119154427.1033475-1-eugen.hristev@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Rspam-User: X-Rspamd-Queue-Id: 267DC40011 X-Stat-Signature: yewc9bo8y1i5nyfx6okw7d1314ghcktc X-HE-Tag: 1763567138-391999 X-HE-Meta: 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 48J//IFa XKQF+jd4okx8S7U21oGOlBUrN0OBcUnmXHfYrujBE9B/38c+Jod7+/6HxrwL/O8Lhm3IPKnj0GqlYLpg45F2CyGQSz4/MHNgivbZkkirykl9P2fHwS+vrmFokfEq3xZfumLnoIu1J+0Cd1IBd5K/FCHfSGWj6SA/ZOiCensue8Xcis/uqEtN/HQRuN0vIUeumvtwDMmvm/wfzteqkPF8cMomN++B7o1p6Pbq+LiiJe4Ut+PEAauDtDdsaInINMHTFQVzgbLmD49hMFJ9upi0u0cqM6r/5r8RT9CoHYf7vf5uHE/QE+H5nNNfjmnwvjNlJWHy7j7t2SJAohpRGhB8yMlO6yuJkbTRlnmpWfiMUgwrUHz5LOMyQz7v7RlP9QMeurYblYiLJpBc5XLf8EXa55cCfdapV1/ajzlp/faxABLQOw1syYCgxXMgEE1yaq6Li7ZanaOJp6hbFI4k= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Register kernel_config_data information into inspection table. Debugging tools look for the start and end markers, so we need to capture those as well into the region. Signed-off-by: Eugen Hristev --- kernel/configs.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/configs.c b/kernel/configs.c index a28c79c5f713..139ecc74bcee 100644 --- a/kernel/configs.c +++ b/kernel/configs.c @@ -15,6 +15,7 @@ #include #include #include +#include /* * "IKCFG_ST" and "IKCFG_ED" are used to extract the config data from @@ -64,6 +65,11 @@ static int __init ikconfig_init(void) proc_set_size(entry, &kernel_config_data_end - &kernel_config_data); + /* Register 8 bytes before and after, to catch the marker too */ + meminspect_lock_register_id_va(MEMINSPECT_ID_CONFIG, + (void *)&kernel_config_data - 8, + &kernel_config_data_end - &kernel_config_data + 16); + return 0; } -- 2.43.0