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Fri, 13 May 2022 13:22:08 -0700 (PDT) Date: Fri, 13 May 2022 13:21:41 -0700 In-Reply-To: <20220513202159.1550547-1-samitolvanen@google.com> Message-Id: <20220513202159.1550547-4-samitolvanen@google.com> Mime-Version: 1.0 References: <20220513202159.1550547-1-samitolvanen@google.com> X-Developer-Key: i=samitolvanen@google.com; a=openpgp; fpr=35CCFB63B283D6D3AEB783944CB5F6848BBC56EE X-Developer-Signature: v=1; a=openpgp-sha256; l=669; h=from:subject; bh=nqUrm2wetpzQHlcH5NE19NaoXqu5E22beF1fMMwNKYU=; b=owEB7QES/pANAwAKAUy19oSLvFbuAcsmYgBifr3iMv7g14dMbgfDCXDLb8bbUgmfd0gW8V9AeL1O zzXtTTuJAbMEAAEKAB0WIQQ1zPtjsoPW0663g5RMtfaEi7xW7gUCYn694gAKCRBMtfaEi7xW7iEdDA CI6z4FnJ7PlqvcN6HOYf/c+XXnT7MWbgCS2HoVv2P8QoFQ7TpgbvN9zIdJ2RqY6xEuuz3emRk6Ah6L m3BDCj8zH2JvuDhGU8CvazPYASgz94v/HBmS7NVikbjwkqCaqgwWglXdD2apJxu5anZhqnCpft8QPP bsIYUu1URvNbcxZKEGTmZ+CfaHo8s7SG6cXjrxevYWrVVsTwtujQ9JyLn0OoTcm/Fz7e+vQTkJ8h83 tVq2x9/I247t3sHmmcB9KPidgRSvcn1f9jJq0P1G7rSEDpVyZu2g0xj0mridXoViXt4rnsB3q1jmCE BVikAZnVI/yfasdkpS9g3uH/FygOBkKSfIT27/K+DLNc7XcLJJfDlhBepjYoQ2RwC0/vfOhr+7iq8Z S6gs/HjMHr5L+Y77qMjwRSwMNE2rdV+mTed4i9qBwlRWYaCWx3uwygO/JhgxJmegZ36M5eaQI+mxtd OYZMFi5iejcuHT5TOPjKY0v8Ia7ODn5SOlEwOFOqDPNMs= X-Mailer: git-send-email 2.36.0.550.gb090851708-goog Subject: [RFC PATCH v2 03/21] kallsyms: Ignore __kcfi_typeid_ From: Sami Tolvanen To: linux-kernel@vger.kernel.org Cc: Kees Cook , Josh Poimboeuf , Peter Zijlstra , x86@kernel.org, Catalin Marinas , Will Deacon , Mark Rutland , Nathan Chancellor , Nick Desaulniers , Joao Moreira , Sedat Dilek , Steven Rostedt , linux-hardening@vger.kernel.org, linux-arm-kernel@lists.infradead.org, llvm@lists.linux.dev, Sami Tolvanen X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220513_132213_343176_B0346BCA X-CRM114-Status: UNSURE ( 9.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The compiler generates CFI type identifier symbols for annotating assembly functions at link time. Ignore them in kallsyms. Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook --- scripts/kallsyms.c | 1 + 1 file changed, 1 insertion(+) diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 8caabddf817c..eebd02e4b832 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -118,6 +118,7 @@ static bool is_ignored_symbol(const char *name, char type) "__ThumbV7PILongThunk_", "__LA25Thunk_", /* mips lld */ "__microLA25Thunk_", + "__kcfi_typeid_", /* CFI type identifiers */ NULL };