linux-hardening - [PATCH 4/4] module: Include .static_call_sites in module ro_after

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Date:   Wed,  1 Sep 2021 16:37:57 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Kees Cook <keescook@...omium.org>, Jessica Yu <jeyu@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Alexander Egorenkov <egorenar@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Ilya Leoshkevich <iii@...ux.ibm.com>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...nel.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-s390@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: [PATCH 4/4] module: Include .static_call_sites in module ro_after_init

The RO_AFTER_INIT_DATA macro and module_sections_ro_after_init[] need
to be kept in sync.

Cc: Jessica Yu <jeyu@...nel.org>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Peter Zijlstra (Intel) <peterz@...radead.org>
Fixes: 9183c3f9ed71 ("static_call: Add inline static call infrastructure")
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 kernel/module.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/module.c b/kernel/module.c
index b0ff82cc48fe..06410eb68dea 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3521,6 +3521,7 @@ core_param(module_blacklist, module_blacklist, charp, 0400);
 static const char * const module_sections_ro_after_init[] = {
 	".data..ro_after_init",
 	"__jump_table",
+	".static_call_sites",
 	NULL
 };
 
-- 
2.30.2