From: "GONG, Ruiqi" <gongruiqi1@huawei.com>
To: Kees Cook <keescook@chromium.org>, Marco Elver <elver@google.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>,
Xiu Jianfeng <xiujianfeng@huawei.com>,
<kernel-hardening@lists.openwall.com>,
<linuxppc-dev@lists.ozlabs.org>, <linux-kernel@vger.kernel.org>,
Gong Ruiqi <gongruiqi1@huawei.com>
Subject: [PATCH v2] stack: Declare {randomize_,}kstack_offset to fix Sparse warnings
Date: Wed, 29 Jun 2022 14:04:23 +0800 [thread overview]
Message-ID: <20220629060423.2515693-1-gongruiqi1@huawei.com> (raw)
Fix the following Sparse warnings that got noticed when the PPC-dev
patchwork was checking another patch (see the link below):
init/main.c:862:1: warning: symbol 'randomize_kstack_offset' was not declared. Should it be static?
init/main.c:864:1: warning: symbol 'kstack_offset' was not declared. Should it be static?
Which in fact are triggered on all architectures that have
HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET support (for instances x86, arm64
etc).
Link: https://lore.kernel.org/lkml/e7b0d68b-914d-7283-827c-101988923929@huawei.com/T/#m49b2d4490121445ce4bf7653500aba59eefcb67f
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: GONG, Ruiqi <gongruiqi1@huawei.com>
---
v2: remove unnecessary #ifdef around the header
init/main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/init/main.c b/init/main.c
index e2490387db2b..eb9bf7c5b28b 100644
--- a/init/main.c
+++ b/init/main.c
@@ -99,6 +99,7 @@
#include <linux/kcsan.h>
#include <linux/init_syscalls.h>
#include <linux/stackdepot.h>
+#include <linux/randomize_kstack.h>
#include <net/net_namespace.h>
#include <asm/io.h>
--
2.25.1
next reply other threads:[~2022-06-29 6:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-29 6:04 GONG, Ruiqi [this message]
2022-06-29 7:35 ` [PATCH v2] stack: Declare {randomize_,}kstack_offset to fix Sparse warnings Christophe Leroy
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