From: Bill Wendling isanbard@gmail.com
When compiling with -Wformat, clang emits the following warnings:
arch/x86/kernel/cpu/mce/core.c:295:9: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security] panic(msg); ^~~
Use a string literal for the format string.
Link: https://github.com/ClangBuiltLinux/linux/issues/378 Signed-off-by: Bill Wendling isanbard@gmail.com --- arch/x86/kernel/cpu/mce/core.c | 2 +- scripts/Makefile.extrawarn | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 2c8ec5c71712..3d411b7c85ad 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -292,7 +292,7 @@ static noinstr void mce_panic(const char *msg, struct mce *final, char *exp) if (!fake_panic) { if (panic_timeout == 0) panic_timeout = mca_cfg.panic_timeout; - panic(msg); + panic("%s", msg); } else pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg);