[tip:core/urgent] objtool: Add fortify_panic as __noreturn function

[tip-bot for Kees Cook]

Commit-ID:  92b0a1416be587b87c8ff489b6a74fd929048ca7
Gitweb:     http://git.kernel.org/tip/92b0a1416be587b87c8ff489b6a74fd929048ca7
Author:     Kees Cook <keescook@xxxxxxxxxxxx>
AuthorDate: Thu, 15 Jun 2017 08:20:35 -0500
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Fri, 16 Jun 2017 10:50:59 +0200

objtool: Add fortify_panic as __noreturn function

CONFIG_FORTIFY_SOURCE=y implements fortify_panic() as a __noreturn function,
so objtool needs to know about it too.

Suggested-by: Daniel Micay <danielmicay@xxxxxxxxx>
Tested-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1497532835-32704-1-git-send-email-jpoimboe@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 tools/objtool/builtin-check.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
index 282a603..5f66697f 100644
--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -192,7 +192,8 @@ static int __dead_end_function(struct objtool_file *file, struct symbol *func,
 		"complete_and_exit",
 		"kvm_spurious_fault",
 		"__reiserfs_panic",
-		"lbug_with_loc"
+		"lbug_with_loc",
+		"fortify_panic",
 	};
 
 	if (func->bind == STB_WEAK)