linux-kernel - [tip:core/urgent] objtool: Add fortify_panic as _

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Date:   Fri, 16 Jun 2017 01:56:03 -0700
From:   tip-bot for Kees Cook <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, sfr@...b.auug.org.au, hpa@...or.com,
        danielmicay@...il.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, jpoimboe@...hat.com,
        peterz@...radead.org, tglx@...utronix.de,
        torvalds@...ux-foundation.org
Subject: [tip:core/urgent] objtool: Add fortify_panic as __noreturn function

Commit-ID:  92b0a1416be587b87c8ff489b6a74fd929048ca7
Gitweb:     http://git.kernel.org/tip/92b0a1416be587b87c8ff489b6a74fd929048ca7
Author:     Kees Cook <keescook@...omium.org>
AuthorDate: Thu, 15 Jun 2017 08:20:35 -0500
Committer:  Ingo Molnar <mingo@...nel.org>
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@...il.com>
Tested-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Kees Cook <keescook@...omium.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1497532835-32704-1-git-send-email-jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 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)