linux-kernel - Re: [PATCH v2] fortify: Use WARN instead of BUG for now

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Message-ID: <20170726195543.hxyb5h4smx5rskzg@treble>
Date:   Wed, 26 Jul 2017 14:55:43 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Daniel Micay <danielmicay@...il.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        David Howells <dhowells@...hat.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] fortify: Use WARN instead of BUG for now

On Wed, Jul 26, 2017 at 11:52:19AM -0700, Kees Cook wrote:
> --- a/tools/objtool/check.c
> +++ b/tools/objtool/check.c
> @@ -156,7 +156,7 @@ static int __dead_end_function(struct objtool_file *file, struct symbol *func,
>  		"kvm_spurious_fault",
>  		"__reiserfs_panic",
>  		"lbug_with_loc",
> -		"fortify_panic",
> +		"fortify_overflow",
>  	};

If the function is no longer '__noreturn' then this entry needs to be
removed from the global_noreturns list.

-- 
Josh