From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH 1/3] kallsyms: don't leak address when symbol not found
Date: Mon, 18 Dec 2017 18:43:24 -0500
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Cc: Felix Fietkau <nbd@nbd.name>, kernel-hardening@lists.openwall.com,
        Tycho Andersen <tycho@tycho.ws>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Kees Cook <keescook@chromium.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Alexei Starovoitov <ast@kernel.org>,
        linux-kernel@vger.kernel.org,
        Network Development <netdev@vger.kernel.org>
To: "Tobin C. Harding" <me@tobin.cc>
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On Tue, 19 Dec 2017 09:41:29 +1100
"Tobin C. Harding" <me@tobin.cc> wrote:

> Current suggestion on list is to remove this function. Do you have a use
> case in mind where debugging will break? We could add a fix to this
> series if so. Otherwise next version will likely drop
> string_is_no_symbol()

What about adding a kernel command line parameter that lets one put
back the old behavior.

"insecure_print_all_symbols" ?

-- Steve