From: "Tobin C. Harding" <me@tobin.cc>
To: Steven Rostedt <rostedt@goodmis.org>
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>
Subject: Re: [PATCH 1/3] kallsyms: don't leak address when symbol not found
Date: Tue, 19 Dec 2017 11:24:18 +1100 [thread overview]
Message-ID: <20171219002418.GF19604@eros> (raw)
In-Reply-To: <20171218184324.527ffd0e@gandalf.local.home>
On Mon, Dec 18, 2017 at 06:43:24PM -0500, Steven Rostedt wrote:
> 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" ?
Cool. I've not done that before it will be a good learning
experience. I'll hack it up and see what people think.
thanks,
Tobin.
next prev parent reply other threads:[~2017-12-19 0:24 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-17 23:53 [PATCH 0/3] kallsyms: don't leak address Tobin C. Harding
2017-12-17 23:53 ` [PATCH 1/3] kallsyms: don't leak address when symbol not found Tobin C. Harding
2017-12-18 9:55 ` Felix Fietkau
2017-12-18 22:41 ` Tobin C. Harding
2017-12-18 23:43 ` Steven Rostedt
2017-12-19 0:24 ` Tobin C. Harding [this message]
2017-12-17 23:53 ` [PATCH 2/3] vsprintf: print <no-symbol> if " Tobin C. Harding
2017-12-18 0:04 ` Joe Perches
2017-12-18 1:04 ` Tobin C. Harding
2017-12-17 23:53 ` [PATCH 3/3] trace: print address " Tobin C. Harding
2017-12-18 16:49 ` Steven Rostedt
2017-12-18 21:16 ` Tobin C. Harding
2017-12-18 23:51 ` Steven Rostedt
2017-12-19 0:22 ` Tobin C. Harding
2017-12-19 3:00 ` Tobin C. Harding
2017-12-19 3:02 ` Tobin C. Harding
2017-12-19 3:37 ` Steven Rostedt
2017-12-19 4:20 ` Tobin C. Harding
2017-12-18 22:35 ` Tobin C. Harding
2017-12-19 23:19 ` kbuild test robot
2017-12-19 23:39 ` kbuild test robot
2017-12-18 5:31 ` [kernel-hardening] [PATCH 0/3] kallsyms: don't leak address Michael Ellerman
2017-12-18 6:00 ` Tobin C. Harding
2017-12-18 9:17 ` Tobin C. Harding
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