Date: Fri, 27 Jul 2018 16:21:14 -0400 From: "Theodore Y. Ts'o" <tytso@....edu> To: Steven Rostedt <rostedt@...dmis.org> Cc: Jann Horn <jannh@...gle.com>, salyzyn@...gle.com, Nick Desaulniers <ndesaulniers@...gle.com>, Golden_Miller83@...tonmail.ch, Greg KH <greg@...ah.com>, Kees Cook <keescook@...gle.com>, salyzyn@...roid.com, kernel list <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...hat.com>, kernel-team@...roid.com, stable@...r.kernel.org, Kernel Hardening <kernel-hardening@...ts.openwall.com>, Jeffrey Vander Stoep <jeffv@...gle.com> Subject: Re: [PATCH] tracing: do not leak kernel addresses On Fri, Jul 27, 2018 at 04:11:03PM -0400, Steven Rostedt wrote: > That said, I would assume that > other Android utilities are using other debugfs files for system > status and such. Yeah, I know we probably have lost the "debugfs is only for debugging and has no place in a production system" battle, and we should just move on and assume we need to completely harden all of debugfs. But it's worth at least *asking* whether or not the use of debugfs for Android can be avoided.... - Ted
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