Date: Fri, 27 Jul 2018 16:11:03 -0400 From: Steven Rostedt <rostedt@...dmis.org> To: "Theodore Y. Ts'o" <tytso@....edu> 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, 27 Jul 2018 15:54:16 -0400 "Theodore Y. Ts'o" <tytso@....edu> wrote: > More generally, stupid question, but does Android *really* need to > have debugfs mounted? And if so, can we figure out what facilities > that are needed and can we find some other way of meeting those > requirements? I do know that they have applications that use ftrace. But then again, the ftrace files are under its own tracefs file system (that just happens to be mounted when debugfs is). That said, I would assume that other Android utilities are using other debugfs files for system status and such. -- Steve
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