Date: Sun, 8 Apr 2018 10:39:24 +0400 From: Keun-O Park <kpark3469@...il.com> To: Kees Cook <keescook@...omium.org> Cc: Kernel Hardening <kernel-hardening@...ts.openwall.com>, James Morse <james.morse@....com>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, Mark Rutland <mark.rutland@....com>, keun-o.park@...kmatter.ae, Sodagudi Prasad <psodagud@...eaurora.org>, Josh Poimboeuf <jpoimboe@...hat.com>, Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 2/4] arm64: usercopy: implement arch_within_stack_frames Hi Kees, On Thu, Apr 5, 2018 at 2:55 AM, Kees Cook <keescook@...omium.org> wrote: > On Thu, Mar 1, 2018 at 2:19 AM, <kpark3469@...il.com> wrote: >> From: James Morse <james.morse@....com> >> >> This implements arch_within_stack_frames() for arm64 that should >> validate if a given object is contained by a kernel stack frame. >> >> Signed-off-by: James Morse <james.morse@....com> >> Reviewed-by: Sahara <keun-o.park@...kmatter.ae> > > Looks good to me. Does this end up passing the LKDTM > USERCOPY_STACK_FRAME_TO and USERCOPY_STACK_FRAME_FROM tests? Yes, this passes those two LKDTM tests. Thanks. BR Sahara
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