Re: [PATCH 2/3] exec: kill "int depth" in search_binary_handler()

From: Kees Cook
Date: Sat Aug 03 2013 - 14:28:21 EST


On Thu, Aug 1, 2013 at 12:05 PM, Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
> Nobody except search_binary_handler() should touch ->recursion_depth,
> "int depth" buys nothing but complicates the code, kill it.

I'd like to see a comment added to binfmts.h's recursion_depth field
that reminds people that recursion_depth is for
search_binary_handler()'s use only, and a binfmt loader shouldn't
touch it. Besides that, yeah, sensible clean up.

-Kees

--
Kees Cook
Chrome OS Security
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