Re: [PATCH] net: filter: fix upper BPF instruction limit
From: David Miller
Date: Wed Jun 18 2014 - 20:05:29 EST
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Wed, 18 Jun 2014 15:34:57 -0700
> The original checks (via sk_chk_filter) for instruction count uses ">",
> not ">=", so changing this in sk_convert_filter has the potential to break
> existing seccomp filters that used exactly BPF_MAXINSNS many instructions.
>
> Fixes: bd4cf0ed331a ("net: filter: rework/optimize internal BPF interpreter's instruction set")
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Applied, thanks.
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