On Wed, Jun 18, 2014 at 3:34 PM, Kees Cook <[email protected]> wrote: > 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 <[email protected]> > Cc: [email protected] # v3.15+
Acked-by: Alexei Starovoitov <[email protected]> I wonder how did you catch this? :) Just code inspection or seccomp actually generating such programs? Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
