From: Martin KaFai Lau <ka...@fb.com> Date: Wed, 28 Jun 2017 10:41:24 -0700
> The index is off-by-one when fp->aux->stack_depth > has already been rounded up to 32. In particular, > if stack_depth is 512, the index will be 16. > > The fix is to round_up and then takes -1 instead of round_down. ... > Fixes: b870aa901f4b ("bpf: use different interpreter depending on required > stack size") > Signed-off-by: Martin KaFai Lau <ka...@fb.com> > Acked-by: Alexei Starovoitov <a...@fb.com> > Acked-by: Daniel Borkmann <dan...@iogearbox.net> Applied, thanks Martin.