[PATCH 0/4] Seccomp filter JIT support on ARM.

Nicolas Schichan nschichan at freebox.fr
Thu Apr 30 05:35:31 PDT 2015


On 04/29/2015 06:37 PM, Daniel Borkmann wrote:
> On 04/29/2015 03:37 PM, Nicolas Schichan wrote:
> ...
>> The fourth and final patch fixes a bug in the emit_udiv() function
>> when used to convert a BPF_ALU | BPF_DIV | BPF_K instruction in the
>> ARM BPF JIT code.
> 
> Shouldn't that fix go separately, so it can be included into 4.1
> resp. -stable?

Sure, shall I resend that separately from the v2 of the serie or is it fine in
its current form ?

> Would be good if you also Cc Mircea, who wrote the code. Was that
> caught by lib/test_bpf.c suite (if not, would be good to add a test
> case for it) ?

It was detected by an internal test suite we have here. I see that there are
some BPF_ALU | BPF_DIV | BPF_K instructions so it might also be caught by
lib/test_bpf.c as well.

Regards,

-- 
Nicolas Schichan
Freebox SAS



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