Re: [PATCH nft 0/6] ruleset tracing

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Patrick McHardy <kaber@xxxxxxxxx> wrote:
> The following patches contain the latest version of the ruleset tracing
> functionality.
> I consider this patchset complete. Testing and comments welcome.

Seems it doesn't work with inet table, I get segfault in expr_print
(EXPR_VALUE expr with expr->dtype == NULL).

Callchain that produces this expression is:

trace_gen_stmts -> payload_expr_expand -> payload_expr_alloc

desc argument to payload_expr_alloc is the inet one, which
has no template for types != 0, so tmpl->dtype that gets passed
to expr_alloc is NULL.

Works fine without inet table. Only "problem" I found is that
nft displays the ether addr reversed vs. what 'ip link' shows,
i.e. if ip link says 1:2:3:4:5:6 nft shows 6:5:4:3:2:1.

I'll do more tests tomorrow and will double check that its not
a kernel bug.

Thanks for working on this!
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