expression: use expr_clone() from verdict_expr_clone()

Chains are now expressions, do not assume a constant value is used.

==26302== Process terminating with default action of signal 11 (SIGSEGV)
==26302==  Access not within mapped region at address 0x50
==26302==    at 0x67D7EE7: __gmpz_init_set (in /usr/lib/x86_64-linux-gnu/libgmp.so.10.3.2)
==26302==    by 0x4E61224: expr_clone (expression.c:65)
==26302==    by 0x4E7898B: interval_map_decompose (segtree.c:943)
==26302==    by 0x4E6DDA0: netlink_list_setelems (netlink.c:882)
==26302==    by 0x4E5A806: cache_init_objects (rule.c:166)
==26302==    by 0x4E5A806: cache_init (rule.c:216)
==26302==    by 0x4E5A806: cache_update (rule.c:266)
==26302==    by 0x4E7E0EE: nft_evaluate (libnftables.c:388)
==26302==    by 0x4E7E8AB: nft_run_cmd_from_buffer (libnftables.c:428)

Fixes: f1e8a129ee42 ("src: Introduce chain_expr in jump and goto statements")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

0 files changed, 0 insertions, 0 deletions