r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000001200), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001240)={0x78, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'unconfined_u:system_r:insmod_t:s0-s0:c0.c1023\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'gretap0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x78}}, 0x0)