r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmmsg$sock(r0, &(0x7f0000001dc0)=[{{&(0x7f0000000380)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, 0x80, &(0x7f00000004c0)=[{0x0}, {&(0x7f0000000440)="a1", 0x1}], 0x2}}, {{&(0x7f0000000580)=@pptp={0x18, 0x2, {0x2, @dev}}, 0x80, 0x0}}], 0x2, 0x0)