r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
sendmmsg$sock(r0, &(0x7f0000005cc0)=[{{0x0, 0x0, &(0x7f0000003f00)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9, &(0x7f0000003fc0)=[@mark={{0x14}}], 0x18}}], 0x1, 0x0)