sendmsg$BATADV_CMD_GET_BLA_BACKBONE(0xffffffffffffffff, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000017c0)='net/unix\x00')
preadv(r0, &(0x7f0000001c40)=[{&(0x7f0000001a00)=""/59, 0x3b}, {0x0}], 0x2, 0x10001, 0x0)