r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f012, r0, 0x0)
r1 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
setsockopt$WPAN_WANTACK(r1, 0x0, 0x2, &(0x7f0000000040), 0x4)