mmap(&(0x7f0000000000/0x11000)=nil, 0x11000, 0x0, 0x44032, 0xffffffffffffffff, 0x0)
r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TCSETA(r0, 0x5406, 0x0)