r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
syz_open_procfs(0x0, &(0x7f0000000000)='net/ptype\x00')
pread64(0xffffffffffffffff, 0x0, 0x0, 0x0)
ioctl$TIOCL_SETVESABLANK(r0, 0x541c, &(0x7f0000000000))