r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
io_setup(0x69b1, &(0x7f0000000040)=<r1=>0x0)
kcmp$KCMP_EPOLL_TFD(0x0, 0xffffffffffffffff, 0x7, 0xffffffffffffffff, 0x0)
io_submit(r1, 0x1, &(0x7f0000000080)=[&(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f00000000c0)='r', 0x1}])
ioctl$TIOCVHANGUP(r0, 0x5437, 0x0)