r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
ioctl$int_in(r0, 0x5421, &(0x7f0000000280)=0x8)
r1 = syz_io_uring_setup(0x4d4f, &(0x7f00000002c0), &(0x7f00000a0000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000200)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0)
syz_io_uring_submit(r2, r3, &(0x7f0000000000)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd_index=0x3, 0x0, 0x0}, 0x0)
io_uring_enter(r1, 0x58ab, 0x0, 0x0, 0x0, 0x0)