r0 = syz_io_uring_setup(0x6765, &(0x7f0000000000), &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000000080), &(0x7f00000000c0))
io_uring_register$IORING_UNREGISTER_EVENTFD(r0, 0x5, 0x0, 0x0)