r0 = syz_io_uring_setup(0x3875, &(0x7f00000001c0), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000040), &(0x7f0000000100))
io_uring_register$IORING_UNREGISTER_FILES(r0, 0xb, 0x0, 0x0)