r0 = syz_io_uring_setup(0x1841, &(0x7f00000002c0), &(0x7f00000a0000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000200)=<r1=>0x0, &(0x7f0000000140)=<r2=>0x0)
syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_SYNC_FILE_RANGE={0x8, 0x0, 0x0, @fd_index}, 0x0)
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x11, &(0x7f00000000c0)=[{0x0}], 0x1)
io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)