iopl(0x3)
r0 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x4, 0x871, 0xffffffffffffffff, 0x0)
syz_io_uring_submit(r0, 0x0, 0xfffffffffffffffe, 0x0)