r0 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x4, 0x871, 0xffffffffffffffff, 0x0)
syz_io_uring_submit(r0, 0x0, 0xfffffffffffffffe, 0x0)
r1 = syz_open_procfs(0x0, &(0x7f0000000580)='smaps_rollup\x00')
pread64(r1, &(0x7f0000001780)=""/4102, 0x1006, 0x0)