random blktests block/024 failed on aarch64

[yizhanglinux]

Hi
I found this random failure on aarch64, report the issue to track it.

6.19.0-0.rc8.54.eln154.aarch64
================================ 7
block/024 (do I/O faster than a jiffy and check iostats times) [failed]
    runtime  4.202s  ...  4.941s
    --- tests/block/024.out	2026-02-09 03:16:39.305730781 +0000
    +++ /root/blktests/results/nodev/block/024.out.bad	2026-02-09 04:29:12.967322621 +0000
    @@ -6,5 +6,5 @@
     read 1 s
     write 1 s
     read 2 s
    -write 3 s
    +write 4 s
     Test complete

# dmesg
[ 3557.174496] null_blk: disk nullb0 created
[ 3557.174514] null_blk: module loaded
[ 3557.190656] run blktests block/024 at 2026-02-09 05:09:19
[ 3557.203495] null_blk: disk nullb1 created