Re: kern/55026: crash in mount(2) when mounting dk(4)

[Shoichi YAMAGUCHI <s-yamaguchi%iij.ad.jp@localhost>]

>   The patch looks correct. I'm curious under what conditions you
>   triggered that race condition. Any details?

I had ran a lot(10~15) of my program to manipulate a file when the
race condition appeared.The program do the program do mount(),
open(), close() and unmount() each time.

Perhaps,the condition may depends on a environment because
it was appeared on ESXi 6.7, but not appeared on qemu on Fedora 30.

>   
>   --
>   --
>                                   Michael van Elst
>   Internet: mlelstv%serpens.de@localhost
>                                   "A potential Snark may lurk in every tree."
>   

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Internet Initiative Japan Inc.

Device Engineering Section,
Product Development Department,
Product Division

Shoichi Yamaguchi <s-yamaguchi%iij.ad.jp@localhost>