Hi .
The crash has been fixed through backport some patches.of vfio module.

Thanks a lot.


At 2023-09-06 07:25:18, "Stephen Hemminger" <stephen@networkplumber.org> wrote:
>On Thu, 24 Aug 2023 09:06:44 +0800 (CST)
>jinag  <15720603159@163.com> wrote:
>
>> This is definitely a bug in the kernel, I am looking to see if there's a bugfix patch in the kernel community.  but maybe the app passed an incorrect parameter that caused kernel crash?
>> The kernel version is 4.18.0-147.5.1.9, it is based on upstream linux at version 4.18.0
>
>Is this RHEL?
>4.18 was end of life in November 2018.