Re: KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] - RIP: 0010:amdgpu_bo_get_memory+0x80/0x360 [amdgpu]

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On Mon, May 8, 2023 at 3:40 PM Mikhail Gavrilov
<mikhail.v.gavrilov@xxxxxxxxx> wrote:
>
> No one can reproduce this?
> I prepared a video instruction which can helps:
> https://youtu.be/0ipQnMpZG1Y
>
> 1. Run script which would calculate watchers:
> $ for i in {1..99999}; do sudo curl -s
> https://raw.githubusercontent.com/fatso83/dotfiles/master/utils/scripts/inotify-consumers
> | bash; done
>
> 2. Run the game "Devision 2"
>
> 3. Run 20 windows of Google Chrome with such script
> $ for i in {1..20}; do google-chrome-unstable
> --profile-directory="Test-2" --new-window --start-maximized
> "youtube.com" &; done
>
> I hope after it you see the desired backtrace.
>

I found another way to reproduce the problem.

Demonstration: https://youtu.be/6cvs4cCMo4M

1. Run the game "Devision 2"
2. Run 20 windows of Google Chrome with such script $ for i in
{1..20}; do google-chrome-unstable --profile-directory="Test-2"
--new-window --start-maximized "youtube.com" &; done
3. Run "nvtop" and got kernel bug.

After it "nvtop" stop working until reboot.

Can anyone confirm it, please?

-- 
Best Regards,
Mike Gavrilov.




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