Regression in backport MEMREAD ioctl ? [Was: Re: mt7622: belkin-rt3200: r22602-42eeb22450: Kernel panic: kernel stack overflow]

Michał Kępień openwrt at kempniu.pl
Fri Apr 28 23:52:07 PDT 2023


> > https://github.com/openwrt/openwrt/pull/12472
> 
> thanks a lot for your attempt, but unfortunately it didn't fixed the issue. 
> 
> I've tried to revert commit fa4dc86 ("kernel: backport MEMREAD ioctl") and
> that fixed the issue as Felix already hinted.

Just to close the loop here: a different fix has been prepared that
replaces recursion with iteration in the mtk_bmt driver:

    https://github.com/openwrt/openwrt/pull/12494

This revised fix appears to be working:

    https://github.com/openwrt/openwrt/pull/12472#issuecomment-1525636591

-- 
Best regards,
Michał Kępień




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