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

[Petr Štetiar]

Michał Kępień <openwrt at kempniu.pl> [2023-04-24 10:27:48]:

Hi Michał,

> > > Since the panic message includes mentions of a stack overflow, another
> > > idea would be to backport this upstream patch as well:
> > > 
> > >      https://lore.kernel.org/linux-mtd/20230417205654.1982368-1-arnd@kernel.org/
> > > 
> > > This patch has been reviewed, but it has not yet been merged anywhere.
> > 
> > Please send a patch to the openwrt mailing list or create a pull request on
> > github.
> 
> 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.

Cheers,

Petr