Re: [PATCH 6.9 000/281] 6.9.6-rc1 review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Thu, Jun 20, 2024 at 05:21:09PM +0530, Naresh Kamboju wrote:
> On Wed, 19 Jun 2024 at 18:41, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >
> > This is the start of the stable review cycle for the 6.9.6 release.
> > There are 281 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Fri, 21 Jun 2024 12:55:11 +0000.
> > Anything received after that time might be too late.
> >
> > The whole patch series can be found in one patch at:
> >         https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.9.6-rc1.gz
> > or in the git tree and branch at:
> >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.9.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
> 
> There are two major issues on arm64 Juno-r2 on Linux stable-rc 6.9.6-rc1
> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> 
> 1)
> The LTP controllers cgroup_fj_stress test cases causing kernel crash
> on arm64 Juno-r2 with
> compat mode testing with stable-rc 6.9 kernel.
> 
> In the recent past I have reported this issues on Linux mainline.
> 
> LTP: fork13: kernel panic on rk3399-rock-pi-4 running mainline 6.10.rc3
>   - https://lore.kernel.org/all/CA+G9fYvKmr84WzTArmfaypKM9+=Aw0uXCtuUKHQKFCNMGJyOgQ@mail.gmail.com/
> 
> it goes like this,
>   Unable to handle kernel NULL pointer dereference at virtual address
>   ...
>   Insufficient stack space to handle exception!
>   end Kernel panic - not syncing: kernel stack overflow
> 
> 2)
> The LTP controllers cgroup_fj_stress test suite causing kernel oops on
> arm64 Juno-r2 (with the clang-night build toolchain).
>   Unable to handle kernel NULL pointer dereference at virtual address
> 0000000000000009
>   Internal error: Oops: 0000000096000044 [#1] PREEMPT SMP
>   pc : xprt_alloc_slot+0x54/0x1c8
>   lr : xprt_alloc_slot+0x30/0x1c8

And these are regressions?  Any chance to run 'git bisect'?

thanks,

greg k-h