double free issue, mvpp2 driver, armada375 modules

double free issue, mvpp2 driver, armada375 modules

[Thomas Petazzoni]

Hello,

On Mon, 2 May 2016 11:46:46 +0200, Raphael G wrote:

> enclosed the kernel panic we obtain after boot with a slightly patched 
> upstream kernel (4.5.2).
> 
> (as well as the patchset applied to the upstream kernel, so that you can 
> know which code we are talking about. Too bad we cannot use the upstream 
> kernel but we had no choice about this + we're no experts so we rely on 
> provided patches, adapted to our bootloader and hardware for this)
> 
> Reproduce:
> boot on kernel on an armada375 module, connect to it, launch a top in 
> commandline
> 
> As seen with Marcin Wojtas, reverting commit 
> e864b4c7b184bde36fa6a02bb3190983d2f796f9 fixes this issue.
> 
> Reporting upstream so that you can decide what should be done next

Thanks for your report. I have finally submitted a fix for this issue.
You can find it at:

  http://lists.infradead.org/pipermail/linux-arm-kernel/2016-December/473989.html

If you have the time to test it and report back, it would be very
useful.

Thanks a lot!

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com