Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM)

Menno Finlay-Smits inbox at menno.io
Fri Mar 9 01:53:07 PST 2018



On Thu, 8 Mar 2018, at 11:27, Andrew Lunn wrote:
> On Thu, Mar 08, 2018 at 09:49:29AM +1300, Menno Finlay-Smits wrote:
> > On Thu, 8 Mar 2018, at 02:36, Andrew Lunn wrote:
> > > > What else can I try?
> > > 
> > > Do you have transparent huge pages enabled?
> > > 
> > > ~$ cat /sys/kernel/mm/transparent_hugepage/enabled 
> > > [always] madvise never
> > > 
> > > If so, could you disable it with:
> > > 
> > > echo never > /sys/kernel/mm/transparent_hugepage/enabled
> > > 
> > > and run your rsync command.
> 
> Hi Menno
> 
> Could you also try linux-image-4.14.0-3-marvell from sid?

Can do. Should I just use the kernel packages from sid or update the whole system to sid?




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