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

[Menno Finlay-Smits]

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.

I'll check this at the next opportunity. 

Also, I'm comfortable with patching and compiling kernels if necessary.