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