Bug#887873: linux-image-4.9.0-5-marvell: frequent "usercopy: kernel memory overwrite attempt detected" on QNAP NAS (ARM)
Andrew Lunn
andrew at lunn.ch
Wed Mar 7 05:36:11 PST 2018
> 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.
Thanks
Andrew
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