Bug#977245: openssh-server: Kernel error after big rsync or scp

Control: reassign -1 linux

On Sat, Dec 12, 2020 at 09:53:23PM -0500, Gabe wrote:
> After attempting to scp or rsync a directory with many large-ish files
> (20-600M) to a remote host, the remote machine will crash. This hasn't happened
> with smaller file transfers; only when the directory contains gigabytes of
> data, after about 3GB have been copied. I tried once to scp a similar ammount
> of data from a different client to the same machine, with the same result. The
> commands used were:
> 
> 	scp -r ./localdirectory jgmanilla@remotehost:~/
> 	rsync -avP ./localdirectory jgmanilla@remotehost:~/
> 
> If you happened to be logged into an ssh session, you may get the following
> message before the system goes down:
> 
> 	Message from syslogd@localhost at Dec 12 16:22:24 ...
> 	 kernel:[  406.101940] Internal error: Oops: 96000004 [#1] SMP
> 
> 	Message from syslogd@localhost at Dec 12 16:22:24 ...
> 	 kernel:[  406.130105] Code: b9402a62 f9405e63 8b020014 dac00e81 (f8626814) 
> 
> Expected outcome was for scp and rsync to complete their file transfers
> with no errors.
> 
> The hardware of the remote machine was a RockPro64.
> The client operating systems tested were Gentoo and Arch linux.

In general kernel oopses are kernel bugs, not userspace bugs, so
reassigning to linux.  I expect that the full contents of the oops
message from syslog would be helpful to the kernel maintainers.