APPLIED/CMT: [X/B/D/E/F] CVE-2020-11565

[Kelsey Skunberg]

On 2020-04-16 17:01:11 , Thadeu Lima de Souza Cascardo wrote:
> This was built and tested on Xenial 4.4 kernel.
> 
> [Impact]
> An invalid mpol option when mounting a tmpfs might cause a crash.
> 
> [Test case]
> mount -t tmpfs -o mpol=prefer:, none /mnt
> Printint out the options, usually by cat /proc/self/mountinfo, is needed
> to cause the crash.
> 
> [Regression potential]
> Will cause mounting to fail when it could cause a crash before. So,
> hardly worse.
> 
>

This was applied to all targets through upstream patch sets. Verified in
master-next for X/B/D/E/F.  Thank you! 

-Kelsey
 
> 
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