APPLIED[X/B/C/D]: [SRU][PATCH 0/1][X/B/C/D/E] Fix for CVE-2019-11833

[Kleber Souza]

On 6/4/19 8:08 AM, Khalid Elmously wrote:
> Information leaks can happen when the unused portion of the extent metablock is not cleared before re-use and then the extent metablock is sync'd to disk.
> 
> Clean cherry-pick for all arches. Boot-tested on bionic
> 
> 
> 
> Sriram Rajagopalan (1):
>   ext4: zero out the unused memory region in the extent tree block
> 
>  fs/ext4/extents.c | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
> 

Applied to {xenial,bionic,cosmic,disco]/master-next branches.

Thanks,
Kleber