Re: [PATCH 0/5] Backport to 4.9- ext4: protect journal inode's blocks using block_validity

From: Greg KH
Date: Wed Apr 29 2020 - 08:59:15 EST


On Thu, Apr 30, 2020 at 12:51:34AM +0530, ashwin-h wrote:
> [PATCH 1/5] ext4: avoid declaring fs inconsistent due to invalid file
> handles
> This patch is backported as functionality in this commit is used by
> Patch 2 in this patchset.
>
> [PATCH 2/5] ext4: protect journal inode's blocks using block_validity
> Backport to 4.9
>
> [PATCH 3/5] ext4: don't perform block validity checks on the journal
> [PATCH 4/5] ext4: fix block validity checks for journal inodes using
> [PATCH 5/5] ext4: unsigned int compared against zero
> Fixes issues found in Patch 2 in this patchset.
>
> These patches addresses CVE-2019-19319

I can't take patches for 4.9 that are not also in 4.14, for the obvious
reason that you never want to upgrade to a newer kernel and get
regressions.

So can you provide a backported series for the 4.14 tree too? Then I
can take these.

thanks,

greg k-h