On Mon, Dec 20, 2021 at 10:36:56AM -0500, Theodore Ts'o wrote: > The following commits were cherry-picked from upstream to fix a crash > in ext4/054. There was a minor fix-up needed in the first patch, > although no other changes were needed for the 2nd and 3rd patches. > > Ext4/054 will cause older LTS kernels to crash, but unfortunately > these patches will need further back-porting to apply to 5.4, never > mind older LTS kernels. But at least here are the fixes for 5.10.... > > Zhang Yi (3): > ext4: prevent partial update of the extent blocks > ext4: check for out-of-order index extents in > ext4_valid_extent_entries() > ext4: check for inconsistent extents between index and leaf block > > fs/ext4/extents.c | 93 ++++++++++++++++++++++++++++++++--------------- > 1 file changed, 63 insertions(+), 30 deletions(-) > > -- > 2.31.0 > I also had to apply them to 5.15.y as you do not want people to upgrade and have a regression. thanks, greg k-h