On Thu, Sep 01, 2022 at 06:55:31PM +0530, Chandan Babu R wrote: > Hi Dave, > > 7684e2c4384d5d1f884b01ab8bff2369e4db0bff > (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7684e2c4384d5d1f884b01ab8bff2369e4db0bff) > is one of the commits that needs to be backported to 5.4.y stable kernel. > > The commit message mentions that we could have written extents beyond EOF. I > am unable to come up with a sequence of commands that could create such > extents. > > Can you please explain how a user could create a file having written extents > beyond EOF? That bug fix was committed in v5.5. We didn't convert delalloc to use unwritten extents until v5.8 via commit a5949d3faedf. -Dave. -- Dave Chinner david@xxxxxxxxxxxxx
