On Fri, Jul 1, 2022 at 10:11 AM Paul Moore <paul@xxxxxxxxxxxxxx> wrote: > > If an old readdir cache entry is found during lookup we need to > ensure that we drop a reference to the old cache entry before > we remove it from the cache. > > Signed-off-by: Paul Moore <paul@xxxxxxxxxxxxxx> > --- > fs/overlayfs/readdir.c | 21 +++++++++++---------- > 1 file changed, 11 insertions(+), 10 deletions(-) I ran across this a few months ago while working on something related in overlayfs' readdir cache, unfortunately that work has been shelved for now, but it seems like this bugfix might still have merit, although I'll leave that decision up to the overlayfs experts; it's very possible I've missed an important detail and this isn't actually a bug. I've done some basic manual testing (kernel boots, mounting/traversal/accesses are all okay), but nothing exhaustive. -- paul-moore.com
