On Thu, Nov 14, 2024 at 11:05:36AM +0100, Amir Goldstein wrote: > ovl_setup_cred_for_create() decrements one refcount of new creds and > ovl_revert_creds() in callers decrements the last refcount. > > In preparation to revert_creds_light() back to caller creds, pass an > explicit reference of the creators creds to the callers and drop the > refcount explicitly in the callers after ovl_revert_creds(). > > Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx> > --- > > Miklos, Christian, > > I was chasing a suspect memleak in revert_creds_light() patches. > This fix is unrelated to memleak but I think it is needed for > correctness anyway. > > This applies in the middle of the series after adding the > ovl_revert_creds() helper. I'm going to try and reproduce the kmemleak with your ovl_creds branch as is and then retry with the series applied as is plus one small fix you correctly pointed out.