On Wed, 21 Aug 2024 22:03:18 +0800, Guoqing Jiang wrote: > If no enough buffer space available, but idmap_lookup have triggered > lookup_fn which calls cache_get and returns successfully. Then we > missed to call cache_put here which pairs with cache_get. > > I've adjusted some aspects of the patch and added a Fixes: tag. Applied to nfsd-next for v6.12, thanks! [1/1] nfsd: call cache_put if xdr_reserve_space returns NULL commit: ada7d1ab3aa1266b24d08aa4b3df93360a203924 -- Chuck Lever