Every kerberos authentication against on a file server leak the memory of wbcAuthUserInfo...
This bug was referenced in samba master: 370b777202bbd9730209a3e18de102b4f163f18d
Created attachment 17740 [details] git-am fix for 4.18.next, 4.17.next, 4.16.next.
Pushed to autobuild-v4-{18,17,16}-test.
This bug was referenced in samba v4-17-test: 961eda75a0ce31c00ec933e38835af6ff8011084
This bug was referenced in samba v4-16-test: 44ec3e4f29208406ae6f73416b092d8754adfb0b
This bug was referenced in samba v4-17-stable (Release samba-4.17.5): 961eda75a0ce31c00ec933e38835af6ff8011084