ad_pack() in vfs_fruit.c returns false on failure and 0 on success - i.e. return value is interpreted as success even when it fails.
Created attachment 11481 [details] Patch for 4.2 and 4.3 cherry-picked from master
Re-assigning to Karolin for inclusion in 4.3.next, 4.2.next.
(In reply to Jeremy Allison from comment #2) Pushed to autobuild-v4-[2|3]-test.
(In reply to Karolin Seeger from comment #3) Pushed to both branches. Closing out bug report. Thanks!