Fix several issues especially with format strings detected by GCC 9. Patchset will follow.
Created attachment 15133 [details] patch for 4.9
Created attachment 15134 [details] patch for 4.10
Re-assigning to Karolin for inclusion in 4.10.next, 4.9.next.
(In reply to Jeremy Allison from comment #3) Pushed to autobuild-v4-{10,9}-test.
(In reply to Karolin Seeger from comment #4) Pushed to both branches. Closing out bug report. Thanks!