--- /dev/null
+--- poldek-0.32.2/vfile/vfff/ftp.c~ 2016-01-30 14:05:57.000000000 +0000
++++ poldek-0.32.2/vfile/vfff/ftp.c 2019-10-02 08:50:20.832444438 +0000
+@@ -654,6 +654,9 @@
+ tm.tm_year -= 1900;
+ tm.tm_mon -= 1;
+ ts = mktime(&tm);
++ /* We can't do much if time can't be represented */
++ if (ts < 0)
++ return 0;
+ }
+ return ts;
+ }