#0  malloc_consolidate (av=av@entry=0x7f1417226760 <main_arena>) at malloc.c:4149
#1  0x00007f1416ee73ad in _int_free (av=0x7f1417226760 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:4057
#2  0x00007f141743c259 in gdbm_close () from /tmp/apport_sandbox_NjKu0I/usr/lib/x86_64-linux-gnu/libgdbm.so.3
#3  0x00007f14178621a4 in man_gdbm_close (wrap=0x7f1419910b50) at ../../../libdb/db_gdbm.c:240
  [Error: ../../../libdb/db_gdbm.c was not found in source tree]
#4  0x00007f1417c91f04 in update_db (manpath=manpath@entry=0x7f1419912ef0 "/usr/share/man", catpath=catpath@entry=0x7f1419911c70 "/var/cache/man") at ../../../src/check_mandirs.c:672
  [Error: ../../../src/check_mandirs.c was not found in source tree]
#5  0x00007f1417c9703a in update_db_wrapper (catpath=0x7f1419911c70 "/var/cache/man", manpath=0x7f1419912ef0 "/usr/share/man") at ../../../src/mandb.c:363
  [Error: ../../../src/mandb.c was not found in source tree]
#6  mandb (catpath=catpath@entry=0x7f1419911c70 "/var/cache/man", manpath=0x7f1419912ef0 "/usr/share/man") at ../../../src/mandb.c:509
  [Error: ../../../src/mandb.c was not found in source tree]
#7  0x00007f1417c973f8 in process_manpath (manpath=0x7f1419912ef0 "/usr/share/man", global_manpath=global_manpath@entry=1, tried_catdirs=tried_catdirs@entry=0x7f1419911d30) at ../../../src/mandb.c:571
  [Error: ../../../src/mandb.c was not found in source tree]
#8  0x00007f1417c90566 in main (argc=<optimized out>, argv=<optimized out>) at ../../../src/mandb.c:840
  [Error: ../../../src/mandb.c was not found in source tree]