diff -Nru lmdb-0.9.22/debian/changelog lmdb-0.9.22/debian/changelog
--- lmdb-0.9.22/debian/changelog	2018-07-16 18:14:38.000000000 +0000
+++ lmdb-0.9.22/debian/changelog	2019-02-28 15:52:40.000000000 +0000
@@ -1,3 +1,11 @@
+lmdb (0.9.22-1ubuntu0.1) cosmic-proposed; urgency=medium
+
+  * Add ubuntu_01_remove_loose_pg_from_dirty_list_in_freelist_save.diff
+  * Fixes common crash in Baloo file indexer
+  * SRU LP: #1812122
+
+ -- Jonathan Riddell <jr@jriddell.org>  Thu, 28 Feb 2019 15:52:40 +0000
+
 lmdb (0.9.22-1) unstable; urgency=medium
 
   * New upstream version 0.9.22 (Closes: #855688)
diff -Nru lmdb-0.9.22/debian/control lmdb-0.9.22/debian/control
--- lmdb-0.9.22/debian/control	2018-07-16 18:14:38.000000000 +0000
+++ lmdb-0.9.22/debian/control	2019-02-28 15:52:40.000000000 +0000
@@ -1,7 +1,8 @@
 Source: lmdb
 Section: database
 Priority: optional
-Maintainer: LMDB <lmdb@packages.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: LMDB <lmdb@packages.debian.org>
 Uploaders: Ondřej Surý <ondrej@debian.org>
 Build-Depends: debhelper (>= 9),
                doxygen
diff -Nru lmdb-0.9.22/debian/patches/series lmdb-0.9.22/debian/patches/series
--- lmdb-0.9.22/debian/patches/series	2018-07-16 18:14:38.000000000 +0000
+++ lmdb-0.9.22/debian/patches/series	2019-02-28 15:52:25.000000000 +0000
@@ -1,2 +1,3 @@
 0001-Debian-quirks-to-make-shared-library-versioned.patch
 0002-Make-the-build-reproducible-by-turning-off-HTML_TIME.patch
+ubuntu_01_remove_loose_pg_from_dirty_list_in_freelist_save.diff
diff -Nru lmdb-0.9.22/debian/patches/ubuntu_01_remove_loose_pg_from_dirty_list_in_freelist_save.diff lmdb-0.9.22/debian/patches/ubuntu_01_remove_loose_pg_from_dirty_list_in_freelist_save.diff
--- lmdb-0.9.22/debian/patches/ubuntu_01_remove_loose_pg_from_dirty_list_in_freelist_save.diff	1970-01-01 00:00:00.000000000 +0000
+++ lmdb-0.9.22/debian/patches/ubuntu_01_remove_loose_pg_from_dirty_list_in_freelist_save.diff	2019-02-28 15:52:34.000000000 +0000
@@ -0,0 +1,53 @@
+commit 1ffe472a080fcd3c7dab6e352848703ad7adbe14
+Author: Howard Chu <hyc@openldap.org>
+Date:   Fri Jun 22 16:30:13 2018 +0100
+
+    ITS#8756 remove loose pg from dirty list in freelist_save
+
+Index: lmdb-0.9.22/libraries/liblmdb/mdb.c
+===================================================================
+--- lmdb-0.9.22.orig/libraries/liblmdb/mdb.c
++++ lmdb-0.9.22/libraries/liblmdb/mdb.c
+@@ -3094,10 +3094,41 @@ mdb_freelist_save(MDB_txn *txn)
+ 		 * we may be unable to return them to me_pghead.
+ 		 */
+ 		MDB_page *mp = txn->mt_loose_pgs;
++		MDB_ID2 *dl = txn->mt_u.dirty_list;
++		unsigned x;
+ 		if ((rc = mdb_midl_need(&txn->mt_free_pgs, txn->mt_loose_count)) != 0)
+ 			return rc;
+-		for (; mp; mp = NEXT_LOOSE_PAGE(mp))
++		for (; mp; mp = NEXT_LOOSE_PAGE(mp)) {
+ 			mdb_midl_xappend(txn->mt_free_pgs, mp->mp_pgno);
++			/* must also remove from dirty list */
++			if (txn->mt_flags & MDB_TXN_WRITEMAP) {
++				for (x=1; x<=dl[0].mid; x++)
++					if (dl[x].mid == mp->mp_pgno)
++						break;
++				mdb_tassert(txn, x <= dl[0].mid);
++			} else {
++				x = mdb_mid2l_search(dl, mp->mp_pgno);
++				mdb_tassert(txn, dl[x].mid == mp->mp_pgno);
++			}
++			dl[x].mptr = NULL;
++			mdb_dpage_free(env, mp);
++		}
++		{
++			/* squash freed slots out of the dirty list */
++			unsigned y;
++			for (y=1; dl[y].mptr && y <= dl[0].mid; y++);
++			if (y <= dl[0].mid) {
++				for(x=y, y++;;) {
++					while (!dl[y].mptr && y <= dl[0].mid) y++;
++					if (y > dl[0].mid) break;
++					dl[x++] = dl[y++];
++				}
++				dl[0].mid = x-1;
++			} else {
++				/* all slots freed */
++				dl[0].mid = 0;
++			}
++		}
+ 		txn->mt_loose_pgs = NULL;
+ 		txn->mt_loose_count = 0;
+ 	}