ITS#8728 fix MDB_VL32 freeing overflow page

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 9c0b3ca45015c8cb7fdc259076407d85c77f2be5..6287590bb426603bce537234adc93202ea199dd3 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -7041,6 +7041,8 @@ release:
                if (rc)
                        return rc;
        }
+       if (MC_OVPG(mc) == mp)
+               MC_SET_OVPG(mc, NULL);
        mc->mc_db->md_overflow_pages -= ovpages;
 
        if (MDB_REMAPPING(env->me_flags))