Fix cursor_del0 cursor fixup

Skip cursors that aren't as deep as current cursor

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 8aee8597866594546d0892dcd87bb3a548ed8819..44ce73e8b502f7021c89d2134e63037265156e64 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -7295,6 +7295,8 @@ mdb_cursor_del0(MDB_cursor *mc, MDB_node *leaf)
                                continue;
                        if (!(m2->mc_flags & C_INITIALIZED))
                                continue;
+                       if (m2->mc_top < mc->mc_top)
+                               continue;
                        if (m2->mc_pg[mc->mc_top] == mp) {
                                if (m2->mc_ki[mc->mc_top] >= ki) {
                                        m2->mc_flags |= C_DEL;