From b807ef1345becebf5eca41ac9426742595f8d2d5 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Wed, 15 Oct 2025 18:12:26 +0100 Subject: [PATCH 1/2] ITS#9564 lmdb: fix race condition freeing spilled pages at end of transaction --- libraries/liblmdb/mdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c index 73892c16ea..a6b5375c00 100644 --- a/libraries/liblmdb/mdb.c +++ b/libraries/liblmdb/mdb.c @@ -3078,6 +3078,7 @@ mdb_txn_end(MDB_txn *txn, unsigned mode) txn->mt_numdbs = 0; txn->mt_flags = MDB_TXN_FINISHED; + mdb_midl_free(txn->mt_spill_pgs); if (!txn->mt_parent) { mdb_midl_shrink(&txn->mt_free_pgs); @@ -3099,7 +3100,6 @@ mdb_txn_end(MDB_txn *txn, unsigned mode) mdb_midl_free(txn->mt_free_pgs); free(txn->mt_u.dirty_list); } - mdb_midl_free(txn->mt_spill_pgs); mdb_midl_free(pghead); } From 270c5438288fa15a03a75400e788734f32a5608d Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Wed, 15 Oct 2025 18:13:58 +0100 Subject: [PATCH 2/2] ITS#9564 --- libraries/liblmdb/CHANGES | 1 + 1 file changed, 1 insertion(+) diff --git a/libraries/liblmdb/CHANGES b/libraries/liblmdb/CHANGES index 64eb2eab4c..0606e5d537 100644 --- a/libraries/liblmdb/CHANGES +++ b/libraries/liblmdb/CHANGES @@ -1,6 +1,7 @@ LMDB 0.9 Change Log LMDB 0.9.34 Engineering + ITS#9564 - fix race condition freeing spilled pages at end of transaction ITS#10222 - Update mdb_dump(1) and mdb_load(1) man pages for append (-a) option ITS#10275 - mdb_load: add -Q option to use NOSYNC ITS#10296 - fix fdatasync on MacOS