From 06b6739e6888b28c09e842e3f3a4b05ebe718edb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Wed, 5 Nov 2025 00:55:43 +0300
Subject: [PATCH] mdbx: fix assertion inside `gc_alloc_ex()`.

---
 src/gc-get.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gc-get.c b/src/gc-get.c
index ad2854d0..22559c9b 100644
--- a/src/gc-get.c
+++ b/src/gc-get.c
@@ -878,7 +878,7 @@ pgr_t gc_alloc_ex(const MDBX_cursor *const mc, const size_t num, uint8_t flags)
   //---------------------------------------------------------------------------
 
   if (unlikely(!is_reclaimable(txn, mc, flags))) {
-    eASSERT(env, (txn->flags & txn_gc_drained) || num > 1);
+    eASSERT(env, (txn->flags & txn_gc_drained) || num > 1 || mc->tree == &txn->dbs[FREE_DBI]);
     goto no_gc;
   }