From 375fa3a225d33f1ebdbd9fb15d25d7addf53e5ca 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, 28 Sep 2022 00:06:57 +0300
Subject: [PATCH] =?UTF-8?q?mdbx:=20=D0=BD=D0=B5=D0=B1=D0=BE=D0=BB=D1=8C?=
 =?UTF-8?q?=D1=88=D0=B0=D1=8F=20=D1=87=D0=B8=D1=81=D1=82=D0=BA=D0=B0=20`dl?=
 =?UTF-8?q?ist=5Ffree()`.?=
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---
 src/core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/core.c b/src/core.c
index aed1f500..3b8734ac 100644
--- a/src/core.c
+++ b/src/core.c
@@ -3644,13 +3644,12 @@ static MDBX_page *page_malloc(MDBX_txn *txn, unsigned num) {
 static void dpage_free(MDBX_env *env, MDBX_page *dp, unsigned npages) {
   VALGRIND_MAKE_MEM_UNDEFINED(dp, pgno2bytes(env, npages));
   MDBX_ASAN_UNPOISON_MEMORY_REGION(dp, pgno2bytes(env, npages));
-  if (MDBX_DEBUG != 0 || unlikely(env->me_flags & MDBX_PAGEPERTURB))
+  if (unlikely(env->me_flags & MDBX_PAGEPERTURB))
     memset(dp, -1, pgno2bytes(env, npages));
   if (npages == 1 &&
       env->me_dp_reserve_len < env->me_options.dp_reserve_limit) {
     MDBX_ASAN_POISON_MEMORY_REGION((char *)dp + sizeof(dp->mp_next),
-                                   pgno2bytes(env, npages) -
-                                       sizeof(dp->mp_next));
+                                   env->me_psize - sizeof(dp->mp_next));
     dp->mp_next = env->me_dp_reserve;
     VALGRIND_MEMPOOL_FREE(env, dp);
     env->me_dp_reserve = dp;