From 6f06641bf2ad519921992c3dc64545d6124c390a 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: Mon, 28 Mar 2022 23:33:40 +0300
Subject: [PATCH] mdbx-tools: handle NULL from memory allocation functions.

---
 src/mdbx_chk.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mdbx_chk.c b/src/mdbx_chk.c
index 62dfcd24..808a088e 100644
--- a/src/mdbx_chk.c
+++ b/src/mdbx_chk.c
@@ -239,6 +239,8 @@ static void MDBX_PRINTF_ARGS(4, 5)
 
     if (!p) {
       p = mdbx_calloc(1, sizeof(*p));
+      if (unlikely(!p))
+        return;
       p->caption = msg;
       p->pr_next = problems_list;
       problems_list = p;
@@ -616,6 +618,8 @@ static int handle_maindb(const uint64_t record_number, const MDBX_val *key,
   }
 
   name = mdbx_malloc(key->iov_len + 1);
+  if (unlikely(!name))
+    return MDBX_ENOMEM;
   memcpy(name, key->iov_base, key->iov_len);
   name[key->iov_len] = '\0';
   userdb_count++;