From 4e094563d4989ae4451fb61ea0584986f6a711cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Pierre=20Andr=C3=A9?= <jpandre@users.sourceforge.net>
Date: Mon, 12 Jul 2021 08:31:18 +0200
Subject: [PATCH] Checked $MFT data to be ready before fetching an extent

---
 libntfs-3g/attrib.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libntfs-3g/attrib.c b/libntfs-3g/attrib.c
index 12989615..799f2ee4 100644
--- a/libntfs-3g/attrib.c
+++ b/libntfs-3g/attrib.c
@@ -3217,6 +3217,12 @@ is_enumeration:
 				ctx->mrec = ctx->base_mrec;
 			} else {
 				/* We want an extent record. */
+				if (!vol->mft_na) {
+					ntfs_log_perror("$MFT not ready for "
+					    "opening an extent to inode %lld\n",
+					    (long long)base_ni->mft_no);
+					break;
+				}
 				ni = ntfs_extent_inode_open(base_ni,
 						al_entry->mft_reference);
 				if (!ni)