From ee9d4810aab95208541d2807f9d114f1d5edcee0 Mon Sep 17 00:00:00 2001

From: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

Date: Wed, 8 Sep 2021 18:39:53 +0300

Subject: [Backport ee9d4810aab9] src: Fix insertion of attr in

 ni_ins_attr_ext

Do not try to insert attribute if there is no room in record.

Reviewed-by: Kari Argillander <kari.argillander@gmail.com>

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

---

 src/frecord.c | 7 +++++++

 1 file changed, 7 insertions(+)

diff --git a/src/frecord.c b/src/frecord.c

index 1e1a09034f65b023872d86b866ee5b3907634506..0d00b2301a2f1fa380335ab91abd0afa53538053 100644

--- a/src/frecord.c

+++ b/src/frecord.c

@@ -953,6 +953,13 @@ static int ni_ins_attr_ext(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le,

 			continue;

 		}

+		/*

+		 * Do not try to insert this attribute

+		 * if there is no room in record.

+		 */

+		if (le32_to_cpu(mi->mrec->used) + asize > sbi->record_size)

+			continue;

+

 		/* Try to insert attribute into this subrecord. */

 		attr = ni_ins_new_attr(ni, mi, le, type, name, name_len, asize,

 				       name_off, svcn, ins_le);

-- 

2.31.1