fs/ntfs3: 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>

diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 1e1a09034f65b023872d86b866ee5b3907634506..0d00b2301a2f1fa380335ab91abd0afa53538053 100644 (file)
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/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);