5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
[ Upstream commit 24f6f5020b0b2c89c2cba5ec224547be95f753ee ]
Mark a volume as corrupted if the name length exceeds the space
occupied by ea.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/ntfs3/xattr.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c
index d0b75d7f58a7b..4a7753384b0e9 100644
--- a/fs/ntfs3/xattr.c
+++ b/fs/ntfs3/xattr.c
@@ -217,8 +217,11 @@ static ssize_t ntfs_list_ea(struct ntfs_inode *ni, char *buffer,
if (!ea->name_len)
break;
- if (ea->name_len > ea_size)
+ if (ea->name_len > ea_size) {
+ ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_ERROR);
+ err = -EINVAL; /* corrupted fs */
break;
+ }
if (buffer) {
/* Check if we can use field ea->name */
--
2.43.0
