From: Konstantin Komarov almaz.alexandrovich@paragon-software.com
[ Upstream commit 652cfeb43d6b9aba5c7c4902bed7a7340df131fb ]
Reported-by: Robert Morris rtm@csail.mit.edu Signed-off-by: Konstantin Komarov almaz.alexandrovich@paragon-software.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/ntfs3/record.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ntfs3/record.c b/fs/ntfs3/record.c index 7b6423584eae..6aa3a9d44df1 100644 --- a/fs/ntfs3/record.c +++ b/fs/ntfs3/record.c @@ -279,7 +279,7 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr) if (t16 > asize) return NULL;
- if (t16 + le32_to_cpu(attr->res.data_size) > asize) + if (le32_to_cpu(attr->res.data_size) > asize - t16) return NULL;
t32 = sizeof(short) * attr->name_len;