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-rw-r--r--fs/ntfs3/attrlist.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ntfs3/attrlist.c b/fs/ntfs3/attrlist.c
index a4d74bed74fa..098bd7e8c3d6 100644
--- a/fs/ntfs3/attrlist.c
+++ b/fs/ntfs3/attrlist.c
@@ -52,6 +52,11 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr)
if (!attr->non_res) {
lsize = le32_to_cpu(attr->res.data_size);
+ if (!lsize) {
+ err = -EINVAL;
+ goto out;
+ }
+
/* attr is resident: lsize < record_size (1K or 4K) */
le = kvmalloc(al_aligned(lsize), GFP_KERNEL);
if (!le) {
@@ -66,6 +71,10 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr)
u16 run_off = le16_to_cpu(attr->nres.run_off);
lsize = le64_to_cpu(attr->nres.data_size);
+ if (!lsize) {
+ err = -EINVAL;
+ goto out;
+ }
run_init(&ni->attr_list.run);