fs/ntfs3: Use __GFP_NOWARN allocation at ntfs_load_attr_list()

syzbot is reporting too large allocation at ntfs_load_attr_list(), for
a crafted filesystem can have huge data_size.

Reported-by: syzbot <[email protected]>
Link: https://syzkaller.appspot.com/bug?extid=89dbb3a789a5b9711793
Signed-off-by: Tetsuo Handa <[email protected]>
Signed-off-by: Konstantin Komarov <[email protected]>

Author: Tetsuo Handa

fs/ntfs3/attrlist.c

@@ -52,7 +52,7 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr)
 
 	if (!attr->non_res) {
 		lsize = le32_to_cpu(attr->res.data_size);
-		le = kmalloc(al_aligned(lsize), GFP_NOFS);
+		le = kmalloc(al_aligned(lsize), GFP_NOFS | __GFP_NOWARN);
 		if (!le) {
 			err = -ENOMEM;
 			goto out;
@@ -80,7 +80,7 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr)
 		if (err < 0)
 			goto out;
 
-		le = kmalloc(al_aligned(lsize), GFP_NOFS);
+		le = kmalloc(al_aligned(lsize), GFP_NOFS | __GFP_NOWARN);
 		if (!le) {
 			err = -ENOMEM;
 			goto out;