From ea303f72d70ce2f0b0aa94ab127085289768c5a6 Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Tue, 28 Mar 2023 20:05:16 +0900 Subject: 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 Link: https://syzkaller.appspot.com/bug?extid=89dbb3a789a5b9711793 Signed-off-by: Tetsuo Handa Signed-off-by: Konstantin Komarov --- fs/ntfs3/attrlist.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/ntfs3') diff --git a/fs/ntfs3/attrlist.c b/fs/ntfs3/attrlist.c index c0c6bcbc8c05..81c22df27c72 100644 --- a/fs/ntfs3/attrlist.c +++ b/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; -- cgit v1.2.3