Unverified Commit 731ab1f9 authored by Edward Adam Davis's avatar Edward Adam Davis Committed by Konstantin Komarov
Browse files

fs/ntfs3: Fix oob in ntfs_listxattr 



The length of name cannot exceed the space occupied by ea.

Reported-and-tested-by: default avatar <syzbot+65e940cfb8f99a97aca7@syzkaller.appspotmail.com>
Signed-off-by: default avatarEdward Adam Davis <eadavis@qq.com>
Signed-off-by: default avatarKonstantin Komarov <almaz.alexandrovich@paragon-software.com>
parent b2dd7b95

fs/ntfs3/xattr.c

+3 −0
Original line number Diff line number Diff line
@@ -219,6 +219,9 @@ static ssize_t ntfs_list_ea(struct ntfs_inode *ni, char *buffer, 
		if (!ea->name_len)

			break;



		if (ea->name_len > ea_size)

			break;



		if (buffer) {

			/* Check if we can use field ea->name */

			if (off + ea_size > size)