HPFS: Restrict uid and gid to 16-bit values (48f10e8c) · Commits · 戴 / test

Restrict uid and gid to 16-bit values. HPFS stores only 2 bytes in the EAs. Signed-off-by:

fs/hpfs/inode.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -261,6 +261,10 @@ int hpfs_setattr(struct dentry dentry, struct iattr attr)
		hpfs_lock(inode->i_sb);
		if (inode->i_ino == hpfs_sb(inode->i_sb)->sb_root)
		goto out_unlock;
		if ((attr->ia_valid & ATTR_UID) && attr->ia_uid >= 0x10000)
		goto out_unlock;
		if ((attr->ia_valid & ATTR_GID) && attr->ia_gid >= 0x10000)
		goto out_unlock;
		if ((attr->ia_valid & ATTR_SIZE) && attr->ia_size > inode->i_size)
		goto out_unlock;