Restrict uid and gid to 16-bit values. HPFS stores only 2 bytes in the EAs. Signed-off-by: Mikulas Patocka <mikulas@xxxxxxxxxxxxxxxxxxxxxxxx> --- fs/hpfs/inode.c | 4 ++++ 1 file changed, 4 insertions(+) Index: linux-2.6.39-rc5-fast/fs/hpfs/inode.c =================================================================== --- linux-2.6.39-rc5-fast.orig/fs/hpfs/inode.c 2011-05-05 01:02:49.000000000 +0200 +++ linux-2.6.39-rc5-fast/fs/hpfs/inode.c 2011-05-05 01:02:53.000000000 +0200 @@ -261,6 +261,10 @@ int hpfs_setattr(struct dentry *dentry, 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; -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
