From: Josef Bacik <jbacik@xxxxxx> We need to use file->private_data for readdir on directories, so just don't allow user space transactions on directories. Signed-off-by: Josef Bacik <jbacik@xxxxxx> --- fs/btrfs/ioctl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index bedeec6..ddb3811 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3968,6 +3968,9 @@ static long btrfs_ioctl_trans_start(struct file *file) struct btrfs_trans_handle *trans; int ret; + if (S_ISDIR(inode->i_mode)) + return -EINVAL; + ret = -EPERM; if (!capable(CAP_SYS_ADMIN)) goto out; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
