Messages in this thread |  | | Date | Wed, 10 Jan 2001 19:47:23 -0500 (EST) | From | Alexander Viro <> | Subject | Re: [reiserfs-list] major security bug in reiserfs (may affect SuSE Linux) |
| |
On Wed, 10 Jan 2001, Chris Mason wrote:
> Ah thanks, that makes more sense. But, copy_to_user is only working on > namelen bytes, and reclen is bigger than that. So, who is checking the > value for the buf->current_dir pointer?
Look at the thing again. Especially at the place where reclen is calculated. Notice the calls of put_user() before and after copy_to_user(). Add them up. Round.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |