Messages in this thread |  | | Date | Wed, 10 Jan 2001 11:09:10 -0500 | From | Chris Mason <> | Subject | Re: [reiserfs-list] major security bug in reiserfs (may affect SuSE Linux) |
| |
On Wednesday, January 10, 2001 07:02:08 PM +0300 "Vladimir V. Saveliev" <vs@namesys.botik.ru> wrote:
> Hi > > Chris Mason wrote: > >> On Wednesday, January 10, 2001 02:32:09 AM +0100 Marc Lehmann >> <pcg@goof.com> wrote: >> >> >>> EIP; c013f911 <filldir+20b/221> <===== >> > Trace; c013f706 <filldir+0/221> >> > Trace; c0136e01 <reiserfs_getblk+2a/16d> >> >> The buffer reiserfs is sending to filldir is big enough for >> the huge file name, so I think the real fix should be done in VFSland. >> >> But, in the interest of providing a quick, obviously correct fix, this >> reiserfs only patch will refuse to create file names larger >> than 255 chars, and skip over any directory entries larger than >> 255 chars. >> > > Hmm, wouldn't it make existing long named files unreachable? >
Yes, that was intentional. We can make a different version of the patch that changes reiserfs_find_entry to allow opening the large filenames for delete and such. But, as a quick fix, I wanted to close all possible paths to the long names.
-chris
- 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/
|  |