Messages in this thread Patch in this message | | | From | Christoph Rohland <> | Subject | Re: Linux 2.2.19pre10 | Date | 13 Feb 2001 14:59:35 +0100 |
| |
Hi Alan,
On Tue, 13 Feb 2001, Alan Cox wrote: >> Yes, I understand that. But I never got any note that my fix is >> broken and I still do not understand what's the concern. > > Unless Im misreading the code the segment you poke at has > potentially been freed before it is written too.
Oh yes I was blind, shame on me. Here comes a fixed version.
Greetings Christoph
--- 2.2.19-pre10/ipc/shm.c.orig Tue Feb 13 14:35:25 2001 +++ 2.2.19-pre10/ipc/shm.c Tue Feb 13 14:34:49 2001 @@ -337,6 +337,8 @@ if (current->euid == shp->u.shm_perm.uid || current->euid == shp->u.shm_perm.cuid || capable(CAP_SYS_ADMIN)) { + /* Do not find it any more */ + shp->u.shm_perm.key = IPC_PRIVATE; shp->u.shm_perm.mode |= SHM_DEST; if (shp->u.shm_nattch <= 0) killseg (id); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |