Re: [Announcement] "Exec Shield", new Linux security feature

From: Kasper Dupont (kasperd@daimi.au.dk)
Date: Sun May 04 2003 - 15:57:41 EST

Next message: David S. Miller: "Re: [2.5.68] Scalability issues"
Previous message: David Schwartz: "RE: fcntl file locking and pthreads"
In reply to: Ingo Molnar: "[Announcement] "Exec Shield", new Linux security feature"
Next in thread: Chuck Ebbert: "Re: [Announcement] "Exec Shield", new Linux security feature"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Ingo Molnar wrote:
>
> the first 1MB of the ASCII-armor is left unused to provide NULL pointer
> dereference protection and leave space for 16-bit emulation mappings used
> by XFree86 and others.

But in some cases you need 1MB+64KB. I think you should change the
start address from 0x00101000 to 0x00111000 so it does not overlap
the address space addressable from virtual 86 mode.

-- 
Kasper Dupont -- der bruger for meget tid på usenet.
For sending spam use mailto:aaarep@daimi.au.dk
for(_=52;_;(_%5)||(_/=5),(_%5)&&(_-=2))putchar(_);
-
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/

Next message: David S. Miller: "Re: [2.5.68] Scalability issues"
Previous message: David Schwartz: "RE: fcntl file locking and pthreads"
In reply to: Ingo Molnar: "[Announcement] "Exec Shield", new Linux security feature"
Next in thread: Chuck Ebbert: "Re: [Announcement] "Exec Shield", new Linux security feature"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Wed May 07 2003 - 22:00:20 EST