Re: 2.2.0 SECURITY

Thomas Dodd (ted@cypress.com)
Wed, 27 Jan 1999 14:14:41 -0600

Alan Cox wrote:
>
> > I've been told now that ac1 DOES indeed crash like 2.2.0.
>
> It would. If anyone has a crystal ball available that works let me know ,
> otherwise its tricky to fix undiscovered bugs 8)
>
> Alan

Did you see Mingo's patch yet?
Below if anyone missed it.

-Thomas

[patch] 'coredump crash' fixed

--- linux/mm/mmap.c.orig Wed Jan 27 14:09:31 1999
+++ linux/mm/mmap.c Wed Jan 27 14:06:09 1999
@@ -558,7 +558,7 @@
unsigned long start, unsigned long end)
{
unsigned long first = start & PGDIR_MASK;
- unsigned long last = (end & PGDIR_MASK) + PGDIR_SIZE;
+ unsigned long last = ((end-1) & PGDIR_MASK) + PGDIR_SIZE;

if (!prev) {
prev = mm->mmap;

-
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