panic: Memory modified after free

Kris Kennaway kris at obsecurity.org
Tue Jan 31 13:33:47 PST 2006


On Tue, Jan 31, 2006 at 01:22:09PM -0800, Steve Kargl wrote:
> The system is a dual proc Tyan K8S Pro with 12 GB of memory.
> The kernel is UP.  This was recorded by hand. I have the crash dump.
> 
> Memory modified after free 0xffffff02505e0c00(504) val=deadc0dd @
> 0xffffff02505e0cd0
> 
> panic: Most recently used by DEVFS1

Set up memguard to watch this malloc type in order to obtain useful
debugging.

Kris
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