Anyone successfully using ipmasq with 2.1.129? [Oops in 2.1.129]

Brian Ristuccia (brianr@osiris.ml.org)
Sun, 22 Nov 1998 17:19:56 -0500

Is anyone successfully using ipmasq with 2.1.129? Interested in hearing
about your configuration. Ipmasq immediately crashes my machine. See my
earlier posting:

On Thu, Nov 19, 1998 at 09:28:57PM -0500, Brian Ristuccia wrote:
> 2.1.129 get a Null Pointer Dereference followed by an oops, followed by a
> panic when I enable ip_forwarding under 2.1.129 with masquarading ipchains
> rules present.
>
> My IP chains rules:
>
> ipchains -P forward DENY
> ipchains -A forward -j MASQ -s 10.0.16.0/24 -d 0.0.0.0/0
>
> Then I enable forwarding:
>
> echo "1" >/proc/sys/net/ipv4/ip_forward
>
> Then it goes boom (keyed in from my notes):
>
> Null pointer dereference 00000417 current -> tss.cr3 00101000, %cr3=00101000
> *pde=00000000
> Oops=0000
> Cpu=4
> EIP=0010:[<C016ED20>]
> Eflags 00010256
> EAX 00000018
> Process: Swapper
> Aiee, killing interrupt handler
> Kernel Panic: Attempted to kill idle tyask!
> In Interrupt Handler - Not syncing
>
> From my /System.map around the value of EIP:
>
> c016eba0 t find_special
> c016ecd0 t cleanup
> c016ed40 t ip_fw_check
> c016f2d0 t zero_fw_chain
>
> --
> Brian Ristuccia
> brianr@osiris.ml.org
> bristucc@baynetworks.com
> bristucc@cs.uml.edu

-- 
Brian Ristuccia
brianr@osiris.ml.org
bristucc@baynetworks.com
bristucc@cs.uml.edu


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