Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space

[Fernando Fernandez Mancera <fmancera@suse.de>]

On 10/20/25 11:31 PM, mc36 wrote:
> hi,
>
> On 10/20/25 11:04, Jason Xing wrote:
> > I followed your steps you attached in your code:
> > ////// gcc xskInt.c -lxdp
> > ////// sudo ip link add veth1 type veth
> > ////// sudo ip link set veth0 up
> > ////// sudo ip link set veth1 up
>
> ip link set dev veth1 address 3a:10:5c:53:b3:5c
>
> > ////// sudo ./a.out
> that will do the trick on a recent kerlek....
>
> its the destination mac in the c code....
>
> ps: chaining in the original reporter from the fedora land.....
>
>
> have a nice day,
>
> cs

hi, FWIW I have reproduced this and I bisected it, issue was introduced 
at 30f241fcf52aaaef7ac16e66530faa11be78a865 - working on a patch.

Thanks,
Fernando.