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Groups > linux.debian.bugs.dist > #1266852

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

From mc36 <csmate@nop.hu>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space
Date 2025-10-20 23:40 +0200
Message-ID <LI5LH-6HIS-1@gated-at.bofh.it> (permalink)
References (1 earlier) <LHRSp-6ygU-3@gated-at.bofh.it> <LHTUd-6zAl-1@gated-at.bofh.it> <LHU3U-6zUW-17@gated-at.bofh.it> <LHJBv-6stc-1@gated-at.bofh.it> <LHU3U-6zUW-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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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

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Thread

Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space mc36 <csmate@nop.hu> - 2025-10-20 06:50 +0200
  Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space Jason Xing <kerneljasonxing@gmail.com> - 2025-10-20 08:50 +0200
    Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space mc36 <csmate@nop.hu> - 2025-10-20 09:20 +0200
    Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space mc36 <csmate@nop.hu> - 2025-10-20 11:00 +0200
      Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space Jason Xing <kerneljasonxing@gmail.com> - 2025-10-20 11:10 +0200
        Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space mc36 <csmate@nop.hu> - 2025-10-20 12:00 +0200
        Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space mc36 <csmate@nop.hu> - 2025-10-20 23:40 +0200
          Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space mc36 <csmate@nop.hu> - 2025-10-21 15:10 +0200
            Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space mc36 <csmate@nop.hu> - 2025-10-21 15:50 +0200
          Bug#1118437: null pointer dereference in interrupt after receiving an ip packet on veth from xsk from user space mc36 <csmate@nop.hu> - 2025-10-21 17:40 +0200

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