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lizrice / learning-ebpf

Learning eBPF, published by O'Reilly - out now! Here's where you'll find a VM config for the examples, and more
https://www.amazon.com/Learning-eBPF-Programming-Observability-Networking/dp/1098135121
Apache License 2.0
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chapter8 pingpong example code #9

Closed Cyc1ing1313 closed 1 year ago

Cyc1ing1313 commented 1 year ago

I created two veth,i attached this bpf program to egress direction on veth0,and when i ping to veth1 from veth0,the vm crash.could you explain why it's only working in ingress direction?

lizrice commented 1 year ago

Can you send some information about what you see in the "crash"? Do you get a stack trace?

lizrice commented 1 year ago

Closing as stale, please reopen if you have more information