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math between pkt pointer and register with unbounded min value is not allowed 14 #verifier

If you use BPF constructor debug=16 flag, it will print out the register state for every insn if you are even more curious. To resolve this issue, llvm may need to do more: - prevent/undo optimization

By Yonghong Song ·

#verifier

R? min value is negative, either use unsigned or 'var &= const' 13 #verifier

I finally discover that checksum can be calculated via incremental update. (see RFC 1624) Using it, I didn't have to deal with dynamic sized payload and so no more issue with the verifier. So I go bac

By Simon ·

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