[Bug bpf/23860] unknown opcode 0x8f in string manipulation code
mark at klomp dot org
sourceware-bugzilla@sourceware.org
Sun Nov 4 21:16:00 GMT 2018
https://sourceware.org/bugzilla/show_bug.cgi?id=23860
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
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CC| |mark at klomp dot org
--- Comment #1 from Mark Wielaard <mark at klomp dot org> ---
If I am decoding this correctly this would be BPF_ALU64 | BPF_NEG | BPF_X.
I am not sure that combination makes sense. I don't believe you can negate a
source operand. You seem to only be able to negate the dest operand (register).
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