fix: Fix bpf CO-RE issue on 6.9 #483
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6.9 introduces https://lore.kernel.org/bpf/202402221046.020C94D@keescook/T/ which renamed bpf_lpm_trie_key to bpf_lpm_trie_key_u8, breaking CO-RE because vmlinux no longer has the definition. This patch fixes the CO-RE issue by relying on a special cornor case that doesn't emit CO-RE relocation.
jschwinger233
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sumire88
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Mar 27, 2024
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This was referenced Mar 27, 2024
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Background
6.9 introduces https://lore.kernel.org/bpf/202402221046.020C94D@keescook/T/ which renamed bpf_lpm_trie_key to bpf_lpm_trie_key_u8, breaking CO-RE because vmlinux no longer has the definition.
This patch fixes the CO-RE issue by relying on a special cornor case that doesn't emit CO-RE relocation.
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Issue Reference
Closes #482
Test Result