Require go 1.25, Update cilium/ebpf to 0.22.0 and golang.org/x dependencies - #75
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It's currently the oldest supported release.
The API has changed a bit: - ebpf.SanitizeName() is done automatically, and has been removed. - ebpf.CollectionSpec.RewriteMaps() has been replaced by ebpf.CollectionOptions.MapReplacements. To avoid breaking our API, keep a slimmed down version of RewriteMaps(), and add a new PatchOpts() function that uses MapReplacements. - asm.StoreImm(DWord) has been incorrectly removed. cilium/ebpf#2066 fixes it upstream, in the mean time we can work around it with a temporary register.
Newer kernels have started rejecting BPF_PROG_RUN calls with an empty packet. Pass in an empty 14 byte buffer.
Dhiver
approved these changes
Jul 25, 2026
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Housekeeping: switch to the last supported golang version, and update our dependencies. cilium/ebpf had a few breaking changes:
ebpf.SanitizeName()is done automatically, and has been removed.ebpf.CollectionSpec.RewriteMaps()has been replaced byebpf.CollectionOptions.MapReplacements. To avoid breaking our API, keep a slimmed down version ofRewriteMaps(), and add a newPatchOpts()function that usesMapReplacements.asm.StoreImm(DWord)has been incorrectly removed. asm: Allow StoreImm with DWord size cilium/ebpf#2066 fixes it upstream, in the mean time we can work around it with a temporary register.