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Fails to build with current bcc #100

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Vogtinator opened this issue Aug 26, 2022 · 5 comments · Fixed by #104
Closed

Fails to build with current bcc #100

Vogtinator opened this issue Aug 26, 2022 · 5 comments · Fixed by #104

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@Vogtinator
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bcc added two additional parameters to bcc_func_load which aren't passed here:

[  141s] GO111MODULE=on go build -mod=vendor -mod=vendor -o bin/oci-seccomp-bpf-hook -ldflags "-X main.version=v1.2.6" github.com/containers/oci-seccomp-bpf-hook
[  141s] # github.com/iovisor/gobpf/bcc
[  141s] vendor/github.com/iovisor/gobpf/bcc/module.go:230:28: not enough arguments in call to _C2func_bcc_func_load
[  141s]        have (unsafe.Pointer, _Ctype_int, *_Ctype_char, *_Ctype_struct_bpf_insn, _Ctype_int, *_Ctype_char, _Ctype_uint, _Ctype_int, *_Ctype_char, _Ctype_uint, nil)
[  141s]        want (unsafe.Pointer, _Ctype_int, *_Ctype_char, *_Ctype_struct_bpf_insn, _Ctype_int, *_Ctype_char, _Ctype_uint, _Ctype_int, *_Ctype_char, _Ctype_uint, *_Ctype_char, _Ctype_int)
[  141s] make: *** [Makefile:49: binary] Error 2

Unfortunately it looks like gobpf is dead: iovisor/gobpf#311

@vrothberg
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Thanks for reaching out, @Vogtinator!

I suggest to wait a bit more on iovisor/gobpf#311.

We may need to prioritize getting #93 done. Cc: @saschagrunert

@saschagrunert
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Libbpf 1.0.0 has been released a couple of days ago which seems to be a great road to stabilization: https://github.com/libbpf/libbpf/releases/tag/v1.0.0

I think we can start working on it when aquasecurity/libbpfgo#216 got merged (and released).

@martinetd
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the libbpfgo change has been merged but I'm not sure we can count on a release (haven't explicitly asked yet) -- would pinning against the latest commit for this repo be something to consider, or should I try to be annoying over there?
As far as I can see we're already using arbitrary commits for seccomp and runtime-spec

@vrothberg
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Thanks for the ping! I am OK vendoring a non-release commit.

martinetd added a commit to martinetd/oci-seccomp-bpf-hook that referenced this issue Oct 11, 2022
bcc v0.25.0 broke compatibility with bcc_func_load and requires updating
the gobpf wrapper.

Fixes: containers#100
Signed-off-by: Dominique Martinet <[email protected]>
@martinetd
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Thanks, opened #104 with gobpf version bump!

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4 participants