Hello:
This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
On Tue, 27 Aug 2024 13:37:21 -0700 you wrote:
> We do an ugly copying of options in bpf_object__open_skeleton() just to
> be able to set object name from skeleton's recorded name (while still
> allowing user to override it through opts->object_name).
>
> This is not just ugly, but it also is broken due to memcpy() that
> doesn't take into account potential skel_opts' and user-provided opts'
> sizes differences due to backward and forward compatibility. This leads
> to copying over extra bytes and then failing to validate options
> properly. It could, technically, lead also to SIGSEGV, if we are unlucky.
>
> [...]
Here is the summary with links:
- [bpf-next] libbpf: fix bpf_object__open_skeleton()'s mishandling of options
https://git.kernel.org/bpf/bpf-next/c/c634d6f4e12d
You are awesome, thank you!
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