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[ Upstream commitefadf2ad17] The allocated ring buffer is never freed, do so in the cleanup path. Fixes:f446b570ac("bpf/selftests: Update the IMA test to use BPF ring buffer") Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20211028063501.2239335-9-memxor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>