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BPF streams are only valid for the main programs, to make it easier to access streams from subprogs, introduce main_prog_aux in struct bpf_prog_aux. prog->aux->main_prog_aux = prog->aux, for main programs and prog->aux->main_prog_aux = main_prog->aux, for subprograms. Make bpf_prog_find_from_stack() use the added main_prog_aux to return the mainprog when a subprog is found on the stack. Signed-off-by: Puranjay Mohan <puranjay@kernel.org> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20250911145808.58042-3-puranjay@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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