Re: [PATCH bpf-next 09/11] bpf: Return PTR_ERR from push_stack()

On Thu, 2025-03-13 at 18:41 +0100, Luis Gerhorst wrote:

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@@ -2011,8 +2011,10 @@ static struct bpf_verifier_state *push_stack(struct bpf_verifier_env *env, int err; elem = kzalloc(sizeof(struct bpf_verifier_stack_elem), GFP_KERNEL);

• if (!elem)

• goto err;
  

• if (!elem) {

• err = -ENOMEM;
  

• goto unrecoverable_err;
  

• }

Could you please point me to a location, where exact error code returned by updated push_stack() matters? I checked push_stack() callgraph (in the attachment), but can't find anything.

elem->insn_idx = insn_idx; elem->prev_insn_idx = prev_insn_idx; @@ -2022,12 +2024,19 @@ static struct bpf_verifier_state *push_stack(struct bpf_verifier_env *env,

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