kernel/bpf/verifier.c

177 	 * and after processing instruction 'prev_insn_idx'
181 	int prev_insn_idx;
1667 static int pop_stack(struct bpf_verifier_env *env, int *prev_insn_idx,
1686 	if (prev_insn_idx)
1687 		*prev_insn_idx = head->prev_insn_idx;
1697 					     int insn_idx, int prev_insn_idx,
1709 	elem->prev_insn_idx = prev_insn_idx;
2404 						int insn_idx, int prev_insn_idx,
2415 	elem->prev_insn_idx = prev_insn_idx;
3353 	p->prev_idx = env->prev_insn_idx;
17586 	int prev_insn_idx = -1;
17597 		env->prev_insn_idx = prev_insn_idx;
17614 		state->last_insn_idx = env->prev_insn_idx;
17625 							env->prev_insn_idx, env->insn_idx,
17649 				env->prev_insn_idx, env->insn_idx,
17676 							   env->prev_insn_idx);
17683 		prev_insn_idx = env->insn_idx;
17893 				err = pop_stack(env, &prev_insn_idx,