kernel/bpf/verifier.c

1343 	state->refs[new_ofs].callback_ref = state->in_callback_fn ? state->frameno : 0;
1357 			if (state->in_callback_fn && state->refs[i].callback_ref != state->frameno)
9728 	callee->in_callback_fn = true;
9750 	callee->in_callback_fn = true;
9808 	callee->in_callback_fn = true;
9831 	callee->in_callback_fn = true;
9863 	callee->in_callback_fn = true;
9886 	if (!callee->in_callback_fn)
9903 	bool in_callback_fn;
9920 	if (callee->in_callback_fn) {
9953 	if (!callee->in_callback_fn) {
9964 	in_callback_fn = callee->in_callback_fn;
9965 	if (in_callback_fn)
9992 	prev_st = in_callback_fn ? find_prev_entry(env, state, *insn_idx) : NULL;
10128 	if (!exception_exit && state->frameno && !state->in_callback_fn)
10132 		if (!exception_exit && state->in_callback_fn && state->refs[i].callback_ref != state->frameno)