Symbol: bpf_stack_slot_alive
include/linux/bpf_verifier.h
1095
bool bpf_stack_slot_alive(struct bpf_verifier_env *env, u32 frameno, u32 spi);
kernel/bpf/verifier.c
19660
if (!bpf_stack_slot_alive(env, st->frameno, i)) {