函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\verifier.c Create Date:2022-07-27 14:09:37
Last Modify:2022-05-19 20:02:10 Copyright©Brick
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函数名称：py verifier state from src to dst growing dst stack space* when necessary to accommodate larger src stack

函数原型：static int copy_func_state(struct bpf_func_state *dst, const struct bpf_func_state *src)

返回类型：int

参数：

类型参数名称
struct bpf_func_state *dst
const struct bpf_func_state *src
760  err等于do_check() starts with zero-sized stack in struct bpf_verifier_state to* make it consume minimal amount of memory
762  如果err则返回:err
764  内存复制(dst, src, offsetof(structbpf_func_state, acquired_refs))
765  err等于py_reference_state()
766  如果err则返回:err
768  返回:py_stack_state()
调用者
名称描述
copy_verifier_state