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 14:11:35
Last Modify:2022-05-19 20:02:10 Copyright©Brick
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函数名称：check_flow_keys_access

函数原型：static int check_flow_keys_access(struct bpf_verifier_env *env, int off, int size)

返回类型：int

参数：

类型参数名称
struct bpf_verifier_env *env
intoff
intsize
2437  如果size小于0或off小于0或off加size大于sizeof(structbpf_flow_keys)则
2439  verbose(env, "invalid access to flow keys off=%d size=%d\n", off, size)
2441  返回:负EACCES
2443  返回:0
调用者
名称描述
check_mem_accessheck whether memory at (regno + off) is accessible for t = (read | write)* if t==write, value_regno is a register which value is stored into memory* if t==read, value_regno is a register which will receive the value from memory* if t==write &&