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 14:10:57
Last Modify:2022-05-19 20:02:10 Copyright©Brick
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函数名称：mark_chain_precision

函数原型：static int mark_chain_precision(struct bpf_verifier_env *env, int regno)

返回类型：int

参数：

类型参数名称
struct bpf_verifier_env *env
intregno
1892  返回:__mark_chain_precision(env, regno, - 1)
调用者
名称描述
check_stack_writeheck_stack_read/write functions track spill/fill of registers,* stack boundary and alignment are checked in check_mem_access()
check_func_arg
record_func_key
adjust_reg_min_max_valsHandles ALU ops other than BPF_END, BPF_NEG and BPF_MOV: computes new min/max* and var_off.
check_cond_jmp_op
propagate_precisiond precise scalars in the previous equivalent state and* propagate them into the current state