Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\verifier.c Create Date:2022-07-28 12:55:38
Last Modify:2022-05-19 20:02:10 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:bpf_map_key_poisoned

Proto:static bool bpf_map_key_poisoned(const struct bpf_insn_aux_data *aux)

Type:bool

Parameter:

TypeParameterName
const struct bpf_insn_aux_data *aux
203  Return constant (32 bit) key tracking for maps & BPF_MAP_KEY_POISON
Caller
NameDescribe
bpf_map_key_store
record_func_key
fixup_bpf_callsxup insn->imm field of bpf_call instructions* and inline eligible helpers as explicit sequence of BPF instructions* this function is called after eBPF program passed verification