Function report |
Source Code:kernel\bpf\verifier.c |
Create Date:2022-07-28 13:02:05 |
| Last Modify:2022-05-19 20:02:10 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:may_access_skb
Proto:static bool may_access_skb(enum bpf_prog_type type)
Type:bool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| enum bpf_prog_type | type |
| 6247 | Case type == BPF_PROG_TYPE_SOCKET_FILTER |
| 6248 | Case type == BPF_PROG_TYPE_SCHED_CLS |
| 6249 | Case type == BPF_PROG_TYPE_SCHED_ACT |
| 6250 | Return true |
| 6251 | Default |
| 6252 | Return false |
| Name | Describe |
|---|---|
| check_ld_abs | verify safety of LD_ABS|LD_IND instructions:* - they can only appear in the programs where ctx == skb* - since they are wrappers of function calls, they scratch R1-R5 registers,* preserve R6-R9, and store return value into R0* Implicit input:* ctx == skb |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |