Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/bpf/verifier.c check_buffer_access() -> __check_buffer_access()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->cur_state | 4096-ptr_max |
| PARAM_VALUE | 0 | env->insn_aux_data->btf_var.reg_type | 0,16,529,4112 |
| PARAM_VALUE | 0 | env->ops->gen_ld_abs | 0,4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 1 | buf_info | 3822766532217290752,5142921254053928960 |
| PARAM_VALUE | 2 | reg | 4096-ptr_max |
| PARAM_VALUE | 6 | access_end | 60067424136036352 |
| BUF_SIZE | 1 | buf_info | 5,7 |
| BUF_SIZE | 1 | buf_info | 5,7 |
| BUF_SIZE | 2 | reg | (-1),880 |
| BUF_SIZE | 2 | reg | (-1),880 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 2 | reg | $1 |
| DATA_SOURCE | 3 | argno | $2 |
| DATA_SOURCE | 4 | off | $3 |
| DATA_SOURCE | 5 | size | $4 |
| STR_LEN | 0 | env | (-1),3,11 |
| STR_LEN | 0 | env | (-1),3,11 |
| STR_LEN | 1 | buf_info | 4,6 |
| STR_LEN | 1 | buf_info | 4,6 |
| BIT_INFO | 1 | buf_info | 0x50d11a014104000,0x775f73e9ffb0e000 |
| BIT_INFO | 1 | buf_info | 0x50d11a014104000,0x775f73e9ffb0e000 |
| TERMINATED | 1 | buf_info | 1 |
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt | |
| UNITS | 4 | off | unit_byte |
| UNITS | 5 | size | unit_byte |
kernel/bpf/verifier.c check_tp_buffer_access() -> __check_buffer_access()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->cur_state | 4096-ptr_max |
| PARAM_VALUE | 0 | env->insn_aux_data->btf_var.reg_type | 0,16,529,4112 |
| PARAM_VALUE | 0 | env->ops->gen_ld_abs | 0,5704186734949433344 |
| PARAM_VALUE | 1 | buf_info | 4163340507987668992 |
| PARAM_VALUE | 2 | reg | 4096-ptr_max |
| PARAM_VALUE | 2 | reg->type | 14 |
| PARAM_VALUE | 5 | size | 1-2,4,8 |
| PARAM_VALUE | 6 | access_end | 8769864312172769280 |
| BUF_SIZE | 1 | buf_info | 11 |
| BUF_SIZE | 2 | reg | (-1),880 |
| BUF_SIZE | 2 | reg | (-1),880 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 2 | reg | $1 |
| DATA_SOURCE | 3 | argno | $2 |
| DATA_SOURCE | 4 | off | $3 |
| DATA_SOURCE | 5 | size | $4 |
| STR_LEN | 0 | env | (-1),3,11 |
| STR_LEN | 0 | env | (-1),3,11 |
| STR_LEN | 1 | buf_info | 10 |
| TERMINATED | 1 | buf_info | 1 |
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt | |
| UNITS | 4 | off | unit_byte |
| UNITS | 5 | size | unit_byte |