Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/bpf/verifier.c btf_check_func_arg_match() -> check_reg_type()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->cur_state | 4096-ptr_max |
| PARAM_VALUE | 0 | env->cur_state->frame | 4096-ptr_max |
| PARAM_VALUE | 0 | env->ops->gen_ld_abs | 0,4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->aux | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->aux->func_info | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->aux->func_info_aux | 4096-ptr_max |
| PARAM_VALUE | 0 | *env->log.kbuf | 0-255 |
| PARAM_VALUE | 0 | *env->tmp_str_buf | 0-255 |
| PARAM_VALUE | 1 | reg | 4096-ptr_max |
| PARAM_VALUE | 1 | reg->type | 1 |
| PARAM_VALUE | 3 | arg_type | 5,260,16397,16900,1048589 |
| PARAM_VALUE | 4 | arg_btf_id | 4096-ptr_max |
| PARAM_VALUE | 5 | meta | 3466698350193991680 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | reg | r get_func_arg_reg |
| DATA_SOURCE | 2 | argno | r argno_from_arg |
| BIT_INFO | 3 | arg_type | 0x0,0x1fbfff |
| MEM_ZERO | 5 | meta | |
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt |
kernel/bpf/verifier.c check_func_arg() -> check_reg_type()
| 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->ops->get_func_proto | 1-u64max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 1 | reg | 4096-ptr_max |
| PARAM_VALUE | 3 | arg_type | 1-8,10-u32max |
| PARAM_VALUE | 5 | meta | 4384626442260283392 |
| PARAM_VALUE | 5 | meta->const_map_key | 0 |
| PARAM_VALUE | 5 | meta->fn->arg_type | 4096-ptr_max |
| PARAM_VALUE | 5 | meta->map.ptr | 0,4096-ptr_max |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | reg | r reg_state |
| DATA_SOURCE | 2 | argno | r argno_from_reg |
| DATA_SOURCE | 5 | meta | $2 |
| MEM_ZERO | 5 | meta |