Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/bpf/verifier.c check_func_arg() -> check_ptr_alignment()
| 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 | 1 | reg->type | 0-1048592,2097168,4718608,6815760 |
| PARAM_VALUE | 2 | off | 0 |
| PARAM_VALUE | 4 | strict_alignment_once | 1 |
| CAPPED_DATA | 0 | env->cur_state->acquired_refs | 1 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | reg | r reg_state |
kernel/bpf/verifier.c check_mem_access() -> check_ptr_alignment()
| 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 | 3 | size | 1-2,4,8 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | reg | $2 |
| DATA_SOURCE | 2 | off | $4 |
| DATA_SOURCE | 4 | strict_alignment_once | $8 |
| STR_LEN | 0 | env | (-1),3,11 |
| STR_LEN | 0 | env | (-1),3,11 |
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt | |
| UNITS | 2 | off | unit_byte |
| UNITS | 3 | size | unit_byte |