Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
kernel/bpf/backtrack.c bpf_mark_chain_precision() -> bpf_mark_all_scalars_precise()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->bpf_capable | 1 |
| PARAM_VALUE | 0 | env->bt.frame | 0-2147483646 |
| 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->bt->reg_masks | 0-4294967295 |
| PARAM_VALUE | 0 | *env->tmp_str_buf | 0-255 |
| PARAM_VALUE | 1 | st | 4096-ptr_max |
| PARAM_VALUE | 1 | st->frame | 4096-ptr_max |
| PARAM_VALUE | 1 | st->insn_idx | 0-s32max |
| BUF_SIZE | 0 | env->cur_state | (-1),232 |
| BUF_SIZE | 1 | st | (-1),232 |
| BUF_SIZE | 1 | st | (-1),232 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | st | $1 |
| STR_LEN | 0 | env | (-1),2-3,11 |
| STR_LEN | 0 | env | (-1),2-3,11 |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt | |
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf | |
| NO_OVERFLOW_SIMPLE | 1 | st->jmp_history_cnt |
kernel/bpf/backtrack.c bpf_mark_chain_precision() -> bpf_mark_all_scalars_precise()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->bpf_capable | 1 |
| PARAM_VALUE | 0 | env->bt.frame | 0-2147483646 |
| 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->tmp_str_buf | 0-255 |
| PARAM_VALUE | 1 | st | 4096-ptr_max |
| PARAM_VALUE | 1 | st->frame | 4096-ptr_max |
| BUF_SIZE | 0 | env->cur_state | (-1),232 |
| BUF_SIZE | 1 | st | (-1),232 |
| BUF_SIZE | 1 | st | (-1),232 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | st | $1 |
| STR_LEN | 0 | env | (-1),2-3,11 |
| STR_LEN | 0 | env | (-1),2-3,11 |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt | |
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf | |
| NO_OVERFLOW_SIMPLE | 1 | st->jmp_history_cnt |
kernel/bpf/states.c propagate_backedges() -> bpf_mark_all_scalars_precise()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->insn_aux_data | 4096-ptr_max |
| PARAM_VALUE | 0 | env->scc_info | 4096-ptr_max |
| PARAM_VALUE | 0 | *env->bt.reg_masks | 0-4294967295 |
| PARAM_VALUE | 0 | *env->callchain_buf->callsites | 0-4294967295 |
| PARAM_VALUE | 1 | st | 4096-ptr_max |
| DATA_SOURCE | 0 | env | $0 |
| NOCHECK_CALL |