Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 4 files:
- kernel/bpf/backtrack.c, line 963
- kernel/bpf/log.c, line 824
- kernel/bpf/states.c
- kernel/bpf/verifier.c
Smatch caller information:
kernel/bpf/log.c print_insn_state() -> print_verifier_state()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 3 | print_all | 0 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | vstate | $1 |
| DATA_SOURCE | 2 | frameno | $2 |
| NOCHECK_CALL |
kernel/bpf/backtrack.c bpf_mark_chain_precision() -> print_verifier_state()
| 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->log.level | 2-u32max |
| PARAM_VALUE | 0 | env->ops->gen_ld_abs | 0,4096-ptr_max |
| PARAM_VALUE | 0 | env->tmp_str_buf | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate->frame | 4096-ptr_max |
| PARAM_VALUE | 2 | frameno | 0-2147483646 |
| PARAM_VALUE | 3 | print_all | 1 |
| BUF_SIZE | 0 | env->cur_state | (-1),232 |
| DATA_SOURCE | 0 | env | $0 |
| STR_LEN | 0 | env | (-1),2-3,11 |
| STR_LEN | 0 | env | (-1),2-3,11 |
| BIT_INFO | 0 | env->log.level | 0x2,0xffffffff |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt | |
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf | |
| NO_OVERFLOW_SIMPLE | 1 | vstate->jmp_history_cnt |
kernel/bpf/states.c bpf_is_state_visited() -> print_verifier_state()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->cur_hist_ent | 0 |
| PARAM_VALUE | 0 | env->cur_state | 4096-ptr_max |
| PARAM_VALUE | 0 | env->cur_state->curframe | 0-4294967294 |
| PARAM_VALUE | 0 | env->cur_state->insn_idx | 0-4294967294 |
| PARAM_VALUE | 0 | env->insn_aux_data | 4096-ptr_max |
| PARAM_VALUE | 0 | env->insn_aux_data->btf_var.reg_type | 0,16,529,4112 |
| PARAM_VALUE | 0 | env->insn_idx | 0-4294967294 |
| PARAM_VALUE | 0 | env->insn_processed | 0-1000000 |
| PARAM_VALUE | 0 | env->liveness | 4096-ptr_max |
| PARAM_VALUE | 0 | env->liveness->live_stack_query.curframe | 0-4294967294 |
| PARAM_VALUE | 0 | env->liveness->live_stack_query.insn_idx | 0-4294967294 |
| PARAM_VALUE | 0 | env->ops->gen_ld_abs | 0,4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | *env->bt.reg_masks | 0-4294967295 |
| PARAM_VALUE | 0 | *env->liveness->live_stack_query->callsites | 0-4294967295 |
| PARAM_VALUE | 1 | vstate | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate->curframe | 0-4294967294 |
| PARAM_VALUE | 1 | vstate->insn_idx | 0-4294967294 |
| PARAM_VALUE | 2 | frameno | 0-4294967294 |
| PARAM_VALUE | 3 | print_all | 1 |
| CAPPED_DATA | 0 | env->insn_idx | 1 |
| CAPPED_DATA | 0 | env->prev_insn_idx | 1 |
| CAPPED_DATA | 1 | vstate->acquired_refs | 1 |
| CAPPED_DATA | 1 | vstate->active_lock_ptr | 1 |
| CAPPED_DATA | 1 | vstate->active_locks | 1 |
| CAPPED_DATA | 1 | vstate->active_preempt_locks | 1 |
| CAPPED_DATA | 1 | vstate->active_rcu_locks | 1 |
| CAPPED_DATA | 1 | vstate->callback_unroll_depth | 1 |
| CAPPED_DATA | 1 | vstate->curframe | 1 |
| CAPPED_DATA | 1 | vstate->in_sleepable | 1 |
| CAPPED_DATA | 1 | vstate->may_goto_depth | 1 |
| CAPPED_DATA | 2 | frameno | 1 |
| DATA_SOURCE | 0 | env | $0 |
| FUZZY_MAX | 0 | env->insn_processed | 1000000 |
| BIT_INFO | 0 | env->prev_insn_idx | 0x0,0x7fffffff |
| HARD_MAX | 0 | env->insn_processed | 1000000 |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt | |
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf | |
| NO_OVERFLOW_SIMPLE | 1 | vstate->jmp_history_cnt |
kernel/bpf/states.c bpf_is_state_visited() -> print_verifier_state()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->cur_hist_ent | 0 |
| PARAM_VALUE | 0 | env->cur_state | 4096-ptr_max |
| PARAM_VALUE | 0 | env->cur_state->curframe | 0-4294967294 |
| PARAM_VALUE | 0 | env->cur_state->insn_idx | 0-4294967294 |
| PARAM_VALUE | 0 | env->insn_aux_data | 4096-ptr_max |
| PARAM_VALUE | 0 | env->insn_aux_data->btf_var.reg_type | 0,16,529,4112 |
| PARAM_VALUE | 0 | env->insn_idx | 0-4294967294 |
| PARAM_VALUE | 0 | env->insn_processed | 0-1000000 |
| PARAM_VALUE | 0 | env->liveness | 4096-ptr_max |
| PARAM_VALUE | 0 | env->liveness->live_stack_query.curframe | 0-4294967294 |
| PARAM_VALUE | 0 | env->liveness->live_stack_query.insn_idx | 0-4294967294 |
| PARAM_VALUE | 0 | env->ops->gen_ld_abs | 0,4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | *env->bt.reg_masks | 0-4294967295 |
| PARAM_VALUE | 0 | *env->liveness->live_stack_query->callsites | 0-4294967295 |
| PARAM_VALUE | 0 | *env->tmp_str_buf | 0-255 |
| PARAM_VALUE | 1 | vstate->acquired_refs | 0-s32max |
| PARAM_VALUE | 1 | vstate->branches | 1-u32max |
| PARAM_VALUE | 1 | vstate->curframe | 0-4294967294 |
| PARAM_VALUE | 1 | vstate->insn_idx | 0-4294967294 |
| PARAM_VALUE | 2 | frameno | 0-4294967294 |
| PARAM_VALUE | 3 | print_all | 1 |
| CAPPED_DATA | 0 | env->insn_idx | 1 |
| CAPPED_DATA | 0 | env->prev_insn_idx | 1 |
| CAPPED_DATA | 2 | frameno | 1 |
| DATA_SOURCE | 0 | env | $0 |
| FUZZY_MAX | 0 | env->insn_processed | 1000000 |
| BIT_INFO | 0 | env->prev_insn_idx | 0x0,0x7fffffff |
| HARD_MAX | 0 | env->insn_processed | 1000000 |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt | |
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf |
kernel/bpf/verifier.c adjust_reg_min_max_vals() -> print_verifier_state()
| 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->prog->insnsi | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate->frame | 4096-ptr_max |
| PARAM_VALUE | 3 | print_all | 1 |
| DATA_SOURCE | 0 | env | $0 |
| NOCHECK_CALL |
kernel/bpf/verifier.c adjust_reg_min_max_vals() -> print_verifier_state()
| 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->prog->insnsi | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate->frame | 4096-ptr_max |
| PARAM_VALUE | 3 | print_all | 1 |
| DATA_SOURCE | 0 | env | $0 |
| NOCHECK_CALL |
kernel/bpf/verifier.c check_func_call() -> print_verifier_state()
| 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->curframe | 0-15 |
| PARAM_VALUE | 0 | env->cur_state->frame | 4096-ptr_max |
| PARAM_VALUE | 0 | env->log.level | 1-u32max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->aux | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->insnsi | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->len | 1-u32max |
| PARAM_VALUE | 0 | env->scratched_stack_slots | u64max |
| PARAM_VALUE | 0 | env->subprog_cnt | 1-u32max |
| PARAM_VALUE | 0 | env->subprog_info | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate->curframe | 0-15 |
| PARAM_VALUE | 1 | vstate->frame | 4096-ptr_max |
| PARAM_VALUE | 3 | print_all | 1 |
| DATA_SOURCE | 0 | env | $0 |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf |
kernel/bpf/verifier.c check_func_call() -> print_verifier_state()
| 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->curframe | 0-15 |
| PARAM_VALUE | 0 | env->cur_state->frame | 4096-ptr_max |
| PARAM_VALUE | 0 | env->log.level | 1-u32max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->aux | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->insnsi | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->len | 1-u32max |
| PARAM_VALUE | 0 | env->scratched_stack_slots | u64max |
| PARAM_VALUE | 0 | env->subprog_cnt | 1-u32max |
| PARAM_VALUE | 0 | env->subprog_info | 4096-ptr_max |
| PARAM_VALUE | 0 | *env->tmp_str_buf | 0-255 |
| PARAM_VALUE | 1 | vstate | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate->curframe | 0-15 |
| PARAM_VALUE | 1 | vstate->frame | 4096-ptr_max |
| PARAM_VALUE | 2 | frameno | 0-15 |
| PARAM_VALUE | 3 | print_all | 1 |
| DATA_SOURCE | 0 | env | $0 |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf |
kernel/bpf/verifier.c prepare_func_exit() -> print_verifier_state()
| 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->insn_aux_data->btf_var.reg_type | 0,16,529,4112 |
| PARAM_VALUE | 0 | env->log.level | 1-u32max |
| PARAM_VALUE | 0 | env->ops->gen_ld_abs | 0,4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | *env->log.kbuf | 0-255 |
| PARAM_VALUE | 0 | *env->tmp_arg_name | 0-255 |
| PARAM_VALUE | 0 | *env->tmp_str_buf | 0-255 |
| PARAM_VALUE | 1 | vstate | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate->curframe | 1-2147483646 |
| PARAM_VALUE | 1 | vstate->frame | 4096-ptr_max |
| PARAM_VALUE | 3 | print_all | 1 |
| CAPPED_DATA | 1 | vstate->curframe | 1 |
| DATA_SOURCE | 0 | env | $0 |
| NOCHECK_CALL |
kernel/bpf/verifier.c prepare_func_exit() -> print_verifier_state()
| 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->insn_aux_data->btf_var.reg_type | 0,16,529,4112 |
| PARAM_VALUE | 0 | env->log.level | 1-u32max |
| PARAM_VALUE | 0 | env->ops->gen_ld_abs | 0,4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | *env->tmp_arg_name | 0-255 |
| PARAM_VALUE | 0 | *env->tmp_str_buf | 0-255 |
| PARAM_VALUE | 1 | vstate | 4096-ptr_max |
| PARAM_VALUE | 1 | vstate->curframe | 1-2147483646 |
| PARAM_VALUE | 1 | vstate->frame | 4096-ptr_max |
| PARAM_VALUE | 3 | print_all | 1 |
| CAPPED_DATA | 1 | vstate->curframe | 1 |
| DATA_SOURCE | 0 | env | $0 |
| NOCHECK_CALL |