Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 3 files:
Smatch caller information:
kernel/bpf/backtrack.c backtrack_insn() -> bpf_subprog_is_global()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 1 | subprog | 0-s32max |
| BUF_SIZE | 0 | env->cur_state | (-1),232 |
| CAPPED_DATA | 0 | env->prog->len | 1 |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | subprog | r bpf_find_subprog |
| STR_LEN | 0 | env | (-1),2,11 |
| STR_LEN | 0 | env | (-1),2,11 |
| NO_OVERFLOW_SIMPLE | 0 | env->cur_state->jmp_history_cnt |
kernel/bpf/liveness.c bpf_compute_subprog_arg_access() -> bpf_subprog_is_global()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| BUF_SIZE | 0 | env->callsite_at_stack | 0-u64max |
| DATA_SOURCE | 0 | env | $0 |
| NO_OVERFLOW_SIMPLE | 0 | env->subprog_cnt |
kernel/bpf/verifier.c check_func_call() -> bpf_subprog_is_global()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->aux | 4096-ptr_max |
| PARAM_VALUE | 1 | subprog | 0-s32max |
| DATA_SOURCE | 0 | env | $0 |
| DATA_SOURCE | 1 | subprog | r bpf_find_subprog |
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf |
kernel/bpf/verifier.c check_max_stack_depth_subprog() -> bpf_subprog_is_global()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 1 | subprog | 0-s32max |
| CAPPED_DATA | 0 | env->subprog_cnt | 1 |
| DATA_SOURCE | 0 | env | $0 |
| NO_OVERFLOW_SIMPLE | 0 | env->log.kbuf | |
| NO_OVERFLOW_SIMPLE | 0 | env->subprog_cnt |
kernel/bpf/verifier.c do_check_subprogs() -> bpf_subprog_is_global()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog | 4096-ptr_max |
| PARAM_VALUE | 0 | env->prog->aux | 4096-ptr_max |
| PARAM_VALUE | 1 | subprog | 1-s32max |
| CAPPED_DATA | 1 | subprog | 1 |
| DATA_SOURCE | 0 | env | $0 |
| FUZZY_MAX | 1 | subprog | 1 |
| PARAM_COMPARE | 0 | env->subprog_cnt | > $1 |
| PARAM_COMPARE | 1 | subprog | < $0->subprog_cnt |
| CONSTRAINT | 1 | subprog | <4111 |
| UNITS | 1 | subprog | unit_array_size |
kernel/bpf/verifier.c print_verification_stats() -> bpf_subprog_is_global()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | env | 4096-ptr_max |
| PARAM_VALUE | 1 | subprog | 1-s32max |
| CAPPED_DATA | 1 | subprog | 1 |
| DATA_SOURCE | 0 | env | $0 |
| BIT_INFO | 0 | env->log.level | 0x4,0xffffffffffffffff |