Defined in 1 files as a prototype:
Defined in 2 files as a function:
- kernel/bpf/syscall.c, line 810 (as a function)
- tools/testing/selftests/bpf/progs/htab_update.c, line 26 (as a function)
Referenced in 3 files:
- kernel/bpf/arraymap.c
- kernel/bpf/hashtab.c
- tools/testing/selftests/bpf/prog_tests/htab_update.c, line 26
Smatch caller information:
kernel/bpf/arraymap.c array_map_update_elem() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->ops | 4096-ptr_max |
| PARAM_VALUE | 0 | map->ops->map_update_batch | 0,7911141981172039680 |
| PARAM_VALUE | 0 | map->record | 0,4096-u64max |
| PARAM_VALUE | 0 | map->record->cnt | 0-s32max |
| BUF_SIZE | 0 | map | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | map | s32min-(-1),1-s32max |
| DATA_SOURCE | 0 | map | $0 |
| NOCHECK_CALL | |||
| HALF_LOCKED2 | rcu_read |
kernel/bpf/arraymap.c array_map_update_elem() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->ops | 4096-ptr_max |
| PARAM_VALUE | 0 | map->ops->map_release | 0,4096-ptr_max |
| PARAM_VALUE | 0 | map->ops->map_update_batch | 0,7911141981172039680 |
| PARAM_VALUE | 0 | map->record | 0,4096-u64max |
| PARAM_VALUE | 0 | map->record->cnt | 0-s32max |
| PARAM_VALUE | 1 | obj | 4096-ptr_max |
| BUF_SIZE | 0 | map | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | map | s32min-(-1),1-s32max |
| CAPPED_DATA | 0 | map->record->cnt | 1 |
| DATA_SOURCE | 0 | map | $0 |
| NOCHECK_CALL | |||
| HALF_LOCKED2 | rcu_read |
kernel/bpf/arraymap.c bpf_percpu_array_update() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->map_type | 6 |
| PARAM_VALUE | 0 | map->ops | 0-8176211074560897023,8176211074560897025-u64max |
| PARAM_VALUE | 0 | map->ops->map_update_batch | 0,7911141981172039680 |
| PARAM_VALUE | 0 | map->record | 0,4096-u64max |
| PARAM_VALUE | 0 | map->record->cnt | 0-s32max |
| BUF_SIZE | 0 | map | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | map | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | map | $0 |
| NOCHECK_CALL | |||
| LOCK2 | rcu_read |
kernel/bpf/arraymap.c bpf_percpu_array_update() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->map_type | 6 |
| PARAM_VALUE | 0 | map->ops | 0-8176211074560897023,8176211074560897025-u64max |
| PARAM_VALUE | 0 | map->ops->map_update_batch | 0,7911141981172039680 |
| PARAM_VALUE | 0 | map->record | 0,4096-u64max |
| PARAM_VALUE | 0 | map->record->cnt | 0-s32max |
| BUF_SIZE | 0 | map | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | map | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | map | $0 |
| NOCHECK_CALL | |||
| LOCK2 | rcu_read |
kernel/bpf/hashtab.c check_and_cancel_fields() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->map_type | 5,10 |
| PARAM_VALUE | 0 | map->record | 1-ptr_max |
| PREEMPT_ADD | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | flags |
kernel/bpf/hashtab.c check_and_cancel_fields() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->map_type | 0-4,6-9,11-u32max |
| PARAM_VALUE | 0 | map->record | 1-ptr_max |
| PARAM_VALUE | 1 | obj | 4096-ptr_max |
| DATA_SOURCE | 1 | obj | r htab_elem_value |
| PREEMPT_ADD | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | flags |
kernel/bpf/hashtab.c pcpu_copy_value() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->record | 0,4096-u64max |
| PREEMPT_ADD | |||
| NOCHECK_CALL | |||
| LOCK2 | flags | ||
| HALF_LOCKED2 | rcu_read |
kernel/bpf/hashtab.c pcpu_copy_value() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->record | 0,4096-u64max |
| PREEMPT_ADD | |||
| NOCHECK_CALL | |||
| LOCK2 | flags | ||
| HALF_LOCKED2 | rcu_read |
kernel/bpf/hashtab.c pcpu_copy_value() -> bpf_obj_cancel_fields()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->record | 0,4096-u64max |
| PREEMPT_ADD | |||
| NOCHECK_CALL | |||
| LOCK2 | flags | ||
| HALF_LOCKED2 | rcu_read |