Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/bpf/arena.c arena_free_pages() -> zap_pages()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | arena | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->kern_vm | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg | 0,4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg->memcg | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg->memcg->css.refcnt.percpu_count_ptr | 1-u64max |
| PARAM_VALUE | 0 | arena->spinlock.locked | 0 |
| PARAM_VALUE | 1 | uaddr | s64min-(-2),0,4096-4294963200,4294967296-s64max |
| PARAM_VALUE | 2 | page_cnt | 2-4503599627370495 |
| CAPPED_DATA | 0 | arena->user_vm_start | 1 |
| CAPPED_DATA | 0 | &arena->spinlock | 1 |
| CAPPED_DATA | 1 | uaddr | 1 |
| DATA_SOURCE | 0 | arena | $0 |
| PARAM_COMPARE | 0 | arena->user_vm_start | <= $1 |
| PARAM_COMPARE | 1 | uaddr | >= $0->user_vm_start |
| NOCHECK_CALL | |||
| UNITS | 1 | uaddr | unit_byte |
| UNITS | 2 | page_cnt | unit_page |
kernel/bpf/arena.c arena_free_pages() -> zap_pages()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | arena | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->kern_vm | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg | 0,4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg->memcg | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg->memcg->css.refcnt.percpu_count_ptr | 1-u64max |
| PARAM_VALUE | 0 | arena->spinlock.locked | 0 |
| PARAM_VALUE | 1 | uaddr | s64min-(-2),0,4096-4294963200,4294967296-s64max |
| PARAM_VALUE | 2 | page_cnt | 1 |
| CAPPED_DATA | 0 | arena->user_vm_start | 1 |
| CAPPED_DATA | 0 | &arena->spinlock | 1 |
| CAPPED_DATA | 1 | uaddr | 1 |
| DATA_SOURCE | 0 | arena | $0 |
| PARAM_COMPARE | 0 | arena->user_vm_start | <= $1 |
| PARAM_COMPARE | 1 | uaddr | >= $0->user_vm_start |
| NOCHECK_CALL | |||
| UNITS | 1 | uaddr | unit_byte |
kernel/bpf/arena.c arena_free_worker() -> zap_pages()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | arena | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->kern_vm | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg | 0,4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg->memcg | 4096-ptr_max |
| PARAM_VALUE | 0 | arena->map.objcg->memcg->css.refcnt.percpu_count_ptr | 1-u64max |
| PARAM_VALUE | 0 | arena->spinlock.locked | 0 |
| PARAM_VALUE | 2 | page_cnt | 0-4294967295 |
| CAPPED_DATA | 0 | &arena->spinlock | 1 |
| NOCHECK_CALL | |||
| UNITS | 1 | uaddr | unit_byte |
| UNITS | 2 | page_cnt | unit_page |
| HALF_LOCKED2 | &pool->lock |