Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
net/core/sock_map.c sock_hash_delete_elem() -> sock_hash_free_elem()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | htab | 4096-ptr_max |
| PARAM_VALUE | 1 | elem | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->node->next->pprev | 1-u64max |
| PARAM_VALUE | 1 | elem->sk | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->sk->sk_callback_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | elem->sk->sk_user_data | 0 |
| CAPPED_DATA | 1 | elem | 1 |
| CAPPED_DATA | 1 | elem->hash | 1 |
| DATA_SOURCE | 1 | elem | r sock_hash_lookup_elem_raw |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | &bucket->lock | ||
| LOCK2 | bh | ||
| HALF_LOCKED2 | rcu_read | ||
| TYPE_LOCK | (struct bpf_shtab_bucket)->lock |
net/core/sock_map.c sock_hash_delete_from_link() -> sock_hash_free_elem()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | htab | 4096-ptr_max |
| PARAM_VALUE | 1 | elem | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->node->next->pprev | 1-u64max |
| PARAM_VALUE | 1 | elem->sk | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->sk->sk_callback_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | elem->sk->sk_user_data | 0 |
| CAPPED_DATA | 1 | elem | 1 |
| CAPPED_DATA | 1 | elem->hash | 1 |
| DATA_SOURCE | 1 | elem | $2 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &bucket->lock | ||
| LOCK2 | bh | ||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &sk->__sk_common.skc_net.net->ipv4.ra_mutex | ||
| HALF_LOCKED2 | &sk->__sk_common.skc_net.net->mctp.keys_lock | ||
| HALF_LOCKED2 | &sk->sk_callback_lock | ||
| HALF_LOCKED2 | &sk->sk_lock.slock | ||
| HALF_LOCKED2 | sk | ||
| TYPE_LOCK | (struct bpf_shtab_bucket)->lock |
net/core/sock_map.c sock_hash_free() -> sock_hash_free_elem()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | htab | 4096-ptr_max |
| PARAM_VALUE | 0 | htab->buckets_num | 1-u32max |
| PARAM_VALUE | 1 | elem | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->node->next->pprev | 1-u64max |
| PARAM_VALUE | 1 | elem->sk | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->sk->sk_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | elem->sk->sk_lock.owned | 0 |
| PARAM_VALUE | 1 | elem->sk->sk_lock.slock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | elem->sk->sk_lock.wq.head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->sk->sk_lock.wq.head.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 1 | *elem->sk->sk_backlog.head->dev->name | 0-255 |
| CAPPED_DATA | 1 | elem | 1 |
| CAPPED_DATA | 1 | elem->sk | 1 |
| NOCHECK_CALL |
net/core/sock_map.c sock_hash_update_common() -> sock_hash_free_elem()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | htab | 4096-ptr_max |
| PARAM_VALUE | 0 | htab->map.objcg | 0,4096-ptr_max |
| PARAM_VALUE | 0 | htab->map.objcg->memcg | 4096-ptr_max |
| PARAM_VALUE | 0 | htab->map.objcg->memcg->css.refcnt.percpu_count_ptr | 1-u64max |
| PARAM_VALUE | 1 | elem | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->node->next->pprev | 1-u64max |
| PARAM_VALUE | 1 | elem->sk | 4096-ptr_max |
| PARAM_VALUE | 1 | elem->sk->sk_callback_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | elem->sk->sk_user_data | 0 |
| CAPPED_DATA | 1 | elem | 1 |
| CAPPED_DATA | 1 | elem->hash | 1 |
| DATA_SOURCE | 1 | elem | r sock_hash_lookup_elem_raw |
| PREEMPT_ADD | |||
| NOCHECK_CALL | |||
| LOCK2 | &bucket->lock | ||
| LOCK2 | bh | ||
| HALF_LOCKED2 | &sk->sk_lock.slock | ||
| TYPE_LOCK | (struct bpf_shtab_bucket)->lock |