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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/bpf/hashtab.c __bpf_hash_map_seq_show() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
DATA_SOURCE 0 l $1
RX_PATH
TASK_NOT_RUNNING
UNITS 1 key_size unit_byte
LOCK2 &seq->lock
TYPE_LOCK (struct seq_file)->lock

kernel/bpf/hashtab.c __htab_lru_percpu_map_update_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 0 l->hash 1
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r lookup_elem_raw
PREEMPT_ADD <- disables preempt
UNITS 1 key_size unit_byte
LOCK2 flags
HALF_LOCKED2 rcu_read

kernel/bpf/hashtab.c __htab_lru_percpu_map_update_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 0,4096-ptr_max
PREEMPT_ADD <- disables preempt
USER_DATA 0 *l->key 0-255
UNITS 1 key_size unit_byte
USER_PTR 0 l->key
LOCK2 flags
HALF_LOCKED2 rcu_read

kernel/bpf/hashtab.c __htab_map_lookup_and_delete_batch() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
UNITS 1 key_size unit_byte
LOCK2 rcu_read
HALF_LOCKED2 flags

kernel/bpf/hashtab.c __htab_map_lookup_and_delete_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
PARAM_VALUE 1 key_size 0-s32max
CAPPED_DATA 0 l->hash 1
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r lookup_elem_raw
PREEMPT_ADD <- disables preempt
UNITS 1 key_size unit_byte
LOCK2 flags
LOCK2 rcu_read

kernel/bpf/hashtab.c alloc_htab_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
PARAM_VALUE 1 key_size 0-u32max
DATA_SOURCE 1 key_size $3
PREEMPT_ADD
USER_DATA 0 *l->key 0-255
UNITS 1 key_size unit_byte
USER_PTR 0 l->key
LOCK2 flags
HALF_LOCKED2 rcu_read

kernel/bpf/hashtab.c bpf_for_each_hash_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
UNITS 1 key_size unit_byte
LOCK2 rcu_read

kernel/bpf/hashtab.c bpf_percpu_hash_copy() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r __htab_map_lookup_elem
UNITS 1 key_size unit_byte
LOCK2 rcu_read

kernel/bpf/hashtab.c check_and_cancel_fields() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 0 l 1
DATA_SOURCE 0 l $1
PREEMPT_ADD
UNITS 1 key_size unit_byte
HALF_LOCKED2 flags

kernel/bpf/hashtab.c htab_free_elems() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
UNITS 1 key_size unit_byte

kernel/bpf/hashtab.c htab_free_prealloced_fields() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
DATA_SOURCE 0 l r get_htab_elem
UNITS 1 key_size unit_byte

kernel/bpf/hashtab.c htab_lru_percpu_map_lookup_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r __htab_map_lookup_elem
UNITS 1 key_size unit_byte
HALF_LOCKED2 rcu_read

kernel/bpf/hashtab.c htab_lru_percpu_map_lookup_percpu_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r __htab_map_lookup_elem
UNITS 1 key_size unit_byte

kernel/bpf/hashtab.c htab_map_update_elem_in_place() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 0 l->hash 1
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r lookup_elem_raw
PREEMPT_ADD <- disables preempt
UNITS 1 key_size unit_byte
LOCK2 flags
HALF_LOCKED2 rcu_read

kernel/bpf/hashtab.c htab_percpu_map_lookup_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r __htab_map_lookup_elem
UNITS 1 key_size unit_byte
HALF_LOCKED2 rcu_read

kernel/bpf/hashtab.c htab_percpu_map_lookup_percpu_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r __htab_map_lookup_elem
UNITS 1 key_size unit_byte

kernel/bpf/hashtab.c htab_percpu_map_seq_show_elem() -> htab_elem_get_ptr()

Type Parameter Key Value
PARAM_VALUE 0 l 4096-ptr_max
CAPPED_DATA 1 key_size 1
DATA_SOURCE 0 l r __htab_map_lookup_elem
RX_PATH
TASK_NOT_RUNNING
UNITS 1 key_size unit_byte
LOCK2 &m->lock
LOCK2 rcu_read
TYPE_LOCK (struct seq_file)->lock