mctp_key_unref identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/net/mctp.h, line 298 (as a prototype)

Defined in 1 files as a function:

net/mctp/route.c, line 247 (as a function)

Referenced in 4 files:

Smatch caller information:

net/mctp/route.c __mctp_key_done_in() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->dev	0
PARAM_VALUE	0	key->hlist->next->pprev	1-u64max
PARAM_VALUE	0	key->hlist.next	0
PARAM_VALUE	0	key->hlist.pprev	0
PARAM_VALUE	0	key->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->manual_alloc	0
PARAM_VALUE	0	key->reasm_dead	1
PARAM_VALUE	0	key->reasm_head	0
PARAM_VALUE	0	key->sklist->next->pprev	1-u64max
PARAM_VALUE	0	key->sklist.next	0
PARAM_VALUE	0	key->sklist.pprev	0
PARAM_VALUE	0	key->tag	0-15
PARAM_VALUE	0	key->valid	0
DATA_SOURCE	0	key	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	key->reasm_head->data_len
NO_OVERFLOW_SIMPLE	0	key->reasm_head->len
NO_OVERFLOW_SIMPLE	0	key->reasm_head->truesize
LOCK2		&net->mctp.keys_lock
LOCK2		flags
LOCK2		rcu_read
TYPE_LOCK		(struct netns_mctp)->keys_lock

net/mctp/route.c __mctp_key_done_in() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->lock.rlock.dep_map->name	0-255
CAPPED_DATA	0	key	1
DATA_SOURCE	0	key	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	key->reasm_head->data_len
NO_OVERFLOW_SIMPLE	0	key->reasm_head->len
NO_OVERFLOW_SIMPLE	0	key->reasm_head->truesize
LOCK2		rcu_read

net/mctp/route.c mctp_alloc_local_tag() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->peer_addr	1-255
PARAM_VALUE	0	key->refs.refs.counter	1
PARAM_VALUE	0	key->sk	4096-ptr_max
PARAM_VALUE	0	key->tag	0
PARAM_VALUE	0	key->valid	1
BUF_SIZE	0	key	184
DATA_SOURCE	0	key	r mctp_key_alloc
FUZZY_MAX	0	key->peer_addr	255
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	key->peer_addr	1-255

net/mctp/route.c mctp_dst_input() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->reasm_head->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	key->reasm_head->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	key->reasm_head->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	key->reasm_head->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	0	key->sk	4096-ptr_max
PARAM_VALUE	0	key->tag	0-15
PARAM_VALUE	0	key->valid	1
BUF_SIZE	0	key	184
CAPPED_DATA	0	key->tag	1
DATA_SOURCE	0	key	r mctp_key_alloc
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	key->reasm_head->csum_offset	0-u16max
HOST_DATA	0	key->reasm_head->data_len	0-u32max[c]
HOST_DATA	0	key->reasm_head->prev->csum_offset	0-u16max
HOST_DATA	0	key->reasm_head->prev->data_len	0-u32max[c]
HOST_DATA	0	key->reasm_head->prev->len	1-u32max[c]
HOST_DATA	0	key->reasm_head->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	key->reasm_head->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	key->reasm_head->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	*key->reasm_head->data	0-255
HOST_DATA	0	*key->reasm_tailp->csum_offset	0-u16max
HOST_DATA	0	*key->reasm_tailp->data_len	0-4294967295[c]
HOST_DATA	0	*key->reasm_tailp->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	*key->reasm_tailp->users.refs.counter	s32min-0,2-s32max
NO_OVERFLOW_SIMPLE	0	key->reasm_head->data_len
NO_OVERFLOW_SIMPLE	0	key->reasm_head->len
NO_OVERFLOW_SIMPLE	0	key->reasm_head->truesize
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->data_len
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->end
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->len
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->tail
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->truesize
LOCK2		rcu_read

net/mctp/route.c mctp_dst_input() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->reasm_head->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	key->reasm_head->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	key->reasm_head->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	key->reasm_head->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	0	key->tag	0-15
PARAM_VALUE	0	key->valid	1
CAPPED_DATA	0	key	1
CAPPED_DATA	0	key->tag	1
DATA_SOURCE	0	key	r mctp_lookup_key
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	key->reasm_head->csum_offset	0-u16max
HOST_DATA	0	key->reasm_head->data_len	0-u32max[c]
HOST_DATA	0	key->reasm_head->prev->csum_offset	0-u16max
HOST_DATA	0	key->reasm_head->prev->data_len	0-u32max[c]
HOST_DATA	0	key->reasm_head->prev->len	1-u32max[c]
HOST_DATA	0	key->reasm_head->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	key->reasm_head->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	key->reasm_head->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	*key->reasm_head->data	0-255
HOST_DATA	0	*key->reasm_tailp->csum_offset	0-u16max
HOST_DATA	0	*key->reasm_tailp->data_len	0-4294967295[c]
HOST_DATA	0	*key->reasm_tailp->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	*key->reasm_tailp->users.refs.counter	s32min-0,2-s32max
NO_OVERFLOW_SIMPLE	0	key->reasm_head->data_len
NO_OVERFLOW_SIMPLE	0	key->reasm_head->len
NO_OVERFLOW_SIMPLE	0	key->reasm_head->truesize
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->data_len
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->end
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->len
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->tail
NO_OVERFLOW_SIMPLE	0	*key->reasm_tailp->truesize

net/mctp/route.c mctp_dst_input() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->tag	0-15
PARAM_VALUE	0	key->valid	1
DATA_SOURCE	0	key	r mctp_lookup_key
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

net/mctp/route.c mctp_local_output() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->hlist.pprev	4096-ptr_max
PARAM_VALUE	0	key->peer_addr	1-255
PARAM_VALUE	0	key->sk	4096-ptr_max
PARAM_VALUE	0	key->sklist.pprev	4096-ptr_max
PARAM_VALUE	0	key->valid	1
BUF_SIZE	0	key	(-1),184
BUF_SIZE	0	key	(-1),184
CAPPED_DATA	0	key->peer_addr	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	key->peer_addr	1-255[c]

net/mctp/route.c mctp_test_route_input_multiple_nets_key_fini() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
NOCHECK_CALL

net/mctp/route.c mctp_test_route_input_sk_keys() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->hlist.pprev	4096-ptr_max
PARAM_VALUE	0	key->sk	4096-ptr_max
PARAM_VALUE	0	key->sklist.pprev	4096-ptr_max
PARAM_VALUE	0	key->valid	1
BUF_SIZE	0	key	184
DATA_SOURCE	0	key	r mctp_key_alloc
NOCHECK_CALL

net/core/skbuff.c skb_ext_put_mctp() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	1-u64max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&sk->sk_lock.slock
HALF_LOCKED2		bh
HALF_LOCKED2		rcu_read

net/mctp/af_mctp.c __mctp_key_remove() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->dev	0
PARAM_VALUE	0	key->hlist->next->pprev	1-u64max
PARAM_VALUE	0	key->hlist.next	0
PARAM_VALUE	0	key->hlist.pprev	0
PARAM_VALUE	0	key->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->reasm_dead	1
PARAM_VALUE	0	key->reasm_head	0
PARAM_VALUE	0	key->sklist->next->pprev	1-u64max
PARAM_VALUE	0	key->sklist.next	0
PARAM_VALUE	0	key->sklist.pprev	0
PARAM_VALUE	0	key->valid	0
BUF_SIZE	0	key	(-1),184
BUF_SIZE	0	key	(-1),184
DATA_SOURCE	0	key	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	key->peer_addr	1-255[c]
LOCK2		&net->mctp.keys_lock
LOCK2		flags
TYPE_LOCK		(struct netns_mctp)->keys_lock

net/mctp/af_mctp.c mctp_ioctl_alloctag() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->hlist->next->pprev	1-u64max
PARAM_VALUE	0	key->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	key->reasm_head->_nfct	0
PARAM_VALUE	0	key->reasm_head->_skb_refdst	0
PARAM_VALUE	0	key->reasm_head->active_extensions	0
PARAM_VALUE	0	key->reasm_head->destructor	0
PARAM_VALUE	0	key->reasm_head->sk	0
PARAM_VALUE	0	key->reasm_head->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	key->reasm_head->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev	4096-ptr_max
PARAM_VALUE	0	key->reasm_head->sk->__sk_common.skc_net.net->refcnt_tracker.dead	1
PARAM_VALUE	0	key->reasm_head->sk->sk_bpf_storage->owner_refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	key->reasm_head->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	0	key->reasm_head->sk->sk_callback_lock.owner_cpu	u32max
PARAM_VALUE	0	key->reasm_head->sk->sk_callback_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	key->reasm_head->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	0	key->reasm_head->sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	key->reasm_head->sk->sk_rcu.func	1-u64max
PARAM_VALUE	0	key->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	key->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev	4096-ptr_max
PARAM_VALUE	0	key->sk->__sk_common.skc_net.net->refcnt_tracker.dead	1
PARAM_VALUE	0	key->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	key->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	key->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	key->sk->sk_callback_lock.dep_map->name	0-255
PARAM_VALUE	0	key->sk->sk_callback_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	key->sk->sk_callback_lock.raw_lock.wlocked	0
PARAM_VALUE	0	key->sk->sk_rcu.func	1-u64max
PARAM_VALUE	0	key->sk->sk_rcu.next	0
PARAM_VALUE	0	key->sk->sk_reuseport_cb	0
PARAM_VALUE	0	key->sk->sk_user_data	0
PARAM_VALUE	0	key->sklist->next->pprev	1-u64max
BUF_SIZE	0	key	184
CAPPED_DATA	0	key	1
DATA_SOURCE	0	key	r mctp_alloc_local_tag
NOCHECK_CALL
LOCK2		&net->mctp.keys_lock
LOCK2		flags
TYPE_LOCK		(struct netns_mctp)->keys_lock

net/mctp/af_mctp.c mctp_ioctl_alloctag() -> mctp_key_unref()

Type	Parameter	Key	Value
PARAM_VALUE	0	key	4096-ptr_max
PARAM_VALUE	0	key->hlist.pprev	4096-ptr_max
PARAM_VALUE	0	key->local_addr	255
PARAM_VALUE	0	key->manual_alloc	1
PARAM_VALUE	0	key->net	1
PARAM_VALUE	0	key->peer_addr	1-255
PARAM_VALUE	0	key->sk	4096-ptr_max
PARAM_VALUE	0	key->sklist.pprev	4096-ptr_max
PARAM_VALUE	0	key->valid	1
BUF_SIZE	0	key	184
DATA_SOURCE	0	key	r mctp_alloc_local_tag
NOCHECK_CALL
USER_DATA	0	key->peer_addr	1-255