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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/block/drbd/drbd_main.c _drbd_send_page() -> we_should_drop_the_connection()

Type Parameter Key Value
PARAM_VALUE 0 connection 4096-ptr_max
PARAM_VALUE 0 connection->ack_receiver.task->signal->flags 0,2-u32max
PARAM_VALUE 0 connection->cstate_mutex->first_waiter->task->blocked_lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 connection->cstate_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 connection->cstate_mutex.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 connection->cstate_mutex.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 connection->data.sbuf 4096-ptr_max
PARAM_VALUE 0 connection->data.sbuf->length 0-s32max
PARAM_VALUE 0 connection->data.sbuf->magic 33626,2205418087,2250304544
PARAM_VALUE 0 connection->data.socket 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_bind_node->pprev 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_bind_node.pprev 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_net.net->ipv4.ping_port_rover 1-u16max
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_net.net->mctp.bind_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_node.next->pprev 1-u64max
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_prot->h.smc_hash->lock.owner (-1)
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_prot->h.smc_hash->lock.owner_cpu 4294967295
PARAM_VALUE 0 connection->data.socket->sk->__sk_common.skc_u16hashes 0-u32max
PARAM_VALUE 0 connection->data.socket->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 connection->data.socket->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 connection->data.socket->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 connection->data.socket->sk->sk_backlog.head->cb->type 4
PARAM_VALUE 0 connection->data.socket->sk->sk_backlog.head->dev->flags 1-u32max
PARAM_VALUE 0 connection->data.socket->sk->sk_backlog.head->extensions->refcnt.refs.counter 1
PARAM_VALUE 0 connection->data.socket->sk->sk_dst_cache->callback_head.func 1-u64max
PARAM_VALUE 0 connection->data.socket->sk->sk_dst_cache->ops->pcpuc_entries.lock.owner (-1)
PARAM_VALUE 0 connection->data.socket->sk->sk_dst_cache->ops->pcpuc_entries.lock.owner_cpu u32max
PARAM_VALUE 0 connection->data.socket->sk->sk_error_queue.next->prev 2011684551238094848
PARAM_VALUE 0 connection->data.socket->sk->sk_lock.dep_map->name 0-255
PARAM_VALUE 0 connection->data.socket->sk->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 0 connection->data.socket->sk->sk_lock.wq.head.prev->next 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk->sk_lock.wq.head.prev->next->next 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk->sk_memcg->high_work.entry.next->prev 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 connection->data.socket->sk->sk_reuseport_cb->rcu.flags 0-4294967295
PARAM_VALUE 0 connection->data.socket->sk->sk_reuseport_cb->rcu.is_hard 0-1
PARAM_VALUE 0 connection->data.socket->sk->sk_reuseport_cb->rcu.is_lazy 0-1
PARAM_VALUE 0 connection->data.socket->sk->sk_reuseport_cb->rcu.is_queued 0-1
PARAM_VALUE 0 connection->data.socket->sk->sk_reuseport_cb->rcu.is_soft 0-1
PARAM_VALUE 0 connection->data.socket->sk->sk_user_data->work.is_queued 0-1
PARAM_VALUE 0 connection->data.socket->sk->sobject 0-u16max
PARAM_VALUE 0 connection->data.socket->sk->tcp_retransmit_timer->entry.pprev 4096-ptr_max
PARAM_VALUE 0 connection->resource->req_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 *connection->data->socket->sk->sk_backlog.head->cb->data_end (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 *connection->data->socket->sk->sk_backlog.head->dev->name 0-255
PARAM_VALUE 0 *connection->data.socket->sk->sk_backlog.head->cb->data_end (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 *connection->data.socket->sk->sk_backlog.head->data->hdr 0-4294967295
PARAM_VALUE 0 *connection->data.socket->sk->sk_backlog.head->dev->name 0-255
PARAM_VALUE 1 sock 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_bind_node->pprev 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_bind_node.pprev 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->ipv4.ping_port_rover 1-u16max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->mctp.bind_lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->mctp.bind_lock.osq.tail.counter 0-s32max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 1 sock->sk->__sk_common.skc_node.next->pprev 1-u64max
PARAM_VALUE 1 sock->sk->__sk_common.skc_prot->h.smc_hash->lock.owner (-1)
PARAM_VALUE 1 sock->sk->__sk_common.skc_prot->h.smc_hash->lock.owner_cpu 4294967295
PARAM_VALUE 1 sock->sk->__sk_common.skc_prot->h.smc_hash->lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 1 sock->sk->__sk_common.skc_u16hashes 0-u32max
PARAM_VALUE 1 sock->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 sock->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 sock->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 sock->sk->sk_backlog.head->cb->type 4
PARAM_VALUE 1 sock->sk->sk_backlog.head->dev->flags 1-u32max
PARAM_VALUE 1 sock->sk->sk_backlog.head->extensions->refcnt.refs.counter 1
PARAM_VALUE 1 sock->sk->sk_dst_cache->callback_head.func 1-u64max
PARAM_VALUE 1 sock->sk->sk_dst_cache->ops->pcpuc_entries.lock.owner (-1)
PARAM_VALUE 1 sock->sk->sk_dst_cache->ops->pcpuc_entries.lock.owner_cpu u32max
PARAM_VALUE 1 sock->sk->sk_error_queue.next->prev 2011684551238094848
PARAM_VALUE 1 sock->sk->sk_lock.dep_map->name 0-255
PARAM_VALUE 1 sock->sk->sk_lock.owned 0
PARAM_VALUE 1 sock->sk->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 1 sock->sk->sk_lock.wq.head.prev->next 4096-ptr_max
PARAM_VALUE 1 sock->sk->sk_lock.wq.head.prev->next->next 4096-ptr_max
PARAM_VALUE 1 sock->sk->sk_memcg->high_work.entry.next->prev 4096-ptr_max
PARAM_VALUE 1 sock->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 sock->sk->sk_reuseport_cb->rcu.is_hard 0-1
PARAM_VALUE 1 sock->sk->sk_reuseport_cb->rcu.is_lazy 0-1
PARAM_VALUE 1 sock->sk->sk_reuseport_cb->rcu.is_soft 0-1
PARAM_VALUE 1 sock->sk->sk_user_data->work.is_queued 0-1
PARAM_VALUE 1 sock->sk->sobject 0-u16max
PARAM_VALUE 1 sock->sk->tcp_retransmit_timer->entry.pprev 4096-ptr_max
PARAM_VALUE 1 *sock->sk->sk_backlog.head->cb->data_end (-4611686018427387904)-4611686018427387903
PARAM_VALUE 1 *sock->sk->sk_backlog.head->data->hdr 0-4294967295
PARAM_VALUE 1 *sock->sk->sk_backlog.head->dev->name 0-255
CAPPED_DATA 0 connection->data.socket 1
CAPPED_DATA 1 sock 1
LOCK2 &sock->mutex
TYPE_LOCK (struct drbd_socket)->mutex

drivers/block/drbd/drbd_main.c drbd_send() -> we_should_drop_the_connection()

Type Parameter Key Value
PARAM_VALUE 0 connection 4096-ptr_max
PARAM_VALUE 0 connection->data.socket->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 connection->data.socket->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 connection->data.socket->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 sock 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_bind_node->pprev 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_bind_node.pprev 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->ipv4.ping_port_rover 1-u16max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->mctp.bind_lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->mctp.bind_lock.osq.tail.counter 0-s32max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev 4096-ptr_max
PARAM_VALUE 1 sock->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 1 sock->sk->__sk_common.skc_node.next->pprev 1-u64max
PARAM_VALUE 1 sock->sk->__sk_common.skc_prot->h.smc_hash->lock.owner (-1)
PARAM_VALUE 1 sock->sk->__sk_common.skc_prot->h.smc_hash->lock.owner_cpu 4294967295
PARAM_VALUE 1 sock->sk->__sk_common.skc_prot->h.smc_hash->lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 1 sock->sk->__sk_common.skc_u16hashes 0-u32max
PARAM_VALUE 1 sock->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 sock->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 sock->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 sock->sk->sk_backlog.head->cb->type 4
PARAM_VALUE 1 sock->sk->sk_backlog.head->dev->flags 1-u32max
PARAM_VALUE 1 sock->sk->sk_backlog.head->extensions->refcnt.refs.counter 1
PARAM_VALUE 1 sock->sk->sk_dst_cache->callback_head.func 1-u64max
PARAM_VALUE 1 sock->sk->sk_dst_cache->ops->pcpuc_entries.lock.owner (-1)
PARAM_VALUE 1 sock->sk->sk_dst_cache->ops->pcpuc_entries.lock.owner_cpu u32max
PARAM_VALUE 1 sock->sk->sk_error_queue.next->prev 2011684551238094848
PARAM_VALUE 1 sock->sk->sk_lock.dep_map->name 0-255
PARAM_VALUE 1 sock->sk->sk_lock.owned 0
PARAM_VALUE 1 sock->sk->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 1 sock->sk->sk_lock.wq.head.prev->next 4096-ptr_max
PARAM_VALUE 1 sock->sk->sk_lock.wq.head.prev->next->next 4096-ptr_max
PARAM_VALUE 1 sock->sk->sk_memcg->high_work.entry.next->prev 4096-ptr_max
PARAM_VALUE 1 sock->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 sock->sk->sk_reuseport_cb->rcu.is_hard 0-1
PARAM_VALUE 1 sock->sk->sk_reuseport_cb->rcu.is_lazy 0-1
PARAM_VALUE 1 sock->sk->sk_reuseport_cb->rcu.is_soft 0-1
PARAM_VALUE 1 sock->sk->sk_user_data->work.is_queued 0-1
PARAM_VALUE 1 sock->sk->sobject 0-u16max
PARAM_VALUE 1 sock->sk->tcp_retransmit_timer->entry.pprev 4096-ptr_max
PARAM_VALUE 1 *sock->sk->sk_backlog.head->cb->data_end (-4611686018427387904)-4611686018427387903
PARAM_VALUE 1 *sock->sk->sk_backlog.head->data->hdr 0-4294967295
PARAM_VALUE 1 *sock->sk->sk_backlog.head->dev->name 0-255
CAPPED_DATA 1 sock 1
DATA_SOURCE 0 connection $0
DATA_SOURCE 1 sock $1
STR_LEN 0 connection (-1)-0
STR_LEN 0 connection (-1)-0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 connection->ack_sender->rescuer
NO_OVERFLOW_SIMPLE 0 connection->ack_sender->rescuer->task->dl.dl_runtime
NO_OVERFLOW_SIMPLE 0 connection->ack_sender->rescuer->task->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE 0 connection->data.socket->sk->sk_write_queue.next->truesize
NO_OVERFLOW_SIMPLE 0 connection->meta.socket->sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE 0 connection->meta.socket->sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE 1 sock->sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE 1 sock->sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 1 sock->sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE 1 sock->sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE 1 sock->sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE 1 sock->sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE 1 sock->sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE 1 sock->sk->sk_write_queue.next->truesize
HALF_LOCKED2 &sock->mutex
HALF_LOCKED2 0 &connection->cstate_mutex
HALF_LOCKED2 0 &connection->data.mutex
HALF_LOCKED2 0 &connection->resource->conf_update
TYPE_LOCK (struct drbd_socket)->mutex