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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/eventpoll.c do_epoll_ctl_file() -> ep_remove()

Type Parameter Key Value
PARAM_VALUE 0 ep 4096-ptr_max
PARAM_VALUE 0 ep->mtx.dep_map->name 0-255
PARAM_VALUE 0 ep->mtx.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 ep->mtx.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 ep->mtx.osq.tail.counter 0-s32max
PARAM_VALUE 0 ep->rbr.rb_root.rb_node 1-u64max
PARAM_VALUE 1 epi 4096-ptr_max
BUF_SIZE 0 ep s32min-(-2),1-s32max
BUF_SIZE 0 ep s32min-(-2),1-s32max
DATA_SOURCE 1 epi r ep_find
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/eventpoll.c ep_drain_tree() -> ep_remove()

Type Parameter Key Value
PARAM_VALUE 0 ep 4096-ptr_max
PARAM_VALUE 0 ep->mtx.dep_map->name 0-255
PARAM_VALUE 0 ep->mtx.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 ep->mtx.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 ep->mtx.osq.tail.counter 0-s32max
PARAM_VALUE 0 ep->mtx.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 ep->mtx.wait_lock.owner (-1)
PARAM_VALUE 0 ep->mtx.wait_lock.owner_cpu u32max
PARAM_VALUE 1 epi 4096-ptr_max
BUF_SIZE 0 ep (-1),26
BUF_SIZE 0 ep (-1),26
DATA_SOURCE 0 ep $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 epi unit_byte
LOCK2 0 &ep->mtx
TYPE_LOCK (struct eventpoll)->mtx

fs/eventpoll.c ep_insert() -> ep_remove()

Type Parameter Key Value
PARAM_VALUE 0 ep 4096-ptr_max
PARAM_VALUE 0 ep->mtx.dep_map->name 0-255
PARAM_VALUE 0 ep->mtx.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 ep->mtx.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 ep->mtx.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 ep->mtx.osq.tail.counter 0-s32max
PARAM_VALUE 0 ep->rbr.rb_leftmost 4096-ptr_max
PARAM_VALUE 0 ep->rbr.rb_leftmost->rb_left 0
PARAM_VALUE 0 ep->rbr.rb_leftmost->rb_right 0
PARAM_VALUE 0 ep->rbr.rb_root.rb_node 4096-ptr_max
PARAM_VALUE 0 ep->user 4096-ptr_max
PARAM_VALUE 0 ep->user->epoll_watches.lock.dep_map->name 0-255
PARAM_VALUE 1 epi 4096-ptr_max
PARAM_VALUE 1 epi->ep 4096-ptr_max
PARAM_VALUE 1 epi->ep->mtx.first_waiter 0,4096-ptr_max
PARAM_VALUE 1 epi->ep->mtx.osq.tail.counter 0-s32max
PARAM_VALUE 1 epi->ep->user 4096-ptr_max
PARAM_VALUE 1 epi->event.events 0,8-u32max
PARAM_VALUE 1 epi->ffd.file 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_ep 1-u64max
PARAM_VALUE 1 epi->ffd.file->f_ep->first 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_ep->first->pprev 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 epi->fllink.pprev 4096-ptr_max
PARAM_VALUE 1 epi->ovflist_next (-1)
PARAM_VALUE 1 epi->rbn.__rb_parent_color 1
PARAM_VALUE 1 epi->rbn.rb_left 4096-ptr_max
PARAM_VALUE 1 epi->rbn.rb_right 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.next->next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev->next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev->prev 4096-ptr_max
PARAM_VALUE 1 *epi->ffd.file->f_ep->first->pprev 1-u64max
BUF_SIZE 0 ep s32min-(-2),1-s32max
BUF_SIZE 0 ep s32min-(-2),1-s32max
BUF_SIZE 1 epi->ep s32min-(-2),1-s32max
CAPPED_DATA 1 epi 1
DATA_SOURCE 0 ep $1
DATA_SOURCE 1 epi r ep_alloc_epitem
BIT_INFO 1 epi->event.events 0x18,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 1 epi->event.data 0-u64max
USER_DATA 1 epi->event.events 0,8-u32max
USER_DATA 1 epi->ffd.fd s32min-s32max

fs/eventpoll.c ep_insert() -> ep_remove()

Type Parameter Key Value
PARAM_VALUE 0 ep 4096-ptr_max
PARAM_VALUE 0 ep->mtx.dep_map->name 0-255
PARAM_VALUE 0 ep->mtx.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 ep->mtx.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 ep->mtx.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 ep->mtx.osq.tail.counter 0-s32max
PARAM_VALUE 0 ep->rbr.rb_leftmost 4096-ptr_max
PARAM_VALUE 0 ep->rbr.rb_leftmost->rb_left 0
PARAM_VALUE 0 ep->rbr.rb_leftmost->rb_right 0
PARAM_VALUE 0 ep->rbr.rb_root.rb_node 4096-ptr_max
PARAM_VALUE 0 ep->user 4096-ptr_max
PARAM_VALUE 0 ep->user->epoll_watches.lock.dep_map->name 0-255
PARAM_VALUE 1 epi 4096-ptr_max
PARAM_VALUE 1 epi->ep 4096-ptr_max
PARAM_VALUE 1 epi->ep->mtx.first_waiter 0,4096-ptr_max
PARAM_VALUE 1 epi->ep->mtx.osq.tail.counter 0-s32max
PARAM_VALUE 1 epi->ep->user 4096-ptr_max
PARAM_VALUE 1 epi->ep->ws->entry.next 4096-ptr_max
PARAM_VALUE 1 epi->ep->ws->entry.prev 7526613115932463104
PARAM_VALUE 1 epi->ep->ws->entry.prev->prev 7526613115932463104
PARAM_VALUE 1 epi->ep->ws->id 0-s32max
PARAM_VALUE 1 epi->ep->ws->name 4096-ptr_max
PARAM_VALUE 1 epi->ep->ws->timer.flags 0-4194302
PARAM_VALUE 1 epi->ep->ws->timer.lockdep_map->name 0-255
PARAM_VALUE 1 epi->event.events 0,8-u32max
PARAM_VALUE 1 epi->ffd.file 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_ep 1-u64max
PARAM_VALUE 1 epi->ffd.file->f_ep->first 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_ep->first->pprev 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 epi->fllink.pprev 4096-ptr_max
PARAM_VALUE 1 epi->ovflist_next (-1)
PARAM_VALUE 1 epi->rbn.__rb_parent_color 1
PARAM_VALUE 1 epi->rbn.rb_left 4096-ptr_max
PARAM_VALUE 1 epi->rbn.rb_right 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.next->next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev->next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev->prev 4096-ptr_max
PARAM_VALUE 1 *epi->ffd.file->f_ep->first->pprev 1-u64max
BUF_SIZE 0 ep s32min-(-2),1-s32max
BUF_SIZE 0 ep s32min-(-2),1-s32max
BUF_SIZE 1 epi->ep s32min-(-2),1-s32max
CAPPED_DATA 1 epi 1
DATA_SOURCE 0 ep $1
DATA_SOURCE 1 epi r ep_alloc_epitem
BIT_INFO 1 epi->event.events 0x20000018,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 1 epi->event.data 0-u64max
USER_DATA 1 epi->event.events 0,8-u32max
USER_DATA 1 epi->ffd.fd s32min-s32max

fs/eventpoll.c ep_insert() -> ep_remove()

Type Parameter Key Value
PARAM_VALUE 0 ep 4096-ptr_max
PARAM_VALUE 0 ep->mtx.dep_map->name 0-255
PARAM_VALUE 0 ep->mtx.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 ep->mtx.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 ep->mtx.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 ep->mtx.osq.tail.counter 0-s32max
PARAM_VALUE 0 ep->rbr.rb_leftmost 4096-ptr_max
PARAM_VALUE 0 ep->rbr.rb_leftmost->rb_left 0
PARAM_VALUE 0 ep->rbr.rb_leftmost->rb_right 0
PARAM_VALUE 0 ep->rbr.rb_root.rb_node 4096-ptr_max
PARAM_VALUE 0 ep->user 4096-ptr_max
PARAM_VALUE 0 ep->user->epoll_watches.lock.dep_map->name 0-255
PARAM_VALUE 1 epi->ep 4096-ptr_max
PARAM_VALUE 1 epi->ep->mtx.first_waiter 0,4096-ptr_max
PARAM_VALUE 1 epi->ep->mtx.osq.tail.counter 0-s32max
PARAM_VALUE 1 epi->ep->user 4096-ptr_max
PARAM_VALUE 1 epi->event.events 0,8-u32max
PARAM_VALUE 1 epi->ffd.file 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_ep 1-u64max
PARAM_VALUE 1 epi->ffd.file->f_ep->first 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_ep->first->pprev 4096-ptr_max
PARAM_VALUE 1 epi->ffd.file->f_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 epi->fllink.pprev 4096-ptr_max
PARAM_VALUE 1 epi->ovflist_next (-1)
PARAM_VALUE 1 epi->rbn.__rb_parent_color 1
PARAM_VALUE 1 epi->rbn.rb_left 4096-ptr_max
PARAM_VALUE 1 epi->rbn.rb_right 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.next->next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev->next 4096-ptr_max
PARAM_VALUE 1 epi->rdllink.prev->prev 4096-ptr_max
PARAM_VALUE 1 *epi->ffd.file->f_ep->first->pprev 1-u64max
BUF_SIZE 0 ep s32min-(-2),1-s32max
BUF_SIZE 0 ep s32min-(-2),1-s32max
BUF_SIZE 1 epi->ep s32min-(-2),1-s32max
CAPPED_DATA 1 epi 1
DATA_SOURCE 0 ep $1
DATA_SOURCE 1 epi r ep_alloc_epitem
BIT_INFO 1 epi->event.events 0x18,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 1 epi->event.data 0-u64max
USER_DATA 1 epi->event.events 0,8-u32max
USER_DATA 1 epi->ffd.fd s32min-s32max