is_kfence_address identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/kfence.h, line 33

Defined in 2 files as a function:

Referenced in 17 files:

Smatch caller information:

mm/memcontrol.c __memcg_slab_post_alloc_hook() -> is_kfence_address()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING

mm/kfence/kfence_test.c obj_to_index() -> is_kfence_address()

Type	Key	Value
BUF_SIZE	addr	(-1)-s32max
BUF_SIZE	addr	(-1)-s32max
CAPPED_DATA	addr	1
DATA_SOURCE	addr	$2

mm/kfence/kfence_test.c test_alloc() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	0-u32max,u64max
BUF_SIZE	0	addr	0-u32max,u64max

mm/kfence/kfence_test.c test_memcache_alloc_bulk() -> is_kfence_address()

Type	Parameter	Key	Value

mm/slub.c __check_heap_object() -> is_kfence_address()

Type	Key	Value
PARAM_VALUE	addr	17-u64max
CAPPED_DATA	addr	1
DATA_SOURCE	addr	$0

mm/slub.c __do_krealloc() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	17-u64max
DATA_SOURCE	0	addr	$0
STR_LEN	0	addr	(-1)-1010101
STR_LEN	0	addr	(-1)-1010101
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	*addr	s64min-s64max
UNITS	0	addr	unit_byte
HALF_LOCKED2		&buffer->mutex
HALF_LOCKED2		&c->commit_sem
HALF_LOCKED2		&c->tnc_mutex
HALF_LOCKED2		&call->user_mutex
HALF_LOCKED2		&card->fw.lock
HALF_LOCKED2		&card->mutex
HALF_LOCKED2		&counter->mtx
HALF_LOCKED2		&ctlr->io_mutex
HALF_LOCKED2		&dev->mutex
HALF_LOCKED2		&device->dev_set->lock
HALF_LOCKED2		&frag->frag_sem
HALF_LOCKED2		&gvt->lock
HALF_LOCKED2		&hdev->driver_input_lock
HALF_LOCKED2		&hidg->read_spinlock
HALF_LOCKED2		&ioc->reset_in_progress_mutex
HALF_LOCKED2		&ipvs->est_mutex
HALF_LOCKED2		&mdevice->devmem_lock
HALF_LOCKED2		&mdsc->mutex
HALF_LOCKED2		&mgr->topology_ref_history_lock
HALF_LOCKED2		&nbd->config_lock
HALF_LOCKED2		&nlk->nl_cb_mutex
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&opts->lock
HALF_LOCKED2		&p->mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&priv->wsm_cmd_mux
HALF_LOCKED2		&psi->read_mutex
HALF_LOCKED2		&smaster->lock
HALF_LOCKED2		&supplies->supplies_lock
HALF_LOCKED2		&vc4->bo_lock
HALF_LOCKED2		&vm->lock
HALF_LOCKED2		&vsi->xdp_state_lock
HALF_LOCKED2		&wl->mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		global &bioscfg_drv.mutex
HALF_LOCKED2		global &cb_lock
HALF_LOCKED2		global &comedi_drivers_list_lock
HALF_LOCKED2		global &dax_dev_rwsem
HALF_LOCKED2		global &dax_region_rwsem
HALF_LOCKED2		global &event_mutex
HALF_LOCKED2		global &f_midi2_desc_mutex
HALF_LOCKED2		global &genl_mutex
HALF_LOCKED2		global &icc_lock
HALF_LOCKED2		global &init_lock
HALF_LOCKED2		global &nl_table_lock
HALF_LOCKED2		irq
HALF_LOCKED2		obj->resv
HALF_LOCKED2		queue_lock
HALF_LOCKED2		rcu_read
HALF_LOCKED2		su_mutex

mm/slub.c build_detached_freelist() -> is_kfence_address()

Type	Parameter	Key	Value
CAPPED_DATA	0	addr	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

mm/slub.c get_orig_size() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr->dev_id	(-1)-s32max
BUF_SIZE	0	addr->grp.attrs	(-1),8
BUF_SIZE	0	addr->grp.name	(-1),11
DATA_SOURCE	0	addr	$1
STR_LEN	0	addr	(-1)-1010101
STR_LEN	0	addr	(-1)-1010101
STR_LEN	0	addr->grp.name	(-1),10
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte
HALF_LOCKED2		&n->list_lock
HALF_LOCKED2		flags

mm/slub.c kfence_free() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr	(-1),1-s32max
DATA_SOURCE	0	addr	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

mm/slub.c kvmalloc_obj_start_addr() -> is_kfence_address()

Type	Key	Value
CAPPED_DATA	addr	1
DATA_SOURCE	addr	$0
UNITS	addr	unit_byte

mm/slub.c obj_to_index() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	4096-u64max
BUF_SIZE	0	addr	(-1)-s32max
BUF_SIZE	0	addr	(-1)-s32max
DATA_SOURCE	0	addr	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		rcu

mm/slub.c slab_free_after_rcu_debug() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	1-s32max
BUF_SIZE	0	addr	1-s32max
CAPPED_DATA	0	addr	1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		bh
HALF_LOCKED2		rcu

mm/slub.c slab_free_freelist_hook() -> is_kfence_address()

Type	Parameter	Key	Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		rcu

mm/slub.c slab_post_alloc_hook() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	1-u64max
RX_PATH
TASK_NOT_RUNNING

mm/kfence/report.c addr_to_metadata() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	4096-u64max
BUF_SIZE	0	addr	(-1)-s32max
BUF_SIZE	0	addr	(-1)-s32max
DATA_SOURCE	0	addr	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		rcu

mm/kfence/core.c addr_to_metadata() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr->common.type	(-1),24
BUF_SIZE	0	addr->dev_id	(-1)-s32max
BUF_SIZE	0	addr->grp.attrs	(-1),8
BUF_SIZE	0	addr->grp.name	(-1),11
BUF_SIZE	0	addr->limiter.permitted_waiters	(-1),16
BUF_SIZE	0	addr->started	(-1),96
DATA_SOURCE	0	addr	$0
STR_LEN	0	addr	(-1)-1010101
STR_LEN	0	addr	(-1)-1010101
STR_LEN	0	addr->grp.name	(-1),10
STR_LEN	0	addr->owning_target->error	(-1)
STR_LEN	0	addr->thread_function	(-1),6-7,9
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte

mm/kfence/core.c arch_kfence_init_pool() -> is_kfence_address()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING

mm/kfence/core.c arch_kfence_init_pool() -> is_kfence_address()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING

mm/kfence/core.c kfence_handle_page_fault() -> is_kfence_address()

Type	Parameter	Key	Value
DATA_SOURCE	0	addr	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte

mm/slab_common.c kmem_dump_obj() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	4096-u64max
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr	(-1),1-s32max
CAPPED_DATA	0	addr	1
DATA_SOURCE	0	addr	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte
HALF_LOCKED2		rcu

mm/slab_common.c kvmalloc_obj_start_addr() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	1-u64max
CAPPED_DATA	0	addr	1
DATA_SOURCE	0	addr	$0
RX_PATH
TASK_NOT_RUNNING

mm/kasan/generic.c kasan_record_aux_stack() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr	(-1),1-s32max
DATA_SOURCE	0	addr	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte
HALF_LOCKED2		rcu_read

drivers/misc/lkdtm/heap.c lkdtm_KFENCE_READ_AFTER_FREE() -> is_kfence_address()

Type	Key	Value
PARAM_VALUE	addr	4096-ptr_max
BUF_SIZE	addr	1024
DATA_SOURCE	addr	r _kmalloc_noprof

mm/kasan/common.c __kasan_kmalloc() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	1-u64max
DATA_SOURCE	0	addr	$1
STR_LEN	0	addr	(-1),1-8,10-12,14,16,20,31,39,45,88,255
STR_LEN	0	addr	(-1),1-8,10-12,14,16,20,31,39,45,88,255
RX_PATH
TASK_NOT_RUNNING

mm/kasan/common.c __kasan_krealloc() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	17-u64max
BUF_SIZE	0	addr->dev_id	(-1)-s32max
BUF_SIZE	0	addr->grp.attrs	(-1),8
BUF_SIZE	0	addr->grp.name	(-1),11
CAPPED_DATA	0	addr	1
DATA_SOURCE	0	addr	$0
STR_LEN	0	addr	(-1)-1010101
STR_LEN	0	addr	(-1)-1010101
STR_LEN	0	addr->grp.name	(-1),10
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	*addr	s64min-s64max
NO_OVERFLOW_SIMPLE	0	addr->capacity
NO_OVERFLOW_SIMPLE	0	addr->info->size
NO_OVERFLOW_SIMPLE	0	addr->ndescs
UNITS	0	addr	unit_byte
HALF_LOCKED2		&buffer->mutex
HALF_LOCKED2		&c->commit_sem
HALF_LOCKED2		&c->tnc_mutex
HALF_LOCKED2		&call->user_mutex
HALF_LOCKED2		&card->fw.lock
HALF_LOCKED2		&card->mutex
HALF_LOCKED2		&counter->mtx
HALF_LOCKED2		&ctlr->io_mutex
HALF_LOCKED2		&dev->mutex
HALF_LOCKED2		&device->dev_set->lock
HALF_LOCKED2		&frag->frag_sem
HALF_LOCKED2		&gvt->lock
HALF_LOCKED2		&hdev->driver_input_lock
HALF_LOCKED2		&hidg->read_spinlock
HALF_LOCKED2		&ioc->reset_in_progress_mutex
HALF_LOCKED2		&ipvs->est_mutex
HALF_LOCKED2		&mdevice->devmem_lock
HALF_LOCKED2		&mdsc->mutex
HALF_LOCKED2		&mgr->topology_ref_history_lock
HALF_LOCKED2		&nbd->config_lock
HALF_LOCKED2		&nlk->nl_cb_mutex
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&opts->lock
HALF_LOCKED2		&p->mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&priv->wsm_cmd_mux
HALF_LOCKED2		&psi->read_mutex
HALF_LOCKED2		&smaster->lock
HALF_LOCKED2		&supplies->supplies_lock
HALF_LOCKED2		&vc4->bo_lock
HALF_LOCKED2		&vm->lock
HALF_LOCKED2		&vsi->xdp_state_lock
HALF_LOCKED2		&wl->mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		global &bioscfg_drv.mutex
HALF_LOCKED2		global &cb_lock
HALF_LOCKED2		global &comedi_drivers_list_lock
HALF_LOCKED2		global &dax_dev_rwsem
HALF_LOCKED2		global &dax_region_rwsem
HALF_LOCKED2		global &event_mutex
HALF_LOCKED2		global &f_midi2_desc_mutex
HALF_LOCKED2		global &genl_mutex
HALF_LOCKED2		global &icc_lock
HALF_LOCKED2		global &init_lock
HALF_LOCKED2		global &nl_table_lock
HALF_LOCKED2		irq
HALF_LOCKED2		obj->resv
HALF_LOCKED2		queue_lock
HALF_LOCKED2		rcu_read
HALF_LOCKED2		su_mutex

mm/kasan/common.c __kasan_mempool_poison_object() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	(-1)-s32max
BUF_SIZE	0	addr	(-1)-s32max
CAPPED_DATA	0	addr	1
DATA_SOURCE	0	addr	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	addr->buf->nr_bvecs
NO_OVERFLOW_SIMPLE	0	addr->nr_bvecs
UNITS	0	addr	unit_byte

mm/kasan/common.c __kasan_mempool_unpoison_object() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr	(-1),1-s32max
CAPPED_DATA	0	addr	1
DATA_SOURCE	0	addr	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&ctx->uring_lock

mm/kasan/common.c __kasan_slab_alloc() -> is_kfence_address()

Type	Parameter	Key	Value
PARAM_VALUE	0	addr	1-u64max
DATA_SOURCE	0	addr	$1
RX_PATH
TASK_NOT_RUNNING

mm/kasan/common.c __kasan_slab_free() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr	(-1),1-s32max
DATA_SOURCE	0	addr	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte

mm/kasan/common.c __kasan_slab_pre_free() -> is_kfence_address()

Type	Parameter	Key	Value
BUF_SIZE	0	addr	(-1),1-s32max
BUF_SIZE	0	addr	(-1),1-s32max
DATA_SOURCE	0	addr	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte

mm/kasan/common.c __kasan_unpoison_range() -> is_kfence_address()

Type	Parameter	Key	Value
DATA_SOURCE	0	addr	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	addr	unit_byte