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Defined in 1 files as a macro:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

mm/vma.c __mmap_new_vma() -> vma_iter_prealloc()

Type Parameter Key Value
PARAM_VALUE 0 vmi 7342498018941853696
PARAM_VALUE 0 vmi->mas.index 0-18446744073709547520
PARAM_VALUE 1 vma 4096-ptr_max
PARAM_VALUE 1 vma->anon_name 0
PARAM_VALUE 1 vma->anon_vma 0
PARAM_VALUE 1 vma->numab_state 0
PARAM_VALUE 1 vma->pfnmap_track_ctx 0
PARAM_VALUE 1 vma->shared.rb.__rb_parent_color 0
PARAM_VALUE 1 vma->shared.rb.rb_left 0
PARAM_VALUE 1 vma->shared.rb.rb_right 0
PARAM_VALUE 1 vma->shared.rb_subtree_last 0
PARAM_VALUE 1 vma->swap_readahead_info.counter 0
PARAM_VALUE 1 vma->vm_file 0
PARAM_VALUE 1 vma->vm_flags 0
PARAM_VALUE 1 vma->vm_freeptr.v 0
PARAM_VALUE 1 vma->vm_lock_seq u32max
PARAM_VALUE 1 vma->vm_ops 0,6756087424609792000
PARAM_VALUE 1 vma->vm_pgoff 0-4503599627370495
PARAM_VALUE 1 vma->vm_policy 0
PARAM_VALUE 1 vma->vm_private_data 0
PARAM_VALUE 1 vma->vm_refcnt.refs.counter 0
PARAM_VALUE 1 vma->vm_start 0-18446744073709547520
PARAM_VALUE 1 vma->vm_userfaultfd_ctx.ctx 0
PARAM_VALUE 1 vma->vmlock_dep_map->name 0-255
PARAM_VALUE 1 vma->vmlock_dep_map.cpu 0
PARAM_VALUE 1 vma->vmlock_dep_map.ip 0
PARAM_VALUE 1 vma->vmlock_dep_map.lock_type 0
PARAM_VALUE 1 vma->vmlock_dep_map.wait_type_outer 0
DATA_SOURCE 1 vma r vm_area_alloc
NO_OVERFLOW_SIMPLE 1 vma->vm_pgoff

mm/vma.c __split_vma() -> vma_iter_prealloc()

Type Parameter Key Value
PARAM_VALUE 0 vmi 4096-ptr_max
PARAM_VALUE 1 vma 4096-ptr_max
PARAM_VALUE 1 vma->anon_name 0,4096-ptr_max
PARAM_VALUE 1 vma->anon_vma_chain.next 4096-ptr_max
PARAM_VALUE 1 vma->anon_vma_chain.next->next 4096-ptr_max
PARAM_VALUE 1 vma->anon_vma_chain.prev 4096-ptr_max
PARAM_VALUE 1 vma->anon_vma_chain.prev->next 4096-ptr_max
PARAM_VALUE 1 vma->anon_vma_chain.prev->prev 4096-ptr_max
PARAM_VALUE 1 vma->numab_state 0
PARAM_VALUE 1 vma->pfnmap_track_ctx 0,4096-ptr_max
PARAM_VALUE 1 vma->vm_lock_seq u32max
PARAM_VALUE 1 vma->vm_mm 4096-ptr_max
PARAM_VALUE 1 vma->vm_ops 0,4096-ptr_max
PARAM_VALUE 1 vma->vm_refcnt.refs.counter 0
PARAM_VALUE 1 vma->vmlock_dep_map->name 0-255
PARAM_VALUE 1 vma->vmlock_dep_map.cpu 0
PARAM_VALUE 1 vma->vmlock_dep_map.lock_type 0
PARAM_VALUE 1 vma->vmlock_dep_map.wait_type_outer 0
DATA_SOURCE 0 vmi $0
DATA_SOURCE 1 vma r vm_area_dup
NOSPEC 0 vmi->mas.index
NOSPEC 0 vmi->mas.last
NOSPEC 1 vma->vm_start
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vmi->mas.index 0-u64max
USER_DATA 0 vmi->mas.last 0-u64max
USER_DATA 1 vma->__vm_anon_pgoff_hi 0-u32max[c]
USER_DATA 1 vma->__vm_anon_pgoff_lo 0-u32max[c]
USER_DATA 1 vma->vm_end 0-u64max[c]
USER_DATA 1 vma->vm_pgoff 0-u64max[c]
USER_DATA 1 vma->vm_start 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 vmi->mas.index
NO_OVERFLOW_SIMPLE 0 vmi->mas.sheaf->capacity
NO_OVERFLOW_SIMPLE 0 vmi->mas.sheaf->size
NO_OVERFLOW_SIMPLE 1 vma->vm_start
HALF_LOCKED2 &mm->mmap_lock

mm/vma.c commit_merge() -> vma_iter_prealloc()

Type Parameter Key Value
PARAM_VALUE 0 vmi 4096-ptr_max
PARAM_VALUE 1 vma 4096-ptr_max
PARAM_VALUE 1 vma->vm_file 0,4096-ptr_max
PARAM_VALUE 1 vma->vm_mm 4096-ptr_max
BUF_SIZE 0 vmi (-1),88
BUF_SIZE 0 vmi (-1),88
NOSPEC 0 vmi->mas.index
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vmi->mas.index 0-u64max
USER_DATA 0 vmi->mas.last 0-u64max
HALF_LOCKED2 &mm->mmap_lock

mm/vma.c expand_downwards() -> vma_iter_prealloc()

Type Parameter Key Value
PARAM_VALUE 0 vmi 2842633904842395648
PARAM_VALUE 0 vmi->mas.alloc 0
PARAM_VALUE 0 vmi->mas.index 0,4096-u64max
PARAM_VALUE 0 vmi->mas.mas_flags 0
PARAM_VALUE 0 vmi->mas.node_request 0
PARAM_VALUE 0 vmi->mas.sheaf 0
PARAM_VALUE 0 vmi->mas.status 0-3,5-6,8-u32max
PARAM_VALUE 0 vmi->mas.store_type 0
PARAM_VALUE 1 vma 4096-ptr_max
PARAM_VALUE 1 vma->flags.__vma_flags 4096-ptr_max
PARAM_VALUE 1 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 1 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
CAPPED_DATA 1 vma 1
DATA_SOURCE 1 vma $0
NOSPEC 0 vmi->mas.index
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vmi->mas.index 0,4096-u64max
USER_DATA 0 vmi->mas.last 0-u64max
NO_OVERFLOW_SIMPLE 0 vmi->mas.index
NO_OVERFLOW_SIMPLE 1 vma->vm_start
HALF_LOCKED2 &mm->mmap_lock

mm/vma.c vma_link() -> vma_iter_prealloc()

Type Parameter Key Value
PARAM_VALUE 0 vmi 1030635330685243392
PARAM_VALUE 0 vmi->mas.alloc 0
PARAM_VALUE 0 vmi->mas.end 0
PARAM_VALUE 0 vmi->mas.ld_seq 0
PARAM_VALUE 0 vmi->mas.mas_flags 0
PARAM_VALUE 0 vmi->mas.max 0
PARAM_VALUE 0 vmi->mas.min 0
PARAM_VALUE 0 vmi->mas.node 0
PARAM_VALUE 0 vmi->mas.node_request 0
PARAM_VALUE 0 vmi->mas.sheaf 0
PARAM_VALUE 0 vmi->mas.status 1
PARAM_VALUE 0 vmi->mas.store_type 0
PARAM_VALUE 1 vma 4096-ptr_max
PARAM_VALUE 1 vma->anon_name 0,4096-ptr_max
PARAM_VALUE 1 vma->numab_state 0
PARAM_VALUE 1 vma->pfnmap_track_ctx 0,4096-ptr_max
PARAM_VALUE 1 vma->vm_file 0,4096-ptr_max
PARAM_VALUE 1 vma->vm_lock_seq u32max
PARAM_VALUE 1 vma->vm_ops 0,4096-ptr_max
PARAM_VALUE 1 vma->vm_policy 0,4096-ptr_max
PARAM_VALUE 1 vma->vm_policy->refcnt.counter 1
PARAM_VALUE 1 vma->vm_refcnt.refs.counter 0
PARAM_VALUE 1 vma->vmlock_dep_map->name 0-255
PARAM_VALUE 1 vma->vmlock_dep_map.cpu 0
PARAM_VALUE 1 vma->vmlock_dep_map.lock_type 0
PARAM_VALUE 1 vma->vmlock_dep_map.wait_type_outer 0
CAPPED_DATA 1 vma->anon_vma 1
DATA_SOURCE 1 vma $1
NOSPEC 0 vmi->mas.index
NOSPEC 1 vma->vm_pgoff
NOSPEC 1 vma->vm_start
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vmi->mas.index 0-u64max
USER_DATA 0 vmi->mas.last 0-u64max
USER_DATA 1 vma->vm_end 0-u64max
USER_DATA 1 vma->vm_pgoff 0-4503599627370495[c]
USER_DATA 1 vma->vm_start 0-u64max
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &mm->mmap_lock
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/vma.c vma_shrink() -> vma_iter_prealloc()

Type Parameter Key Value
PARAM_VALUE 0 vmi 5892228724953571328
PARAM_VALUE 0 vmi->mas.alloc 0
PARAM_VALUE 0 vmi->mas.mas_flags 0
PARAM_VALUE 0 vmi->mas.node_request 0
PARAM_VALUE 0 vmi->mas.sheaf 0
PARAM_VALUE 0 vmi->mas.status 0,2-3,6,8-u32max
PARAM_VALUE 0 vmi->mas.store_type 0
PARAM_VALUE 1 vma 0
DATA_SOURCE 0 vmi $0
LOCK2 &mm->mmap_lock
LOCK2 &tsk->signal->exec_update_lock
TYPE_LOCK (struct mm_struct)->mmap_lock