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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

mm/userfaultfd.c userfaultfd_register_range() -> userfaultfd_set_ctx()

Type Parameter Key Value
PARAM_VALUE 0 vma 4096-ptr_max
PARAM_VALUE 0 vma->flags.__vma_flags 4096-ptr_max
PARAM_VALUE 0 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 1 ctx 4096-ptr_max
PARAM_VALUE 1 ctx->mm 4096-ptr_max
PARAM_VALUE 1 ctx->mm->mm_users.counter 0-s32max
PARAM_VALUE 1 ctx->mm->mmap_lock.dep_map->name 0-255
PARAM_VALUE 1 ctx->mm->mmap_lock.first_waiter->list.next 2624917664208203776
PARAM_VALUE 1 ctx->mm->mmap_lock.first_waiter->list.prev 2624917664208203776
PARAM_VALUE 1 ctx->mm->mmap_lock.first_waiter->type 0-1
PARAM_VALUE 1 ctx->mm->mmap_lock.osq.tail.counter 0-s32max
PARAM_VALUE 1 ctx->mm->task_size 1-u64max
PARAM_VALUE 2 vm_flags 0,512,4096,4608,2199023255552,2199023256064,2199023259648,2199023260160,8796093022208,8796093022720,8796093026304,8796093026816,10995116277760,10995116278272,10995116281856,10995116282368
BUF_SIZE 1 ctx s32min-(-2),1-s32max
BUF_SIZE 1 ctx s32min-(-2),1-s32max
CAPPED_DATA 0 vma 1
CAPPED_DATA 1 ctx 1
DATA_SOURCE 0 vma r vma_modify_flags_uffd
DATA_SOURCE 1 ctx $0
DATA_SOURCE 2 vm_flags $2
FUZZY_MAX 2 vm_flags 0
BIT_INFO 2 vm_flags 0x0,0xa0000001200
BIT_INFO 2 vm_flags 0x0,0xa0000001200
NOSPEC 0 vma->vm_start
NOCHECK_CALL
USER_DATA 0 vma->vm_pgoff 0-4503599627370495[c]
USER_DATA 0 vma->vm_start 1-u64max[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_start
UNITS 1 ctx unit_byte
LOCK2 &mm->mmap_lock
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/userfaultfd.c userfaultfd_reset_ctx() -> userfaultfd_set_ctx()

Type Parameter Key Value
PARAM_VALUE 0 vma 4096-ptr_max
PARAM_VALUE 0 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type 0-1
PARAM_VALUE 1 ctx 0
PARAM_VALUE 2 vm_flags 0
DATA_SOURCE 0 vma $0
NOSPEC 0 vma->vm_start
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 vma->vm_end 0-u64max
USER_DATA 0 vma->vm_pgoff 0-4503599627370495[c]
USER_DATA 0 vma->vm_start 0-u64max[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_file->f_mapping->host->i_bytes
UNITS 0 vma unit_byte
LOCK2 &mm->mmap_lock
HALF_LOCKED2 &oldmm->mmap_lock
TYPE_LOCK (struct mm_struct)->mmap_lock