Defined in 2 files as a function:
- include/linux/mm.h, line 1429 (as a function)
- tools/testing/vma/include/dup.h, line 1112 (as a function)
Referenced in 5 files:
- include/linux/mm.h, line 4879
- include/linux/userfaultfd_k.h, line 230
- mm/internal.h, line 1132
- mm/mprotect.c, line 932
- tools/testing/vma/tests/vma.c
Smatch caller information:
mm/huge_memory.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| BUF_SIZE | 0 | vma->vm_mm | (-1),1-s32max |
| BUF_SIZE | 0 | vma->vm_ops | (-1),144 |
| BUF_SIZE | 0 | vma->vm_private_data | s32min-(-1),1-s32max |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_end | |
| NOSPEC | 0 | vma->vm_pgoff | |
| NOSPEC | 0 | vma->vm_start | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->pfnmap_track_ctx->pfn | 0-9007201402224637[c] |
| USER_DATA | 0 | vma->pfnmap_track_ctx->size | 0,4096-u64max[c] |
| USER_DATA | 0 | vma->shared.rb_subtree_last | 0-u64max[u] |
| USER_DATA | 0 | vma->vm_end | 0-u64max |
| USER_DATA | 0 | vma->vm_pgoff | 0-9007201402224637[c] |
| USER_DATA | 0 | vma->vm_start | 0-u64max |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_size | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_policy->mode | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| UNITS | 0 | vma | unit_byte |
| HALF_LOCKED2 | &ctx->map_changing_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | src_ptl | ||
| HALF_LOCKED2 | 0 | &vma->vm_private_data->rw_sema |
mm/userfaultfd.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 1-u64max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| HALF_LOCKED2 | &ctx->map_changing_lock | ||
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | rcu_read |
mm/swapfile.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->flags.__vma_flags | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| CAPABLE | 0 | 21 | |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
fs/proc/task_mmu.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 0,4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| HALF_LOCKED2 | ptl | ||
| HALF_LOCKED2 | 0 | &vma->vm_file->f_mapping->i_mmap_rwsem |
mm/mprotect.c do_mprotect_pkey() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| CAPPED_DATA | 0 | vma->vm_start | 1 |
| DATA_SOURCE | 0 | vma | r vma_find |
mm/mprotect.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->flags.__vma_flags | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_end | 1-u64max[c] |
| USER_DATA | 0 | vma->vm_start | 1-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/hugetlb.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->flags.__vma_flags | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| BUF_SIZE | 0 | vma->vm_mm | (-1)-s32max |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_start | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_end | 1073741824-u64max[c] |
| USER_DATA | 0 | vma->vm_start | 0-u64max |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_size | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_policy->mode | |
| UNITS | 0 | vma | unit_byte |
| HALF_LOCKED2 | &mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | src_ptl | ||
| HALF_LOCKED2 | 0 | &vma->vm_file->f_mapping->i_mmap_rwsem |
mm/mremap.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| DATA_SOURCE | 0 | vma | $0 |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | old_ptl | ||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &tsk->signal->exec_update_lock | ||
| HALF_LOCKED2 | new_ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/vma.c vma_supports_mlock() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->flags.__vma_flags | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff |
mm/memory.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_start | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_end | 4096-u64max[c] |
| USER_DATA | 0 | vma->vm_policy->flags | 0,24,8192-57368[c] |
| USER_DATA | 0 | vma->vm_policy->home_node | 0-1023 |
| USER_DATA | 0 | vma->vm_policy->mode | 2-3,5-u16max |
| USER_DATA | 0 | vma->vm_start | 0-18446744073709547520 |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_size | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| UNITS | 0 | vma | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | dst_ptl | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | src_ptl | ||
| HALF_LOCKED2 | vmf->ptl |
mm/gup.c gup_can_follow_protnone() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_size | |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | ptl |
mm/migrate.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | vma | unit_byte |
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock |
mm/mlock.c vma_supports_mlock() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start |
mm/khugepaged.c userfaultfd_rwp() -> vma_test_single_mask()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | flagmask | s64min-(-4096),4096-s64max |
| DATA_SOURCE | 0 | vma | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | &mm->mmap_lock |