DepSurf

Function: uffd_wp_range

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: ✅

  void uffd_wp_range(struct mm_struct *dst_mm, struct vm_area_struct *dst_vma, long unsigned int start, long unsigned int len, bool enable_wp);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/userfaultfd.c (ffffffff813e6050)
  Location: mm/userfaultfd.c:706
  Inline: False
  Direct callers:
    - mm/userfaultfd.c:mwriteprotect_range
  

  Symbols:

  ffffffff813e6050-ffffffff813e6141: uffd_wp_range (STB_GLOBAL)
  

• In 6.2: ✅

  void uffd_wp_range(struct mm_struct *dst_mm, struct vm_area_struct *dst_vma, long unsigned int start, long unsigned int len, bool enable_wp);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/userfaultfd.c (ffffffff8146db00)
  Location: mm/userfaultfd.c:727
  Inline: False
  Direct callers:
    - mm/userfaultfd.c:mwriteprotect_range
  

  Symbols:

  ffffffff8146db00-ffffffff8146dbf1: uffd_wp_range (STB_GLOBAL)
  

• In 6.5: ✅

  long int uffd_wp_range(struct vm_area_struct *dst_vma, long unsigned int start, long unsigned int len, bool enable_wp);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/userfaultfd.c (ffffffff814a2520)
  Location: mm/userfaultfd.c:705
  Inline: False
  Direct callers:
    - mm/userfaultfd.c:mwriteprotect_range
  

  Symbols:

  ffffffff814a2520-ffffffff814a2600: uffd_wp_range (STB_GLOBAL)
  

• In 6.8: ✅

  long int uffd_wp_range(struct vm_area_struct *dst_vma, long unsigned int start, long unsigned int len, bool enable_wp);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In mm/userfaultfd.c (ffffffff814d25e0)
  Location: mm/userfaultfd.c:767
  Inline: False
  Direct callers:
    - mm/userfaultfd.c:mwriteprotect_range
    - fs/userfaultfd.c:userfaultfd_unregister
    - fs/proc/task_mmu.c:pagemap_scan_pte_hole
  

  Symbols:

  ffffffff814d25e0-ffffffff814d26c0: uffd_wp_range (STB_GLOBAL)
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• No changes between 5.19 and 6.2 ✅
• Changed between 6.2 and 6.5 ⚠️

  • Param removed. struct mm_struct *dst_mm
  • Param reordered. dst_mm, dst_vma, start, len, enable_wp ➡️ dst_vma, start, len, enable_wp
  • Return type changed. void ➡️ long int
• No changes between 6.5 and 6.8 ✅