DepSurf

Function: kfence_protect_page

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: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In mm/kfence/core.c (ffffffff8133bdfc)
  Location: arch/x86/include/asm/kfence.h:41
  Inline: True
  Inline callers:
    - mm/kfence/core.c:kfence_unprotect
    - mm/kfence/core.c:kfence_protect
  

• In 5.19: ✅

  bool kfence_protect_page(long unsigned int addr, bool protect);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/kfence/core.c (ffffffff813ae9f0)
  Location: arch/x86/include/asm/kfence.h:41
  Inline: False
  Direct callers:
    - mm/kfence/core.c:kfence_handle_page_fault
    - mm/kfence/core.c:kfence_handle_page_fault
    - mm/kfence/core.c:kfence_init_pool
    - mm/kfence/core.c:kfence_init_pool
    - mm/kfence/core.c:kfence_init_pool
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_alloc
  

  Symbols:

  ffffffff813ae9f0-ffffffff813aeac0: kfence_protect_page (STB_LOCAL)
  

• In 6.2: ✅

  bool kfence_protect_page(long unsigned int addr, bool protect);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In mm/kfence/core.c (ffffffff8142ef20)
  Location: arch/x86/include/asm/kfence.h:41
  Inline: False
  Direct callers:
    - mm/kfence/core.c:kfence_handle_page_fault
    - mm/kfence/core.c:kfence_handle_page_fault
    - mm/kfence/core.c:kfence_init_pool
    - mm/kfence/core.c:kfence_init_pool
    - mm/kfence/core.c:kfence_init_pool
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_alloc
  

  Symbols:

  ffffffff8142ef20-ffffffff8142eff4: kfence_protect_page (STB_LOCAL)
  

• In 6.5: Selective Inline ⚠️

  bool kfence_protect_page(long unsigned int addr, bool protect);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In mm/kfence/core.c (ffffffff81464748)
  Location: arch/x86/include/asm/kfence.h:41
  Inline: True
  Inline callers:
    - mm/kfence/core.c:kfence_init_pool
  Direct callers:
    - mm/kfence/core.c:kfence_handle_page_fault
  

  Symbols:

  ffffffff81464b40-ffffffff81464c14: kfence_protect_page (STB_LOCAL)
  

• In 6.8: Selective Inline ⚠️

  bool kfence_protect_page(long unsigned int addr, bool protect);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In mm/kfence/core.c (ffffffff81493880)
  Location: arch/x86/include/asm/kfence.h:41
  Inline: True
  Direct callers:
    - mm/kfence/core.c:kfence_handle_page_fault
    - mm/kfence/core.c:kfence_handle_page_fault
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_free
    - mm/kfence/core.c:kfence_guarded_alloc
  

  Symbols:

  ffffffff81493880-ffffffff81493954: kfence_protect_page (STB_LOCAL)
  

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 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅