DepSurf

Function: futex_cmpxchg_value_locked

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: ✅

  int futex_cmpxchg_value_locked(u32 *curval, u32 *uaddr, u32 uval, u32 newval);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/futex/core.c (ffffffff811b2cd0)
  Location: kernel/futex/core.c:440
  Inline: False
  Direct callers:
    - kernel/futex/core.c:handle_futex_death
    - kernel/futex/pi.c:futex_unlock_pi
    - kernel/futex/pi.c:futex_unlock_pi
    - kernel/futex/pi.c:__fixup_pi_state_owner
    - kernel/futex/pi.c:futex_lock_pi_atomic
    - kernel/futex/pi.c:futex_lock_pi_atomic
  

  Symbols:

  ffffffff811b2cd0-ffffffff811b2d3d: futex_cmpxchg_value_locked (STB_GLOBAL)
  

• In 6.2: ✅

  int futex_cmpxchg_value_locked(u32 *curval, u32 *uaddr, u32 uval, u32 newval);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/futex/core.c (ffffffff811f3ba0)
  Location: kernel/futex/core.c:440
  Inline: False
  Direct callers:
    - kernel/futex/core.c:handle_futex_death
    - kernel/futex/pi.c:futex_unlock_pi
    - kernel/futex/pi.c:futex_unlock_pi
    - kernel/futex/pi.c:__fixup_pi_state_owner
    - kernel/futex/pi.c:futex_lock_pi_atomic
    - kernel/futex/pi.c:futex_lock_pi_atomic
  

  Symbols:

  ffffffff811f3ba0-ffffffff811f3c0d: futex_cmpxchg_value_locked (STB_GLOBAL)
  

• In 6.5: ✅

  int futex_cmpxchg_value_locked(u32 *curval, u32 *uaddr, u32 uval, u32 newval);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/futex/core.c (ffffffff81208340)
  Location: kernel/futex/core.c:440
  Inline: False
  Direct callers:
    - kernel/futex/core.c:handle_futex_death
    - kernel/futex/pi.c:futex_unlock_pi
    - kernel/futex/pi.c:futex_unlock_pi
    - kernel/futex/pi.c:__fixup_pi_state_owner
    - kernel/futex/pi.c:futex_lock_pi_atomic
    - kernel/futex/pi.c:futex_lock_pi_atomic
  

  Symbols:

  ffffffff81208340-ffffffff81208398: futex_cmpxchg_value_locked (STB_GLOBAL)
  

• In 6.8: ✅

  int futex_cmpxchg_value_locked(u32 *curval, u32 *uaddr, u32 uval, u32 newval);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/futex/core.c (ffffffff8121f1d0)
  Location: kernel/futex/core.c:453
  Inline: False
  Direct callers:
    - kernel/futex/core.c:handle_futex_death
    - kernel/futex/pi.c:futex_unlock_pi
    - kernel/futex/pi.c:futex_unlock_pi
    - kernel/futex/pi.c:__fixup_pi_state_owner
    - kernel/futex/pi.c:futex_lock_pi_atomic
    - kernel/futex/pi.c:futex_lock_pi_atomic
  

  Symbols:

  ffffffff8121f1d0-ffffffff8121f228: futex_cmpxchg_value_locked (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 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅