DepSurf

Function: bt_clear_frame_reg

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: Absent ⚠️
• In 6.2: Absent ⚠️
• In 6.5: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff8130c9df)
  Location: kernel/bpf/verifier.c:3277
  Inline: True
  Inline callers:
    - kernel/bpf/verifier.c:__mark_chain_precision
    - kernel/bpf/verifier.c:__mark_chain_precision
    - kernel/bpf/verifier.c:__mark_chain_precision
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
  

• In 6.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff81328d47)
  Location: kernel/bpf/verifier.c:3439
  Inline: True
  Inline callers:
    - kernel/bpf/verifier.c:__mark_chain_precision
    - kernel/bpf/verifier.c:__mark_chain_precision
    - kernel/bpf/verifier.c:__mark_chain_precision
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
    - kernel/bpf/verifier.c:backtrack_insn
  

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