DepSurf

Function: btf_kfunc_is_modify_return

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: ✅

  u32 *btf_kfunc_is_modify_return(const struct btf *btf, u32 kfunc_btf_id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff8131ad60)
  Location: kernel/bpf/btf.c:7621
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:bpf_check_attach_target
    - kernel/bpf/verifier.c:bpf_check_attach_target
  

  Symbols:

  ffffffff8131ad60-ffffffff8131addc: btf_kfunc_is_modify_return (STB_GLOBAL)
  

• In 6.5: ✅

  u32 *btf_kfunc_is_modify_return(const struct btf *btf, u32 kfunc_btf_id, const struct bpf_prog *prog);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff8134a3a0)
  Location: kernel/bpf/btf.c:7874
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:bpf_check_attach_target
    - kernel/bpf/verifier.c:bpf_check_attach_target
  

  Symbols:

  ffffffff8134a3a0-ffffffff8134a3c6: btf_kfunc_is_modify_return (STB_GLOBAL)
  

• In 6.8: ✅

  u32 *btf_kfunc_is_modify_return(const struct btf *btf, u32 kfunc_btf_id, const struct bpf_prog *prog);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff81370b50)
  Location: kernel/bpf/btf.c:7939
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:bpf_check_attach_target
    - kernel/bpf/verifier.c:bpf_check_attach_target
  

  Symbols:

  ffffffff81370b50-ffffffff81370b76: btf_kfunc_is_modify_return (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

• Changed between 6.2 and 6.5 ⚠️

  • Param added. const struct bpf_prog *prog
• No changes between 6.5 and 6.8 ✅