DepSurf

Function: str_is_empty

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff812b88e4)
  Location: include/linux/btf.h:180
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_check_func_arg_match
  

  In tools/lib/bpf/relo_core.c (ffffffff812cb777)
  Location: include/linux/btf.h:180
  Inline: True
  Inline callers:
    - tools/lib/bpf/relo_core.c:bpf_core_calc_relo_insn
    - tools/lib/bpf/relo_core.c:bpf_core_calc_relo_insn
    - tools/lib/bpf/relo_core.c:bpf_core_format_spec
    - tools/lib/bpf/relo_core.c:bpf_core_match_member
    - tools/lib/bpf/relo_core.c:bpf_core_parse_spec
    - tools/lib/bpf/relo_core.c:bpf_core_parse_spec
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff812cf682)
  Location: include/linux/btf.h:257
  Inline: True
  Inline callers:
    - kernel/bpf/verifier.c:is_kfunc_arg_scalar_with_name
    - kernel/bpf/verifier.c:__kfunc_param_match_suffix
  

  In kernel/bpf/btf.c (ffffffff81311908)
  Location: include/linux/btf.h:257
  Inline: True
  

  In tools/lib/bpf/relo_core.c (ffffffff813302b6)
  Location: include/linux/btf.h:257
  Inline: True
  Inline callers:
    - tools/lib/bpf/relo_core.c:bpf_core_names_match
    - tools/lib/bpf/relo_core.c:bpf_core_names_match
    - tools/lib/bpf/relo_core.c:bpf_core_calc_relo_insn
    - tools/lib/bpf/relo_core.c:bpf_core_calc_relo_insn
    - tools/lib/bpf/relo_core.c:bpf_core_format_spec
    - tools/lib/bpf/relo_core.c:bpf_core_match_member
    - tools/lib/bpf/relo_core.c:bpf_core_parse_spec
    - tools/lib/bpf/relo_core.c:bpf_core_parse_spec
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff812f8392)
  Location: include/linux/btf.h:278
  Inline: True
  Inline callers:
    - kernel/bpf/verifier.c:is_kfunc_arg_scalar_with_name
    - kernel/bpf/verifier.c:__kfunc_param_match_suffix
  

  In kernel/bpf/btf.c (ffffffff813411af)
  Location: include/linux/btf.h:278
  Inline: True
  

  In tools/lib/bpf/relo_core.c (ffffffff81360f56)
  Location: include/linux/btf.h:278
  Inline: True
  Inline callers:
    - tools/lib/bpf/relo_core.c:bpf_core_names_match
    - tools/lib/bpf/relo_core.c:bpf_core_names_match
    - tools/lib/bpf/relo_core.c:bpf_core_calc_relo_insn
    - tools/lib/bpf/relo_core.c:bpf_core_calc_relo_insn
    - tools/lib/bpf/relo_core.c:bpf_core_format_spec
    - tools/lib/bpf/relo_core.c:bpf_core_match_member
    - tools/lib/bpf/relo_core.c:bpf_core_parse_spec
    - tools/lib/bpf/relo_core.c:bpf_core_parse_spec
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff813172c2)
  Location: include/linux/btf.h:289
  Inline: True
  Inline callers:
    - kernel/bpf/verifier.c:is_kfunc_arg_scalar_with_name
    - kernel/bpf/verifier.c:__kfunc_param_match_suffix
  

  In kernel/bpf/btf.c (ffffffff8136660b)
  Location: include/linux/btf.h:289
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_validate_prog_ctx_type
  

  In tools/lib/bpf/relo_core.c (ffffffff81389e06)
  Location: include/linux/btf.h:289
  Inline: True
  Inline callers:
    - tools/lib/bpf/relo_core.c:bpf_core_names_match
    - tools/lib/bpf/relo_core.c:bpf_core_names_match
    - tools/lib/bpf/relo_core.c:bpf_core_calc_relo_insn
    - tools/lib/bpf/relo_core.c:bpf_core_calc_relo_insn
    - tools/lib/bpf/relo_core.c:bpf_core_format_spec
    - tools/lib/bpf/relo_core.c:bpf_core_match_member
    - tools/lib/bpf/relo_core.c:bpf_core_parse_spec
    - tools/lib/bpf/relo_core.c:bpf_core_parse_spec
  

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