DepSurf

Function: btf_struct_access

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: ✅

  int btf_struct_access(struct bpf_verifier_log *log, const struct btf_type *t, int off, int size, enum bpf_access_type atype, u32 *next_btf_id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff81224f50)
  Location: kernel/bpf/btf.c:3832
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - kernel/bpf/btf.c:btf_struct_access
    - net/ipv4/bpf_tcp_ca.c:bpf_tcp_ca_btf_struct_access
  

  Symbols:

  ffffffff81224f50-ffffffff812253c4: btf_struct_access (STB_GLOBAL)
  

• In 5.11: ✅

  int btf_struct_access(struct bpf_verifier_log *log, const struct btf *btf, const struct btf_type *t, int off, int size, enum bpf_access_type atype, u32 *next_btf_id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff8122b9f0)
  Location: kernel/bpf/btf.c:4985
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_ptr_to_map_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - net/ipv4/bpf_tcp_ca.c:bpf_tcp_ca_btf_struct_access
  

  Symbols:

  ffffffff8122b9f0-ffffffff8122badf: btf_struct_access (STB_GLOBAL)
  

• In 5.13: ✅

  int btf_struct_access(struct bpf_verifier_log *log, const struct btf *btf, const struct btf_type *t, int off, int size, enum bpf_access_type atype, u32 *next_btf_id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff812303f0)
  Location: kernel/bpf/btf.c:5058
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_ptr_to_map_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - net/ipv4/bpf_tcp_ca.c:bpf_tcp_ca_btf_struct_access
  

  Symbols:

  ffffffff812303f0-ffffffff812304df: btf_struct_access (STB_GLOBAL)
  

• In 5.15: Transformation ⚠️

  int btf_struct_access(struct bpf_verifier_log *log, const struct btf *btf, const struct btf_type *t, int off, int size, enum bpf_access_type atype, u32 *next_btf_id);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (0)
  Location: kernel/bpf/btf.c:5111
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_ptr_to_map_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - net/ipv4/bpf_tcp_ca.c:bpf_tcp_ca_btf_struct_access
  

  Symbols:

  ffffffff81cb94e2-ffffffff81cb94f6: btf_struct_access.cold (STB_LOCAL)
  ffffffff81269170-ffffffff8126925d: btf_struct_access (STB_GLOBAL)
  

• In 5.19: Transformation ⚠️

  int btf_struct_access(struct bpf_verifier_log *log, const struct btf *btf, const struct btf_type *t, int off, int size, enum bpf_access_type atype, u32 *next_btf_id, enum bpf_type_flag *flag);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (0)
  Location: kernel/bpf/btf.c:5656
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_ptr_to_map_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - net/bpf/bpf_dummy_struct_ops.c:bpf_dummy_ops_btf_struct_access
    - net/ipv4/bpf_tcp_ca.c:bpf_tcp_ca_btf_struct_access
  

  Symbols:

  ffffffff81e6a8a0-ffffffff81e6a8b4: btf_struct_access.cold (STB_LOCAL)
  ffffffff812b65e0-ffffffff812b6720: btf_struct_access (STB_GLOBAL)
  

• In 6.2: Transformation ⚠️

  int btf_struct_access(struct bpf_verifier_log *log, const struct bpf_reg_state *reg, int off, int size, enum bpf_access_type atype, u32 *next_btf_id, enum bpf_type_flag *flag);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (0)
  Location: kernel/bpf/btf.c:6295
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_ptr_to_map_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
    - net/bpf/bpf_dummy_struct_ops.c:bpf_dummy_ops_btf_struct_access
    - net/ipv4/bpf_tcp_ca.c:bpf_tcp_ca_btf_struct_access
  

  Symbols:

  ffffffff82061944-ffffffff82061958: btf_struct_access.cold (STB_LOCAL)
  ffffffff813175a0-ffffffff81317886: btf_struct_access (STB_GLOBAL)
  

• In 6.5: Transformation ⚠️

  int btf_struct_access(struct bpf_verifier_log *log, const struct bpf_reg_state *reg, int off, int size, enum bpf_access_type atype, u32 *next_btf_id, enum bpf_type_flag *flag, const char **field_name);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (0)
  Location: kernel/bpf/btf.c:6382
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_ptr_to_map_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
  

  Symbols:

  ffffffff820e0ffa-ffffffff820e100e: btf_struct_access.cold (STB_LOCAL)
  ffffffff81347450-ffffffff81347787: btf_struct_access (STB_GLOBAL)
  

• In 6.8: Transformation ⚠️

  int btf_struct_access(struct bpf_verifier_log *log, const struct bpf_reg_state *reg, int off, int size, enum bpf_access_type atype, u32 *next_btf_id, enum bpf_type_flag *flag, const char **field_name);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/btf.c (0)
  Location: kernel/bpf/btf.c:6554
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_ptr_to_map_access
    - kernel/bpf/verifier.c:check_ptr_to_btf_access
  

  Symbols:

  ffffffff821bd842-ffffffff821bd856: btf_struct_access.cold (STB_LOCAL)
  ffffffff8136d890-ffffffff8136dbf7: btf_struct_access (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 5.8 and 5.11 ⚠️

  • Param added. const struct btf *btf
  • Param reordered. log, t, off, size, atype, next_btf_id ➡️ log, btf, t, off, size, atype, next_btf_id
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Param added. enum bpf_type_flag *flag
• Changed between 5.19 and 6.2 ⚠️

  • Param added. const struct bpf_reg_state *reg
  • Param removed. const struct btf *btf
  • Param removed. const struct btf_type *t
  • Param reordered. log, btf, t, off, size, atype, next_btf_id, flag ➡️ log, reg, off, size, atype, next_btf_id, flag
• Changed between 6.2 and 6.5 ⚠️

  • Param added. const char **field_name
• No changes between 6.5 and 6.8 ✅