DepSurf

Function: __bpf_dynptr_size

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: Selective Inline ⚠️

  u32 __bpf_dynptr_size(const struct bpf_dynptr_kern *ptr);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff813219af)
  Location: kernel/bpf/helpers.c:1446
  Inline: True
  Inline callers:
    - kernel/bpf/helpers.c:bpf_dynptr_size
    - kernel/bpf/helpers.c:bpf_dynptr_adjust
    - kernel/bpf/helpers.c:bpf_dynptr_slice
    - kernel/bpf/helpers.c:bpf_dynptr_data
    - kernel/bpf/helpers.c:bpf_dynptr_write
    - kernel/bpf/helpers.c:bpf_dynptr_read
  Direct callers:
    - kernel/trace/bpf_trace.c:bpf_verify_pkcs7_signature
    - kernel/trace/bpf_trace.c:bpf_verify_pkcs7_signature
  

  Symbols:

  ffffffff81320470-ffffffff81320489: __bpf_dynptr_size (STB_GLOBAL)
  

• In 6.8: Selective Inline ⚠️

  u32 __bpf_dynptr_size(const struct bpf_dynptr_kern *ptr);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff8134415f)
  Location: kernel/bpf/helpers.c:1465
  Inline: True
  Inline callers:
    - kernel/bpf/helpers.c:bpf_dynptr_size
    - kernel/bpf/helpers.c:bpf_dynptr_adjust
    - kernel/bpf/helpers.c:bpf_dynptr_slice
    - kernel/bpf/helpers.c:bpf_dynptr_data
    - kernel/bpf/helpers.c:bpf_dynptr_write
    - kernel/bpf/helpers.c:bpf_dynptr_read
  Direct callers:
    - kernel/trace/bpf_trace.c:bpf_get_file_xattr
    - kernel/trace/bpf_trace.c:bpf_verify_pkcs7_signature
    - kernel/trace/bpf_trace.c:bpf_verify_pkcs7_signature
    - fs/verity/measure.c:bpf_get_fsverity_digest
  

  Symbols:

  ffffffff81342970-ffffffff81342989: __bpf_dynptr_size (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 6.5 and 6.8 ✅