DepSurf

Function: bpf_dynptr_check_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: Selective Inline ⚠️

  int bpf_dynptr_check_size(u32 size);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff81298459)
  Location: kernel/bpf/helpers.c:1438
  Inline: True
  Inline callers:
    - kernel/bpf/helpers.c:bpf_dynptr_from_mem
  Direct callers:
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
  

  Symbols:

  ffffffff812983e0-ffffffff812983fe: bpf_dynptr_check_size (STB_GLOBAL)
  

• In 6.2: Selective Inline ⚠️

  int bpf_dynptr_check_size(u32 size);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff812f3689)
  Location: kernel/bpf/helpers.c:1422
  Inline: True
  Inline callers:
    - kernel/bpf/helpers.c:bpf_dynptr_from_mem
  Direct callers:
    - kernel/bpf/ringbuf.c:bpf_user_ringbuf_drain
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
  

  Symbols:

  ffffffff812f35e0-ffffffff812f35fe: bpf_dynptr_check_size (STB_GLOBAL)
  

• In 6.5: Selective Inline ⚠️

  int bpf_dynptr_check_size(u32 size);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff81320549)
  Location: kernel/bpf/helpers.c:1458
  Inline: True
  Inline callers:
    - kernel/bpf/helpers.c:bpf_dynptr_from_mem
  Direct callers:
    - kernel/bpf/ringbuf.c:bpf_user_ringbuf_drain
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
  

  Symbols:

  ffffffff813204a0-ffffffff813204be: bpf_dynptr_check_size (STB_GLOBAL)
  

• In 6.8: Selective Inline ⚠️

  int bpf_dynptr_check_size(u32 size);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff81342a49)
  Location: kernel/bpf/helpers.c:1477
  Inline: True
  Inline callers:
    - kernel/bpf/helpers.c:bpf_dynptr_from_mem
  Direct callers:
    - kernel/bpf/ringbuf.c:bpf_user_ringbuf_drain
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
  

  Symbols:

  ffffffff813429a0-ffffffff813429be: bpf_dynptr_check_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 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅