DepSurf

Function: bpf_dynptr_set_null

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 ⚠️

  void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff81298430)
  Location: kernel/bpf/helpers.c:1452
  Inline: True
  Direct callers:
    - kernel/bpf/helpers.c:bpf_dynptr_from_mem
    - kernel/bpf/ringbuf.c:bpf_ringbuf_discard_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_discard_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_submit_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_submit_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
  

  Symbols:

  ffffffff81298430-ffffffff81298450: bpf_dynptr_set_null (STB_GLOBAL)
  

• In 6.2: ✅

  void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff812f3650)
  Location: kernel/bpf/helpers.c:1436
  Inline: False
  Direct callers:
    - kernel/bpf/helpers.c:bpf_dynptr_from_mem
    - kernel/bpf/ringbuf.c:bpf_ringbuf_discard_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_discard_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_submit_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_submit_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
  

  Symbols:

  ffffffff812f3650-ffffffff812f3670: bpf_dynptr_set_null (STB_GLOBAL)
  

• In 6.5: ✅

  void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff81320510)
  Location: kernel/bpf/helpers.c:1472
  Inline: False
  Direct callers:
    - kernel/bpf/helpers.c:bpf_dynptr_clone
    - kernel/bpf/helpers.c:bpf_dynptr_from_mem
    - kernel/bpf/ringbuf.c:bpf_ringbuf_discard_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_discard_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_submit_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_submit_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
    - net/core/filter.c:bpf_dynptr_from_xdp
    - net/core/filter.c:bpf_dynptr_from_skb
  

  Symbols:

  ffffffff81320510-ffffffff81320530: bpf_dynptr_set_null (STB_GLOBAL)
  

• In 6.8: ✅

  void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/helpers.c (ffffffff81342a10)
  Location: kernel/bpf/helpers.c:1491
  Inline: False
  Direct callers:
    - kernel/bpf/helpers.c:bpf_dynptr_clone
    - kernel/bpf/helpers.c:bpf_dynptr_from_mem
    - kernel/bpf/ringbuf.c:bpf_ringbuf_discard_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_discard_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_submit_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_submit_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
    - kernel/bpf/ringbuf.c:bpf_ringbuf_reserve_dynptr
    - net/core/filter.c:bpf_dynptr_from_xdp
    - net/core/filter.c:bpf_dynptr_from_skb
  

  Symbols:

  ffffffff81342a10-ffffffff81342a30: bpf_dynptr_set_null (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 ✅