DepSurf

Function: bpf_obj_memcpy

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: Duplicate, Selective Inline, Transformation ⚠️

  void bpf_obj_memcpy(struct btf_field_offs *foffs, void *dst, void *src, u32 size, bool long_memcpy);
  

  Collision: Static Duplication

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/syscall.c (ffffffff812c5950)
  Location: include/linux/bpf.h:378
  Inline: True
  Direct callers:
    - kernel/bpf/syscall.c:bpf_map_copy_value
  

  In kernel/bpf/helpers.c (ffffffff812f28a0)
  Location: include/linux/bpf.h:378
  Inline: True
  Direct callers:
    - kernel/bpf/helpers.c:copy_map_value_locked
  

  In kernel/bpf/hashtab.c (ffffffff812f88b0)
  Location: include/linux/bpf.h:378
  Inline: True
  Direct callers:
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_batch
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_elem
    - kernel/bpf/hashtab.c:htab_lru_map_update_elem
    - kernel/bpf/hashtab.c:alloc_htab_elem
  

  In kernel/bpf/arraymap.c (ffffffff812fd860)
  Location: include/linux/bpf.h:378
  Inline: False
  Direct callers:
    - kernel/bpf/arraymap.c:__bpf_array_map_seq_show
    - kernel/bpf/arraymap.c:bpf_percpu_array_update
    - kernel/bpf/arraymap.c:array_map_update_elem
    - kernel/bpf/arraymap.c:bpf_percpu_array_copy
  

  In kernel/bpf/bpf_local_storage.c (ffffffff81305690)
  Location: include/linux/bpf.h:378
  Inline: True
  Direct callers:
    - kernel/bpf/bpf_local_storage.c:bpf_selem_alloc
  

  In net/core/bpf_sk_storage.c (ffffffff81e4c710)
  Location: include/linux/bpf.h:378
  Inline: True
  Direct callers:
    - net/core/bpf_sk_storage.c:diag_get
    - net/core/bpf_sk_storage.c:bpf_sk_storage_clone
  

  Symbols:

  ffffffff812c5950-ffffffff812c5a10: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff812f28a0-ffffffff812f2960: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff812f88b0-ffffffff812f8970: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff812fd860-ffffffff812fd99c: bpf_obj_memcpy (STB_LOCAL)
  ffffffff81305690-ffffffff81305750: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff81e4c710-ffffffff81e4c7d0: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  

• In 6.5: Duplicate, Selective Inline, Transformation ⚠️

  void bpf_obj_memcpy(struct btf_record *rec, void *dst, void *src, u32 size, bool long_memcpy);
  

  Collision: Static Duplication

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/syscall.c (ffffffff812eca70)
  Location: include/linux/bpf.h:432
  Inline: True
  Direct callers:
    - kernel/bpf/syscall.c:bpf_map_copy_value
  

  In kernel/bpf/helpers.c (ffffffff8131f4c0)
  Location: include/linux/bpf.h:432
  Inline: True
  Direct callers:
    - kernel/bpf/helpers.c:copy_map_value_locked
  

  In kernel/bpf/hashtab.c (ffffffff81326670)
  Location: include/linux/bpf.h:432
  Inline: False
  Direct callers:
    - kernel/bpf/hashtab.c:bpf_percpu_hash_copy
    - kernel/bpf/hashtab.c:__bpf_hash_map_seq_show
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_batch
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_batch
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_elem
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_elem
    - kernel/bpf/hashtab.c:htab_lru_map_update_elem
    - kernel/bpf/hashtab.c:alloc_htab_elem
  

  In kernel/bpf/arraymap.c (ffffffff8132c4b0)
  Location: include/linux/bpf.h:432
  Inline: False
  Direct callers:
    - kernel/bpf/arraymap.c:__bpf_array_map_seq_show
    - kernel/bpf/arraymap.c:bpf_percpu_array_update
    - kernel/bpf/arraymap.c:array_map_update_elem
    - kernel/bpf/arraymap.c:bpf_percpu_array_copy
  

  In kernel/bpf/bpf_local_storage.c (ffffffff81334000)
  Location: include/linux/bpf.h:432
  Inline: True
  Direct callers:
    - kernel/bpf/bpf_local_storage.c:bpf_selem_alloc
  

  In net/core/bpf_sk_storage.c (ffffffff81ea7e30)
  Location: include/linux/bpf.h:432
  Inline: True
  Direct callers:
    - net/core/bpf_sk_storage.c:diag_get
    - net/core/bpf_sk_storage.c:bpf_sk_storage_clone
  

  Symbols:

  ffffffff812eca70-ffffffff812ecb15: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff8131f4c0-ffffffff8131f565: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff81326670-ffffffff81326755: bpf_obj_memcpy (STB_LOCAL)
  ffffffff8132c4b0-ffffffff8132c595: bpf_obj_memcpy (STB_LOCAL)
  ffffffff81334000-ffffffff813340a5: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff81ea7e30-ffffffff81ea7ed5: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  

• In 6.8: Duplicate, Selective Inline, Transformation ⚠️

  void bpf_obj_memcpy(struct btf_record *rec, void *dst, void *src, u32 size, bool long_memcpy);
  

  Collision: Static Duplication

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/syscall.c (ffffffff8130b220)
  Location: include/linux/bpf.h:463
  Inline: True
  Direct callers:
    - kernel/bpf/syscall.c:bpf_map_copy_value
  

  In kernel/bpf/helpers.c (ffffffff813418f0)
  Location: include/linux/bpf.h:463
  Inline: True
  Direct callers:
    - kernel/bpf/helpers.c:copy_map_value_locked
  

  In kernel/bpf/hashtab.c (ffffffff8134acb0)
  Location: include/linux/bpf.h:463
  Inline: False
  Direct callers:
    - kernel/bpf/hashtab.c:bpf_percpu_hash_copy
    - kernel/bpf/hashtab.c:__bpf_hash_map_seq_show
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_batch
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_batch
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_elem
    - kernel/bpf/hashtab.c:__htab_map_lookup_and_delete_elem
    - kernel/bpf/hashtab.c:htab_lru_map_update_elem
    - kernel/bpf/hashtab.c:alloc_htab_elem
  

  In kernel/bpf/arraymap.c (ffffffff813509f0)
  Location: include/linux/bpf.h:463
  Inline: False
  Direct callers:
    - kernel/bpf/arraymap.c:__bpf_array_map_seq_show
    - kernel/bpf/arraymap.c:bpf_percpu_array_update
    - kernel/bpf/arraymap.c:array_map_update_elem
    - kernel/bpf/arraymap.c:bpf_percpu_array_copy
  

  In kernel/bpf/bpf_local_storage.c (ffffffff813586f0)
  Location: include/linux/bpf.h:463
  Inline: True
  Direct callers:
    - kernel/bpf/bpf_local_storage.c:bpf_selem_alloc
  

  In net/core/bpf_sk_storage.c (ffffffff81f6a8e0)
  Location: include/linux/bpf.h:463
  Inline: True
  Direct callers:
    - net/core/bpf_sk_storage.c:diag_get
    - net/core/bpf_sk_storage.c:bpf_sk_storage_clone
  

  Symbols:

  ffffffff8130b220-ffffffff8130b2c5: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff813418f0-ffffffff81341995: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff8134acb0-ffffffff8134ad95: bpf_obj_memcpy (STB_LOCAL)
  ffffffff813509f0-ffffffff81350ad5: bpf_obj_memcpy (STB_LOCAL)
  ffffffff813586f0-ffffffff81358795: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  ffffffff81f6a8e0-ffffffff81f6a985: bpf_obj_memcpy.constprop.0 (STB_LOCAL)
  

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 6.2 and 6.5 ⚠️

  • Param added. struct btf_record *rec
  • Param removed. struct btf_field_offs *foffs
• No changes between 6.5 and 6.8 ✅