website-function

Function: save_register_state

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: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (ffffffff811d7710)
  Location: kernel/bpf/verifier.c:1869
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_mem_access
  

  Symbols:

  ffffffff811d7710-ffffffff811d77c5: save_register_state.isra.0 (STB_LOCAL)
  

• In 5.4: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (ffffffff811e3e00)
  Location: kernel/bpf/verifier.c:1870
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_mem_access
  

  Symbols:

  ffffffff811e3e00-ffffffff811e3eb5: save_register_state.isra.0 (STB_LOCAL)
  

• In 5.8: ✅

  void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff81201e20)
  Location: kernel/bpf/verifier.c:2189
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write
  

  Symbols:

  ffffffff81201e20-ffffffff81201ee8: save_register_state (STB_LOCAL)
  

• In 5.11: ✅

  void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff81201890)
  Location: kernel/bpf/verifier.c:2262
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write
  

  Symbols:

  ffffffff81201890-ffffffff81201958: save_register_state (STB_LOCAL)
  

• In 5.13: ✅

  void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff812027f0)
  Location: kernel/bpf/verifier.c:2567
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
  

  Symbols:

  ffffffff812027f0-ffffffff812028bb: save_register_state (STB_LOCAL)
  

• In 5.15: ✅

  void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff81234850)
  Location: kernel/bpf/verifier.c:2635
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
  

  Symbols:

  ffffffff81234850-ffffffff8123491b: save_register_state (STB_LOCAL)
  

• In 5.19: Selective Inline ⚠️

  void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg, int size);
  

  Collision: Unique Static

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff8128e19f)
  Location: kernel/bpf/verifier.c:2971
  Inline: True
  Inline callers:
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
  

  Symbols:

  ffffffff81278090-ffffffff812781a4: save_register_state (STB_LOCAL)
  

• In 6.2: ✅

  void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg, int size);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff812ce670)
  Location: kernel/bpf/verifier.c:3396
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
  

  Symbols:

  ffffffff812ce670-ffffffff812ce789: save_register_state (STB_LOCAL)
  

• In 6.5: ✅

  void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg, int size);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (ffffffff812f5bb0)
  Location: kernel/bpf/verifier.c:4259
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
  

  Symbols:

  ffffffff812f5bb0-ffffffff812f5d16: save_register_state (STB_LOCAL)
  

• In 6.8: Transformation ⚠️

  void save_register_state(struct bpf_verifier_env *env, struct bpf_func_state *state, int spi, struct bpf_reg_state *reg, int size);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (0)
  Location: kernel/bpf/verifier.c:4417
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
    - kernel/bpf/verifier.c:check_stack_write_fixed_off
  

  Symbols:

  ffffffff81317530-ffffffff813176d1: save_register_state (STB_LOCAL)
  ffffffff821ba98a-ffffffff821ba9ad: save_register_state.cold (STB_LOCAL)
  

Arch

• In arm64: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (ffff800010266cd0)
  Location: kernel/bpf/verifier.c:1870
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write
  

  Symbols:

  ffff800010266cd0-ffff800010266d84: save_register_state.isra.0 (STB_LOCAL)
  

• In armhf: ✅

  void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/verifier.c (c04980bc)
  Location: kernel/bpf/verifier.c:1870
  Inline: False
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write
  

  Symbols:

  c04980bc-c049812c: save_register_state (STB_LOCAL)
  

• In ppc64el: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (c00000000030c200)
  Location: kernel/bpf/verifier.c:1870
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write
  

  Symbols:

  c00000000030c200-c00000000030c2a4: save_register_state.isra.0 (STB_LOCAL)
  

• In riscv64: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (ffffffe0001a221a)
  Location: kernel/bpf/verifier.c:1870
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_stack_write
  

  Symbols:

  ffffffe0001a221a-ffffffe0001a22a6: save_register_state.isra.0 (STB_LOCAL)
  

Flavor

• In aws: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (ffffffff811dc420)
  Location: kernel/bpf/verifier.c:1870
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_mem_access
  

  Symbols:

  ffffffff811dc420-ffffffff811dc4d5: save_register_state.isra.0 (STB_LOCAL)
  

• In azure: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (ffffffff811cf1e0)
  Location: kernel/bpf/verifier.c:1870
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_mem_access
  

  Symbols:

  ffffffff811cf1e0-ffffffff811cf295: save_register_state.isra.0 (STB_LOCAL)
  

• In gcp: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (ffffffff811da1f0)
  Location: kernel/bpf/verifier.c:1870
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_mem_access
  

  Symbols:

  ffffffff811da1f0-ffffffff811da2a5: save_register_state.isra.0 (STB_LOCAL)
  

• In lowlatency: Selective Inline, Transformation ⚠️

  Collision: Unique Static

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/bpf/verifier.c (ffffffff811e8600)
  Location: kernel/bpf/verifier.c:1870
  Inline: True
  Direct callers:
    - kernel/bpf/verifier.c:check_mem_access
  

  Symbols:

  ffffffff811e8600-ffffffff811e86b5: save_register_state.isra.0 (STB_LOCAL)
  

Differences

Regular

• No changes between 5.8 and 5.11 ✅
• 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. int size
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Param added. struct bpf_verifier_env *env
  • Param reordered. state, spi, reg, size ➡️ env, state, spi, reg, size

Arch