DepSurf

Function: chacha20_block

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: ✅

  void chacha20_block(u32 *state, void *stream);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/chacha20.c (ffffffff81890c10)
  Location: lib/chacha20.c:24
  Inline: False
  Direct callers:
    - drivers/char/random.c:_extract_crng
  

  Symbols:

  ffffffff81890c10-ffffffff81890eb1: chacha20_block (STB_GLOBAL)
  

• In 4.10: ✅

  void chacha20_block(u32 *state, void *stream);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/chacha20.c (ffffffff818c5230)
  Location: lib/chacha20.c:24
  Inline: False
  Direct callers:
    - drivers/char/random.c:_extract_crng
  

  Symbols:

  ffffffff818c5230-ffffffff818c54d1: chacha20_block (STB_GLOBAL)
  

• In 4.13: ✅

  void chacha20_block(u32 *state, void *stream);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/chacha20.c (ffffffff818eb560)
  Location: lib/chacha20.c:24
  Inline: False
  Direct callers:
    - drivers/char/random.c:_extract_crng
  

  Symbols:

  ffffffff818eb560-ffffffff818eb7fc: chacha20_block (STB_GLOBAL)
  

• In 4.15: ✅

  void chacha20_block(u32 *state, void *stream);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/chacha20.c (ffffffff81971520)
  Location: lib/chacha20.c:24
  Inline: False
  Direct callers:
    - drivers/char/random.c:_extract_crng
  

  Symbols:

  ffffffff81971520-ffffffff819717bc: chacha20_block (STB_GLOBAL)
  

• In 4.18: ✅

  void chacha20_block(u32 *state, u32 *stream);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/chacha20.c (ffffffff819cd8f0)
  Location: lib/chacha20.c:19
  Inline: False
  Direct callers:
    - drivers/char/random.c:_extract_crng
  

  Symbols:

  ffffffff819cd8f0-ffffffff819cdb8c: chacha20_block (STB_GLOBAL)
  

• In 5.0: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff81666532)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In 5.3: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff8169af42)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In 5.4: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff816bdc72)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In 5.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff817724f2)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In 5.11: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff8178d562)
  Location: include/crypto/chacha.h:34
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In 5.13: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff81770512)
  Location: include/crypto/chacha.h:34
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In 5.15: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff817f5ec5)
  Location: include/crypto/chacha.h:34
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In 5.19: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff819354c1)
  Location: include/crypto/chacha.h:34
  Inline: True
  Inline callers:
    - drivers/char/random.c:get_random_bytes_user
    - drivers/char/random.c:_get_random_bytes
    - drivers/char/random.c:_get_random_bytes
    - drivers/char/random.c:crng_fast_key_erasure
  

• In 6.2: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff81a93da1)
  Location: include/crypto/chacha.h:34
  Inline: True
  Inline callers:
    - drivers/char/random.c:get_random_bytes_user
    - drivers/char/random.c:_get_random_bytes
    - drivers/char/random.c:_get_random_bytes
    - drivers/char/random.c:crng_fast_key_erasure
  

• In 6.5: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff81adef81)
  Location: include/crypto/chacha.h:34
  Inline: True
  Inline callers:
    - drivers/char/random.c:get_random_bytes_user
    - drivers/char/random.c:_get_random_bytes
    - drivers/char/random.c:_get_random_bytes
    - drivers/char/random.c:crng_fast_key_erasure
  

• In 6.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff81b323a1)
  Location: include/crypto/chacha.h:34
  Inline: True
  Inline callers:
    - drivers/char/random.c:get_random_bytes_user
    - drivers/char/random.c:_get_random_bytes
    - drivers/char/random.c:_get_random_bytes
    - drivers/char/random.c:crng_fast_key_erasure
  

Arch

• In arm64: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffff8000108afaa8)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In armhf: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (c09aa320)
  Location: include/crypto/chacha.h:38
  Inline: True
  

• In ppc64el: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (c000000000947cf8)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In riscv64: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffe0005620f2)
  Location: include/crypto/chacha.h:38
  Inline: True
  

Flavor

• In aws: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff816836e2)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In azure: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff81661362)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In gcp: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff816b1ab2)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

• In lowlatency: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In drivers/char/random.c (ffffffff816cbf52)
  Location: include/crypto/chacha.h:38
  Inline: True
  Inline callers:
    - drivers/char/random.c:_extract_crng
  

Differences

Regular

• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• Changed between 4.15 and 4.18 ⚠️

  • Param type changed. void *stream ➡️ u32 *stream