DepSurf

Function: hkdf_extract

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: Transformation ⚠️

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In fs/crypto/hkdf.c (0)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  ffffffff8134b690-ffffffff8134b74d: hkdf_extract (STB_LOCAL)
  ffffffff8134bb47-ffffffff8134bb53: hkdf_extract.cold (STB_LOCAL)
  

• In 5.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffff813910cc)
  Location: fs/crypto/hkdf.c:43
  Inline: True
  Inline callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

• In 5.11: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffff813a252c)
  Location: fs/crypto/hkdf.c:43
  Inline: True
  Inline callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

• In 5.13: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffff813a96ac)
  Location: fs/crypto/hkdf.c:43
  Inline: True
  Inline callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

• In 5.15: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffff813f8eec)
  Location: fs/crypto/hkdf.c:48
  Inline: True
  Inline callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

• In 5.19: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffff8146bcab)
  Location: fs/crypto/hkdf.c:48
  Inline: True
  Inline callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

• In 6.2: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffff814fcfab)
  Location: fs/crypto/hkdf.c:48
  Inline: True
  Inline callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

• In 6.5: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffff8153450b)
  Location: fs/crypto/hkdf.c:48
  Inline: True
  Inline callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

• In 6.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffff815694cb)
  Location: fs/crypto/hkdf.c:48
  Inline: True
  Inline callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

Arch

• In arm64: ✅

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffff80001040c0a8)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  ffff80001040c0a8-ffff80001040c194: hkdf_extract (STB_LOCAL)
  

• In armhf: ✅

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (c05d91cc)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  c05d91cc-c05d92a0: hkdf_extract (STB_LOCAL)
  

• In ppc64el: ✅

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (c000000000518fa0)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  c000000000518fa0-c0000000005190bc: hkdf_extract (STB_LOCAL)
  

• In riscv64: ✅

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In fs/crypto/hkdf.c (ffffffe0002b5a7c)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  ffffffe0002b5a7c-ffffffe0002b5b02: hkdf_extract (STB_LOCAL)
  

Flavor

• In aws: Transformation ⚠️

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In fs/crypto/hkdf.c (0)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  ffffffff81343c70-ffffffff81343d2d: hkdf_extract (STB_LOCAL)
  ffffffff81344127-ffffffff81344133: hkdf_extract.cold (STB_LOCAL)
  

• In azure: Transformation ⚠️

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In fs/crypto/hkdf.c (0)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  ffffffff81334950-ffffffff81334a0d: hkdf_extract (STB_LOCAL)
  ffffffff81334e07-ffffffff81334e13: hkdf_extract.cold (STB_LOCAL)
  

• In gcp: Transformation ⚠️

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In fs/crypto/hkdf.c (0)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  ffffffff81341740-ffffffff813417fd: hkdf_extract (STB_LOCAL)
  ffffffff81341bf7-ffffffff81341c03: hkdf_extract.cold (STB_LOCAL)
  

• In lowlatency: Transformation ⚠️

  int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm, unsigned int ikmlen, u8 *prk);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In fs/crypto/hkdf.c (0)
  Location: fs/crypto/hkdf.c:43
  Inline: False
  Direct callers:
    - fs/crypto/hkdf.c:fscrypt_init_hkdf
  

  Symbols:

  ffffffff81354a40-ffffffff81354afd: hkdf_extract (STB_LOCAL)
  ffffffff81354ef7-ffffffff81354f03: hkdf_extract.cold (STB_LOCAL)
  

Differences

Regular

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅