DepSurf

Function: __siphash_unaligned

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: ✅

  u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/siphash.c (ffffffff81666d10)
  Location: lib/siphash.c:86
  Inline: False
  Direct callers:
    - fs/crypto/fname.c:fscrypt_fname_siphash
    - net/core/secure_seq.c:secure_dccpv6_sequence_number
    - net/core/secure_seq.c:secure_ipv6_port_ephemeral
    - net/core/secure_seq.c:secure_tcpv6_seq
    - net/core/secure_seq.c:secure_tcpv6_ts_off
    - net/core/flow_dissector.c:skb_get_hash_perturb
    - net/core/flow_dissector.c:__skb_get_hash
    - net/core/flow_dissector.c:__skb_get_hash_symmetric
    - net/core/flow_dissector.c:flow_hash_from_keys
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
  

  Symbols:

  ffffffff81666d10-ffffffff81666f31: __siphash_unaligned (STB_GLOBAL)
  

• In 5.19: ✅

  u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/siphash.c (ffffffff81781750)
  Location: lib/siphash.c:79
  Inline: False
  Direct callers:
    - fs/crypto/fname.c:fscrypt_fname_siphash
    - net/core/secure_seq.c:secure_dccpv6_sequence_number
    - net/core/secure_seq.c:secure_ipv6_port_ephemeral
    - net/core/secure_seq.c:secure_tcpv6_seq
    - net/core/secure_seq.c:secure_tcpv6_ts_off
    - net/core/flow_dissector.c:skb_get_hash_perturb
    - net/core/flow_dissector.c:__skb_get_hash
    - net/core/flow_dissector.c:__skb_get_hash_symmetric
    - net/core/flow_dissector.c:flow_hash_from_keys
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
  

  Symbols:

  ffffffff81781750-ffffffff817819a5: __siphash_unaligned (STB_GLOBAL)
  

• In 6.2: ✅

  u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/siphash.c (ffffffff8203d020)
  Location: lib/siphash.c:79
  Inline: False
  Direct callers:
    - fs/crypto/fname.c:fscrypt_fname_siphash
    - net/core/secure_seq.c:secure_dccpv6_sequence_number
    - net/core/secure_seq.c:secure_ipv6_port_ephemeral
    - net/core/secure_seq.c:secure_tcpv6_seq
    - net/core/secure_seq.c:secure_tcpv6_ts_off
    - net/core/flow_dissector.c:skb_get_hash_perturb
    - net/core/flow_dissector.c:__skb_get_hash
    - net/core/flow_dissector.c:__skb_get_hash_symmetric
    - net/core/flow_dissector.c:flow_hash_from_keys
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
  

  Symbols:

  ffffffff8203d020-ffffffff8203d264: __siphash_unaligned (STB_GLOBAL)
  

• In 6.5: ✅

  u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/siphash.c (ffffffff820bb520)
  Location: lib/siphash.c:79
  Inline: False
  Direct callers:
    - fs/crypto/fname.c:fscrypt_fname_siphash
    - net/core/secure_seq.c:secure_dccpv6_sequence_number
    - net/core/secure_seq.c:secure_ipv6_port_ephemeral
    - net/core/secure_seq.c:secure_tcpv6_seq
    - net/core/secure_seq.c:secure_tcpv6_ts_off
    - net/core/flow_dissector.c:skb_get_hash_perturb
    - net/core/flow_dissector.c:__skb_get_hash
    - net/core/flow_dissector.c:__skb_get_hash_symmetric
    - net/core/flow_dissector.c:flow_hash_from_keys
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
  

  Symbols:

  ffffffff820bb520-ffffffff820bb764: __siphash_unaligned (STB_GLOBAL)
  

• In 6.8: ✅

  u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/siphash.c (ffffffff82195e20)
  Location: lib/siphash.c:79
  Inline: False
  Direct callers:
    - fs/crypto/fname.c:fscrypt_fname_siphash
    - net/core/secure_seq.c:secure_dccpv6_sequence_number
    - net/core/secure_seq.c:secure_ipv6_port_ephemeral
    - net/core/secure_seq.c:secure_tcpv6_seq
    - net/core/secure_seq.c:secure_tcpv6_ts_off
    - net/core/flow_dissector.c:skb_get_hash_perturb
    - net/core/flow_dissector.c:__skb_get_hash
    - net/core/flow_dissector.c:__skb_get_hash_symmetric
    - net/core/flow_dissector.c:flow_hash_from_keys
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
    - net/ipv4/tcp_fastopen.c:tcp_try_fastopen
  

  Symbols:

  ffffffff82195e20-ffffffff82196064: __siphash_unaligned (STB_GLOBAL)
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: ✅

  u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/siphash.c (ffffffe0008ba474)
  Location: lib/siphash.c:85
  Inline: False
  Direct callers:
    - net/core/flow_dissector.c:flow_hash_from_keys
  

  Symbols:

  ffffffe0008ba474-ffffffe0008ba808: __siphash_unaligned (STB_GLOBAL)
  

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch