DepSurf

Function: zstd_init_dctx

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: ✅

  zstd_dctx *zstd_init_dctx(void *workspace, size_t workspace_size);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/zstd/zstd_decompress_module.c (ffffffff81748530)
  Location: lib/zstd/zstd_decompress_module.c:47
  Inline: False
  Direct callers:
    - security/apparmor/apparmorfs.c:rawdata_open
    - drivers/base/firmware_loader/main.c:fw_decompress_zstd
  

  Symbols:

  ffffffff81748530-ffffffff81748558: zstd_init_dctx (STB_GLOBAL)
  

• In 6.2: ✅

  zstd_dctx *zstd_init_dctx(void *workspace, size_t workspace_size);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/zstd/zstd_decompress_module.c (ffffffff81869c90)
  Location: lib/zstd/zstd_decompress_module.c:47
  Inline: False
  Direct callers:
    - security/apparmor/apparmorfs.c:decompress_zstd
    - drivers/base/firmware_loader/main.c:fw_decompress_zstd
  

  Symbols:

  ffffffff81869c90-ffffffff81869cb8: zstd_init_dctx (STB_GLOBAL)
  

• In 6.5: ✅

  zstd_dctx *zstd_init_dctx(void *workspace, size_t workspace_size);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/zstd/zstd_decompress_module.c (ffffffff818aa900)
  Location: lib/zstd/zstd_decompress_module.c:47
  Inline: False
  Direct callers:
    - security/apparmor/apparmorfs.c:decompress_zstd
    - drivers/base/firmware_loader/main.c:fw_decompress_zstd
  

  Symbols:

  ffffffff818aa900-ffffffff818aa928: zstd_init_dctx (STB_GLOBAL)
  

• In 6.8: ✅

  zstd_dctx *zstd_init_dctx(void *workspace, size_t workspace_size);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In lib/zstd/zstd_decompress_module.c (ffffffff818fc4c0)
  Location: lib/zstd/zstd_decompress_module.c:47
  Inline: False
  Direct callers:
    - security/apparmor/apparmorfs.c:decompress_zstd
    - drivers/base/firmware_loader/main.c:fw_decompress_zstd
  

  Symbols:

  ffffffff818fc4c0-ffffffff818fc4e8: zstd_init_dctx (STB_GLOBAL)
  

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

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