DepSurf

Function: kernel_read_file_from_path

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: ✅

  int kernel_read_file_from_path(char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812396b0)
  Location: fs/exec.c:958
  Inline: False
  Direct callers:
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_class.c:_request_firmware
  

  Symbols:

  ffffffff812396b0-ffffffff81239720: kernel_read_file_from_path (STB_GLOBAL)
  

• In 4.10: ✅

  int kernel_read_file_from_path(char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff8124c3f0)
  Location: fs/exec.c:963
  Inline: False
  Direct callers:
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_class.c:_request_firmware
  

  Symbols:

  ffffffff8124c3f0-ffffffff8124c460: kernel_read_file_from_path (STB_GLOBAL)
  

• In 4.13: ✅

  int kernel_read_file_from_path(char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812584f0)
  Location: fs/exec.c:989
  Inline: False
  Direct callers:
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_class.c:_request_firmware
  

  Symbols:

  ffffffff812584f0-ffffffff81258562: kernel_read_file_from_path (STB_GLOBAL)
  

• In 4.15: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff8127a860)
  Location: fs/exec.c:970
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_class.c:_request_firmware
  

  Symbols:

  ffffffff8127a860-ffffffff8127a8d2: kernel_read_file_from_path (STB_GLOBAL)
  

• In 4.18: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812a13a0)
  Location: fs/exec.c:974
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:_request_firmware
  

  Symbols:

  ffffffff812a13a0-ffffffff812a141d: kernel_read_file_from_path (STB_GLOBAL)
  

• In 5.0: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812b6640)
  Location: fs/exec.c:977
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:_request_firmware
  

  Symbols:

  ffffffff812b6640-ffffffff812b66bd: kernel_read_file_from_path (STB_GLOBAL)
  

• In 5.3: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812d33a0)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  ffffffff812d33a0-ffffffff812d3416: kernel_read_file_from_path (STB_GLOBAL)
  

• In 5.4: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812e4f30)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  ffffffff812e4f30-ffffffff812e4fa6: kernel_read_file_from_path (STB_GLOBAL)
  

• In 5.8: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff8131bfe0)
  Location: fs/exec.c:1003
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_read_policy
  

  Symbols:

  ffffffff8131bfe0-ffffffff8131c056: kernel_read_file_from_path (STB_GLOBAL)
  

• In 5.11: ✅

  int kernel_read_file_from_path(const char *path, loff_t offset, void **buf, size_t buf_size, size_t *file_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/kernel_read_file.c (ffffffff81365d90)
  Location: fs/kernel_read_file.c:127
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_read_policy
  

  Symbols:

  ffffffff81365d90-ffffffff81365e16: kernel_read_file_from_path (STB_GLOBAL)
  

• In 5.13: ✅

  int kernel_read_file_from_path(const char *path, loff_t offset, void **buf, size_t buf_size, size_t *file_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/kernel_read_file.c (ffffffff8136c7d0)
  Location: fs/kernel_read_file.c:127
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_read_policy
  

  Symbols:

  ffffffff8136c7d0-ffffffff8136c856: kernel_read_file_from_path (STB_GLOBAL)
  

• In 5.15: ✅

  int kernel_read_file_from_path(const char *path, loff_t offset, void **buf, size_t buf_size, size_t *file_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/kernel_read_file.c (ffffffff813bb4a0)
  Location: fs/kernel_read_file.c:127
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_read_policy
  

  Symbols:

  ffffffff813bb4a0-ffffffff813bb526: kernel_read_file_from_path (STB_GLOBAL)
  

• In 5.19: ✅

  int kernel_read_file_from_path(const char *path, loff_t offset, void **buf, size_t buf_size, size_t *file_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/kernel_read_file.c (ffffffff81441460)
  Location: fs/kernel_read_file.c:127
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_read_policy
  

  Symbols:

  ffffffff81441460-ffffffff814414f8: kernel_read_file_from_path (STB_GLOBAL)
  

• In 6.2: ✅

  ssize_t kernel_read_file_from_path(const char *path, loff_t offset, void **buf, size_t buf_size, size_t *file_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/kernel_read_file.c (ffffffff814d03e0)
  Location: fs/kernel_read_file.c:127
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_read_policy
  

  Symbols:

  ffffffff814d03e0-ffffffff814d0479: kernel_read_file_from_path (STB_GLOBAL)
  

• In 6.5: ✅

  ssize_t kernel_read_file_from_path(const char *path, loff_t offset, void **buf, size_t buf_size, size_t *file_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/kernel_read_file.c (ffffffff81506690)
  Location: fs/kernel_read_file.c:127
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_read_policy
  

  Symbols:

  ffffffff81506690-ffffffff81506729: kernel_read_file_from_path (STB_GLOBAL)
  

• In 6.8: ✅

  ssize_t kernel_read_file_from_path(const char *path, loff_t offset, void **buf, size_t buf_size, size_t *file_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/kernel_read_file.c (ffffffff8153b3b0)
  Location: fs/kernel_read_file.c:127
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_read_policy
  

  Symbols:

  ffffffff8153b3b0-ffffffff8153b449: kernel_read_file_from_path (STB_GLOBAL)
  

Arch

• In arm64: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffff80001038c9e8)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  ffff80001038c9e8-ffff80001038ca88: kernel_read_file_from_path (STB_GLOBAL)
  

• In armhf: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (c057462c)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  c057462c-c05746b8: kernel_read_file_from_path (STB_GLOBAL)
  

• In ppc64el: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (c000000000484a00)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  c000000000484a00-c000000000484ae8: kernel_read_file_from_path (STB_GLOBAL)
  

• In riscv64: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffe00025dfa2)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  ffffffe00025dfa2-ffffffe00025e022: kernel_read_file_from_path (STB_GLOBAL)
  

Flavor

• In aws: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812dd510)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  ffffffff812dd510-ffffffff812dd586: kernel_read_file_from_path (STB_GLOBAL)
  

• In azure: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812ce190)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  ffffffff812ce190-ffffffff812ce206: kernel_read_file_from_path (STB_GLOBAL)
  

• In gcp: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812db320)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:_request_firmware
  

  Symbols:

  ffffffff812db320-ffffffff812db396: kernel_read_file_from_path (STB_GLOBAL)
  

• In lowlatency: ✅

  int kernel_read_file_from_path(const char *path, void **buf, loff_t *size, loff_t max_size, enum kernel_read_file_id id);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/exec.c (ffffffff812ec2a0)
  Location: fs/exec.c:978
  Inline: False
  Direct callers:
    - security/integrity/digsig.c:integrity_load_x509
    - security/integrity/ima/ima_fs.c:ima_write_policy
    - drivers/base/firmware_loader/main.c:fw_get_filesystem_firmware
  

  Symbols:

  ffffffff812ec2a0-ffffffff812ec316: kernel_read_file_from_path (STB_GLOBAL)
  

Differences

Regular

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

  • Param type changed. char *path ➡️ const char *path
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Param added. loff_t offset
  • Param added. size_t buf_size
  • Param added. size_t *file_size
  • Param removed. loff_t *size
  • Param removed. loff_t max_size
  • Param reordered. path, buf, size, max_size, id ➡️ path, offset, buf, buf_size, file_size, id
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• Changed between 5.19 and 6.2 ⚠️

  • Return type changed. int ➡️ ssize_t
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

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 ✅