website-function

Function: `__kernel_is_locked_down`

Status

Regular

In 4.4: Absent ⚠️
In 4.8: Absent ⚠️
In 4.10: Absent ⚠️
In 4.13: Absent ⚠️

In 4.15: ✅

bool __kernel_is_locked_down(const char *what, bool first);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In security/lock_down.c (ffffffff81425080)
Location: security/lock_down.c:60
Inline: False
Direct callers:
  - arch/x86/kernel/ioport.c:SyS_iopl
  - arch/x86/kernel/ioport.c:sys_ioperm
  - kernel/power/hibernate.c:hibernation_available
  - kernel/power/user.c:snapshot_open
  - kernel/module.c:load_module
  - kernel/kexec.c:compat_SyS_kexec_load
  - fs/debugfs/file.c:full_proxy_open
  - fs/debugfs/file.c:open_proxy_open
  - drivers/pci/pci-sysfs.c:pci_write_resource_io
  - drivers/pci/pci-sysfs.c:pci_write_config
  - drivers/pci/proc.c:proc_bus_pci_mmap
  - drivers/pci/proc.c:proc_bus_pci_ioctl
  - drivers/pci/proc.c:proc_bus_pci_write
  - drivers/acpi/tables.c:acpi_table_upgrade
  - drivers/acpi/osl.c:acpi_os_get_root_pointer
  - drivers/tty/serial/serial_core.c:uart_ioctl
  - drivers/char/mem.c:open_port

Symbols:

ffffffff81425080-ffffffff814250b8: __kernel_is_locked_down (STB_GLOBAL)

In 4.18: Transformation ⚠️

bool __kernel_is_locked_down(const char *what, bool first);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In security/lock_down.c (0)
Location: security/lock_down.c:69
Inline: False
Direct callers:
  - arch/x86/kernel/ioport.c:__ia32_sys_iopl
  - arch/x86/kernel/ioport.c:__x64_sys_iopl
  - arch/x86/kernel/ioport.c:ksys_ioperm
  - kernel/power/hibernate.c:hibernation_available
  - kernel/power/user.c:snapshot_open
  - kernel/module.c:load_module
  - kernel/kexec.c:__x32_compat_sys_kexec_load
  - kernel/kexec.c:__ia32_compat_sys_kexec_load
  - kernel/kexec.c:__ia32_sys_kexec_load
  - kernel/kexec.c:__x64_sys_kexec_load
  - kernel/bpf/syscall.c:__ia32_sys_bpf
  - kernel/bpf/syscall.c:__x64_sys_bpf
  - kernel/events/core.c:__do_sys_perf_event_open
  - fs/debugfs/inode.c:debugfs_setattr
  - drivers/pci/pci-sysfs.c:pci_write_resource_io
  - drivers/pci/pci-sysfs.c:pci_write_config
  - drivers/pci/proc.c:proc_bus_pci_mmap
  - drivers/pci/proc.c:proc_bus_pci_ioctl
  - drivers/pci/proc.c:proc_bus_pci_write
  - drivers/acpi/tables.c:acpi_table_upgrade
  - drivers/acpi/osl.c:acpi_os_get_root_pointer
  - drivers/tty/serial/serial_core.c:uart_ioctl
  - drivers/char/mem.c:open_port

Symbols:

ffffffff81457ec8-ffffffff81457ef3: __kernel_is_locked_down.cold.0 (STB_LOCAL)
ffffffff81457e80-ffffffff81457ea5: __kernel_is_locked_down (STB_GLOBAL)

In 5.0: Transformation ⚠️

bool __kernel_is_locked_down(const char *what, bool first);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In security/lock_down.c (0)
Location: security/lock_down.c:69
Inline: False
Direct callers:
  - arch/x86/kernel/ioport.c:__ia32_sys_iopl
  - arch/x86/kernel/ioport.c:__x64_sys_iopl
  - arch/x86/kernel/ioport.c:ksys_ioperm
  - kernel/power/hibernate.c:hibernation_available
  - kernel/power/user.c:snapshot_open
  - kernel/module.c:load_module
  - kernel/kexec.c:__x32_compat_sys_kexec_load
  - kernel/kexec.c:__ia32_compat_sys_kexec_load
  - kernel/kexec.c:__ia32_sys_kexec_load
  - kernel/kexec.c:__x64_sys_kexec_load
  - kernel/bpf/syscall.c:__do_sys_bpf
  - kernel/events/core.c:__do_sys_perf_event_open
  - fs/debugfs/inode.c:debugfs_setattr
  - drivers/pci/pci-sysfs.c:pci_write_resource_io
  - drivers/pci/pci-sysfs.c:pci_write_config
  - drivers/pci/proc.c:proc_bus_pci_mmap
  - drivers/pci/proc.c:proc_bus_pci_ioctl
  - drivers/pci/proc.c:proc_bus_pci_write
  - drivers/acpi/tables.c:acpi_table_upgrade
  - drivers/acpi/osl.c:acpi_os_get_root_pointer
  - drivers/tty/serial/serial_core.c:uart_set_info_user
  - drivers/char/mem.c:open_port

Symbols:

ffffffff814753b8-ffffffff814753e3: __kernel_is_locked_down.cold.0 (STB_LOCAL)
ffffffff81475370-ffffffff81475395: __kernel_is_locked_down (STB_GLOBAL)

In 5.3: Transformation ⚠️

bool __kernel_is_locked_down(const char *what, bool first);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In security/lock_down.c (0)
Location: security/lock_down.c:71
Inline: False
Direct callers:
  - arch/x86/kernel/ioport.c:__ia32_sys_iopl
  - arch/x86/kernel/ioport.c:__x64_sys_iopl
  - arch/x86/kernel/ioport.c:ksys_ioperm
  - kernel/power/hibernate.c:hibernation_available
  - kernel/power/user.c:snapshot_open
  - kernel/module.c:load_module
  - kernel/kexec.c:__x32_compat_sys_kexec_load
  - kernel/kexec.c:__ia32_compat_sys_kexec_load
  - kernel/kexec.c:__ia32_sys_kexec_load
  - kernel/kexec.c:__x64_sys_kexec_load
  - kernel/kexec_file.c:kimage_file_alloc_init
  - kernel/kprobes.c:register_kprobe
  - kernel/bpf/syscall.c:__do_sys_bpf
  - kernel/events/core.c:__do_sys_perf_event_open
  - fs/proc/kcore.c:open_kcore
  - fs/debugfs/inode.c:debugfs_setattr
  - drivers/pci/pci-sysfs.c:pci_write_resource_io
  - drivers/pci/pci-sysfs.c:pci_write_config
  - drivers/pci/proc.c:proc_bus_pci_mmap
  - drivers/pci/proc.c:proc_bus_pci_ioctl
  - drivers/pci/proc.c:proc_bus_pci_write
  - drivers/acpi/tables.c:acpi_table_upgrade
  - drivers/acpi/osl.c:acpi_os_get_root_pointer
  - drivers/tty/serial/serial_core.c:uart_set_info
  - drivers/char/mem.c:open_port

Symbols:

ffffffff814a30c8-ffffffff814a30f3: __kernel_is_locked_down.cold (STB_LOCAL)
ffffffff814a3080-ffffffff814a30a5: __kernel_is_locked_down (STB_GLOBAL)

In 5.4: Absent ⚠️
In 5.8: Absent ⚠️
In 5.11: Absent ⚠️
In 5.13: Absent ⚠️
In 5.15: Absent ⚠️
In 5.19: Absent ⚠️
In 6.2: Absent ⚠️
In 6.5: Absent ⚠️
In 6.8: Absent ⚠️

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 4.15 and 4.18 ✅
No changes between 4.18 and 5.0 ✅
No changes between 5.0 and 5.3 ✅

website-function

Function: __kernel_is_locked_down

Status

Differences

Function: `__kernel_is_locked_down`