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c25cf5fb5680389dadadd98fae19bcd7d96386ca
ladybird/Kernel
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Andreas Kling c25cf5fb56 Kernel: Panic if we're about to switch to a user thread with IOPL!=0 
This is a crude protection against IOPL elevation attacks. If for
any reason we find ourselves about to switch to a user mode thread
with IOPL != 0, we'll now simply panic the kernel.

If this happens, it basically means that something tricked the kernel
into incorrectly modifying the IOPL of a thread, so it's no longer
safe to trust the kernel anyway.
2020-12-23 14:30:10 +01:00
..
ACPI
Kernel: Workaround QEMU bug and initialize i8042 controller
2020-12-18 10:02:14 +01:00
API
Kernel: Move InodeWatcher::Event into Kernel/API/InodeWatcherEvent
2020-12-14 23:05:53 +01:00
Arch
Kernel: Panic if we're about to switch to a user thread with IOPL!=0
2020-12-23 14:30:10 +01:00
Devices
Kernel: Introduce the new Storage subsystem
2020-12-21 00:19:21 +01:00
FileSystem
Kernel: Allow sys$chmod() to modify the set-gid bit
2020-12-22 17:48:42 +01:00
Heap
Kernel: Defer kmalloc heap contraction
2020-11-04 21:21:37 +01:00
Interrupts
Kernel: Allow to install a real IRQ handler on a spurious one
2020-12-21 00:19:21 +01:00
Modules
Kernel: Module symbol declarations for type-checking
2020-08-12 20:40:59 +02:00
Net
Kernel/Net: Support all E1000 devices in the spec sheet
2020-12-22 14:44:11 +01:00
PCI
Kernel/PCI: Add a bunch of debug output to accessors
2020-12-22 09:24:48 +01:00
Storage
Kernel: Introduce the StorageManagement class
2020-12-21 00:19:21 +01:00
Syscalls
Kernel: Don't allow modifying IOPL via sys$ptrace() or sys$sigreturn()
2020-12-22 19:38:25 +01:00
Tasks
Kernel: Fix some issues related to fixes and block conditions
2020-12-12 21:28:12 +01:00
Time
Kernel: Improve time keeping and dramatically reduce interrupt load
2020-12-21 18:26:12 +01:00
TTY
Everywhere: Switch from (void) to [[maybe_unused]] (#4473)
2020-12-21 00:09:48 +01:00
VM
Kernel: Don't skip if found free page to allocate from a super region
2020-12-21 00:15:58 +01:00
.gitignore
…
Assertions.h
Everywhere: Switch from (void) to [[maybe_unused]] (#4473)
2020-12-21 00:09:48 +01:00
CMakeLists.txt
Kernel: Introduce the StorageManagement class
2020-12-21 00:19:21 +01:00
CMOS.cpp
Kernel: Absorb LibBareMetal back into the kernel
2020-05-16 12:00:04 +02:00
CMOS.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
CommandLine.cpp
Meta+Kernel: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
CommandLine.h
Kernel: Copy command line to a safe place
2020-08-25 09:48:48 +02:00
Console.cpp
Meta+Kernel: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
Console.h
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
CoreDump.cpp
Kernel: Abort core dump generation if any substep fails
2020-12-22 10:09:41 +01:00
CoreDump.h
Kernel: Abort core dump generation if any substep fails
2020-12-22 10:09:41 +01:00
DoubleBuffer.cpp
Kernel: Move block condition evaluation out of the Scheduler
2020-11-30 13:17:02 +01:00
DoubleBuffer.h
Kernel: Move block condition evaluation out of the Scheduler
2020-11-30 13:17:02 +01:00
Forward.h
Kernel: Generate a coredump file when a process crashes
2020-12-14 23:05:53 +01:00
init.cpp
Kernel: Introduce the StorageManagement class
2020-12-21 00:19:21 +01:00
IO.h
Kernel: Absorb LibBareMetal back into the kernel
2020-05-16 12:00:04 +02:00
KBuffer.h
Kernel: Make KBuffer::try_create_with_bytes() actually copy the bytes
2020-12-23 00:40:11 +01:00
KBufferBuilder.cpp
Kernel: Move KBufferBuilder to the fallible KBuffer API
2020-12-18 19:22:26 +01:00
KBufferBuilder.h
Kernel: Move KBufferBuilder to the fallible KBuffer API
2020-12-18 19:22:26 +01:00
kprintf.cpp
Kernel: Stop supporting sprintf
2020-08-22 20:55:10 +02:00
KResult.h
Meta+Kernel: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
kstdio.h
Kernel: Stop supporting sprintf
2020-08-22 20:55:10 +02:00
KSyms.cpp
Kernel: Move KBufferBuilder to the fallible KBuffer API
2020-12-18 19:22:26 +01:00
KSyms.h
Kernel: Update cryptically-named functions related to symbolication
2020-04-08 17:19:46 +02:00
linker.ld
Kernel: Invoke heap constructors separately early on
2020-08-10 20:05:18 +02:00
Lock.cpp
Kernel: Fix Lock race causing infinite spinning between two threads
2020-12-16 23:38:17 +01:00
Lock.h
Kernel: Fix Lock race causing infinite spinning between two threads
2020-12-16 23:38:17 +01:00
LockMode.h
Kernel: Fix Lock race causing infinite spinning between two threads
2020-12-16 23:38:17 +01:00
mkmap.sh
Build: Switch to CMake :^)
2020-05-14 20:15:18 +02:00
Module.h
Kernel: Move all code into the Kernel namespace
2020-02-16 01:27:42 +01:00
Multiboot.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
PerformanceEventBuffer.cpp
Kernel: Use fallible KBuffer API in PerformanceEventBuffer
2020-12-19 10:23:12 +01:00
PerformanceEventBuffer.h
Kernel: Use fallible KBuffer API in PerformanceEventBuffer
2020-12-19 10:23:12 +01:00
PhysicalAddress.h
Meta+Kernel: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
Process.cpp
Kernel: Abort core dump generation if any substep fails
2020-12-22 10:09:41 +01:00
Process.h
Kernel: Move KBufferBuilder to the fallible KBuffer API
2020-12-18 19:22:26 +01:00
ProcessGroup.cpp
Kernel: Move block condition evaluation out of the Scheduler
2020-11-30 13:17:02 +01:00
ProcessGroup.h
Kernel: Move block condition evaluation out of the Scheduler
2020-11-30 13:17:02 +01:00
Profiling.cpp
AK: Rename KB, MB, GB to KiB, MiB, GiB
2020-08-16 16:33:28 +02:00
Profiling.h
Kernel: More PID/TID typing
2020-08-10 11:51:45 +02:00
Ptrace.cpp
Kernel: Don't allow modifying IOPL via sys$ptrace() or sys$sigreturn()
2020-12-22 19:38:25 +01:00
Ptrace.h
Meta+Kernel: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
Random.cpp
Kernel: Fix some issues related to fixes and block conditions
2020-12-12 21:28:12 +01:00
Random.h
LibCrypto: Require intent parameter in CTR constructor
2020-11-29 20:22:56 +01:00
RTC.cpp
Kernel: Minor tweak to now() computation
2020-08-26 08:52:07 +02:00
RTC.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
Scheduler.cpp
Kernel: Panic if we're about to switch to a user thread with IOPL!=0
2020-12-23 14:30:10 +01:00
Scheduler.h
Kernel: Fix some issues related to fixes and block conditions
2020-12-12 21:28:12 +01:00
SharedBuffer.cpp
Kernel: Fix SharedBuffer reference counting on fork
2020-11-24 21:26:39 +01:00
SharedBuffer.h
Kernel: Fix SharedBuffer reference counting on fork
2020-11-24 21:26:39 +01:00
SpinLock.h
Kernel: Minor SpinLock improvements
2020-11-11 12:27:25 +01:00
StdLib.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
StdLib.h
Kernel: Add checks for is_trivially_copyable to copy_to/from_user
2020-10-02 15:38:07 +02:00
Syscall.cpp
Kernel: Don't allow modifying IOPL via sys$ptrace() or sys$sigreturn()
2020-12-22 19:38:25 +01:00
Thread.cpp
Kernel: Improve time keeping and dramatically reduce interrupt load
2020-12-21 18:26:12 +01:00
Thread.h
Kernel: Improve time keeping and dramatically reduce interrupt load
2020-12-21 18:26:12 +01:00
ThreadBlockers.cpp
Kernel: Change wait blocking to Process-only blocking
2020-12-12 21:28:12 +01:00
ThreadTracer.cpp
Kernel: PID/TID typing
2020-08-10 11:51:45 +02:00
ThreadTracer.h
Kernel: PID/TID typing
2020-08-10 11:51:45 +02:00
TimerQueue.cpp
Kernel: Improve time keeping and dramatically reduce interrupt load
2020-12-21 18:26:12 +01:00
TimerQueue.h
Kernel: Improve time keeping and dramatically reduce interrupt load
2020-12-21 18:26:12 +01:00
UnixTypes.h
Kernel: Improve time keeping and dramatically reduce interrupt load
2020-12-21 18:26:12 +01:00
UserOrKernelBuffer.cpp
AK: Add StringBuilder::appendff using the new format.
2020-09-22 15:06:40 +02:00
UserOrKernelBuffer.h
FileSystem: Use OutputMemoryStream instead of BufferStream.
2020-09-15 20:36:45 +02:00
VirtualAddress.h
Meta+Kernel: Make clang-format-10 clean
2020-09-25 21:18:17 +02:00
WaitQueue.cpp
Kernel: Fix Lock race causing infinite spinning between two threads
2020-12-16 23:38:17 +01:00
WaitQueue.h
Kernel: Fix Lock race causing infinite spinning between two threads
2020-12-16 23:38:17 +01:00