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ladybird/Kernel
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Tom 365fa05a82 Kernel: Handle safe_memcpy/safe_memset/safe_strnlen faults in irq handlers 
Fix gracefully failing these calls if used within IRQ handlers. If we're
handling IRQs, we need to handle these failures first, because we can't
really resolve page faults in a meaningful way. But if we know that it
was one of these functions that failed, then we can gracefully handle
the situation.

This solves a crash where the Scheduler attempts to produce backtraces
in the timer irq, some of which cause faults.

Fixes #3492
2020-09-14 21:18:59 +02:00
..
ACPI
Kernel: Add SMP IPI support
2020-07-06 17:07:44 +02:00
API
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Arch
Kernel: Handle safe_memcpy/safe_memset/safe_strnlen faults in irq handlers
2020-09-14 21:18:59 +02:00
Devices
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
FileSystem
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Heap
Kernel: Fix heap expansion loop
2020-09-09 20:14:30 +02:00
Interrupts
Refactor: Replace usages of FixedArray with Vector.
2020-09-08 14:01:21 +02:00
Modules
Kernel: Module symbol declarations for type-checking
2020-08-12 20:40:59 +02:00
Net
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
PCI
Kernel: Add PCI::get_programming_interface(PCI::Address)
2020-09-03 21:02:47 +02:00
Syscalls
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Tasks
Kernel: Require a reason to be passed to Thread::wait_on
2020-07-06 10:00:24 +02:00
Time
AK: Remove FixedArray class.
2020-09-08 14:01:21 +02:00
TTY
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
VM
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
.gitignore
…
Assertions.h
…
CMakeLists.txt
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
CMOS.cpp
…
CMOS.h
…
CommandLine.cpp
Kernel: Copy command line to a safe place
2020-08-25 09:48:48 +02:00
CommandLine.h
Kernel: Copy command line to a safe place
2020-08-25 09:48:48 +02:00
Console.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Console.h
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
DoubleBuffer.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
DoubleBuffer.h
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Forward.h
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
init.cpp
Kernel/USB: Start fleshing out a basic UHCI controller driver :^)
2020-09-04 21:21:41 +02:00
IO.h
…
KBuffer.h
Kernel: Make Inode::read_entire() return a KBuffer (not ByteBuffer)
2020-08-11 20:29:14 +02:00
KBufferBuilder.cpp
AK: Rename KB, MB, GB to KiB, MiB, GiB
2020-08-16 16:33:28 +02:00
KBufferBuilder.h
…
kprintf.cpp
Kernel: Stop supporting sprintf
2020-08-22 20:55:10 +02:00
KResult.h
Kernel: Decorate KResult and KResultOr<T> methods with [[nodiscard]]
2020-08-09 00:13:39 +02:00
kstdio.h
Kernel: Stop supporting sprintf
2020-08-22 20:55:10 +02:00
KSyms.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
KSyms.h
…
linker.ld
Kernel: Invoke heap constructors separately early on
2020-08-10 20:05:18 +02:00
Lock.cpp
Kernel: Add SMP IPI support
2020-07-06 17:07:44 +02:00
Lock.h
…
mkmap.sh
…
Module.h
…
Multiboot.h
…
PerformanceEventBuffer.cpp
Kernel: Don't use copy_from_user() for kernelspace read in perf events
2020-08-17 09:57:18 +02:00
PerformanceEventBuffer.h
Kernel: PID/TID typing
2020-08-10 11:51:45 +02:00
PhysicalAddress.h
…
Process.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Process.h
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
ProcessGroup.cpp
Kernel: Distinguish between new and old process groups with equal pgids
2020-08-19 21:21:34 +02:00
ProcessGroup.h
Kernel: Distinguish between new and old process groups with equal pgids
2020-08-19 21:21:34 +02:00
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: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Ptrace.h
…
Random.cpp
Kernel: Switch singletons to use new Singleton class
2020-08-25 09:48:48 +02:00
Random.h
Kernel: Switch singletons to use new Singleton class
2020-08-25 09:48:48 +02:00
RTC.cpp
Kernel: Minor tweak to now() computation
2020-08-26 08:52:07 +02:00
RTC.h
…
Scheduler.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Scheduler.h
Kernel: Fix a few Thread::block related races
2020-08-03 15:59:11 +02:00
SharedBuffer.cpp
Kernel: Unbreak building with extra debug macros, part 2
2020-08-30 09:43:49 +02:00
SharedBuffer.h
Kernel: PID/TID typing
2020-08-10 11:51:45 +02:00
SpinLock.h
Kernel: Do not wait before first attempt at locking SpinLock (#3212)
2020-08-19 11:10:53 +02:00
StdLib.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
StdLib.h
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
Syscall.cpp
Kernel: Request random numbers for syscall stack noise in larger chunks (#3125)
2020-08-13 21:05:08 +02:00
Thread.cpp
Kernel: Stop back trace on a null base pointer
2020-09-14 11:31:12 +02:00
Thread.h
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
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: Switch singletons to use new Singleton class
2020-08-25 09:48:48 +02:00
TimerQueue.h
Kernel: Switch singletons to use new Singleton class
2020-08-25 09:48:48 +02:00
UnixTypes.h
Kernel+LibC+UE: Introduce SIGINFO (generated with ^T)
2020-09-09 21:10:23 +02:00
UserOrKernelBuffer.cpp
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
UserOrKernelBuffer.h
Kernel: Make copy_to/from_user safe and remove unnecessary checks
2020-09-13 21:19:15 +02:00
VirtualAddress.h
…
WaitQueue.cpp
Kernel: Dequeue dying threads from WaitQueue
2020-08-06 10:02:55 +02:00
WaitQueue.h
Kernel: Dequeue dying threads from WaitQueue
2020-08-06 10:02:55 +02:00