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serenity/Kernel
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Robin Burchell 2d4d465206 SharedBuffer: Fix a denial of service 
It's a very bad idea to increment the refcount on behalf of another
process. That process may (for either benign or evil reasons) not
reference the SharedBuffer, and then we'll be stuck with loads of
SharedBuffers until we OOM.

Instead, increment the refcount when the buffer is mapped. That way, a
buffer is only kept if *someone* has explicitly requested it via
get_shared_buffer.

Fixes #341
2019-07-19 19:06:28 +02:00
..
Arch/i386 Kernel: Move VirtualAddress.h into VM/ 2019-07-09 15:04:45 +02:00
Boot Kernel: Make better use of the multiboot info. 2019-06-02 09:53:42 +02:00
Devices Kernel: Restore state strings for block states 2019-07-19 11:03:22 +02:00
FileSystem Kernel: Some small refinements to the thread blockers. 2019-07-19 13:19:47 +02:00
Net Kernel: Remove memory allocations from the new Blocker API 2019-07-19 11:03:22 +02:00
TTY AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
VM Kernel: Share the "return to ring 0/3 from signal" trampolines globally. 2019-07-19 17:01:16 +02:00
.bochsrc Give the emulator testing environments 128 MB of RAM. 2019-03-27 13:02:29 +01:00
.gitignore Meta: Removed all gitignore in the source tree only keeping the root one 2019-06-30 10:41:26 +02:00
Assertions.h Kernel: Move i386.{cpp,h} => Arch/i386/CPU.{cpp,h} 2019-06-07 20:02:01 +02:00
build-image-grub.sh Build: Remove grub from default build process 2019-06-04 07:15:44 -07:00
build-image-qemu.sh Build: Fix incorrect user and group settings for disk image (#280) 2019-07-03 16:57:37 +02:00
build-root-filesystem.sh SystemDialog: Add a new app for showing system dialogs. 2019-07-16 21:41:13 +02:00
CMOS.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
CMOS.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
Console.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
Console.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
DoubleBuffer.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
DoubleBuffer.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
grub.cfg Kernel: Parse cmdline for root filesystem e.g. root=/dev/hda1 2019-06-04 07:14:40 -07:00
init.cpp Kernel: Remove memory allocations from the new Blocker API 2019-07-19 11:03:22 +02:00
install.sh Build: Install most headers to Root (and libcore.a/libgui.a) 2019-05-17 21:59:48 +02:00
IO.h Kernel: First cut of a sb16 driver 2019-07-13 08:00:24 +02:00
IRQHandler.cpp Kernel: Move PIC.cpp into Arch/i386/ 2019-07-09 15:04:43 +02:00
IRQHandler.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
KeyCode.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
kmalloc.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
kmalloc.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
KParams.cpp Kernel: Fix KParams parsing with trailing space in kernel cmdline 2019-06-04 07:08:07 -07:00
KParams.h Kernel: Run clang-format on everything. 2019-06-07 11:43:58 +02:00
kprintf.cpp Kernel: Colorize debugger output from the kernel. 2019-06-22 22:45:16 +02:00
KResult.h Kernel: Fix KResultOr move constructor not copying errors. 2019-06-14 06:24:02 +02:00
kstdio.h LibHTML: Make it possible to build LibHTML on the host. 2019-06-22 21:21:57 +02:00
KSyms.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
KSyms.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
linker.ld Kernel: Use a multiboot header instead of a convoluted two-part bootloader. 2019-04-01 21:43:07 +02:00
Lock.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
makeall.sh LibDraw: Introduce (formerly known as SharedGraphics.) 2019-07-18 10:18:16 +02:00
Makefile Kernel: Initial FDC Device Driver (#315) 2019-07-17 15:51:51 +02:00
mkmap.sh Kernel: Don't symbolicate symbol+offset for obvious non-kernel addresses. 2019-04-30 14:47:22 +02:00
MousePacket.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
Multiboot.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
PCI.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
PCI.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
Process.cpp SharedBuffer: Fix a denial of service 2019-07-19 19:06:28 +02:00
Process.h Kernel: Share the "return to ring 0/3 from signal" trampolines globally. 2019-07-19 17:01:16 +02:00
ProcessTracer.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
ProcessTracer.h Kernel: Move File.{cpp,h} into FileSystem/ 2019-07-09 15:04:45 +02:00
RTC.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
RTC.h Add clang-format file 2019-05-28 17:31:20 +02:00
run Kernel: First cut of a sb16 driver 2019-07-13 08:00:24 +02:00
Scheduler.cpp AK: Introduce IntrusiveList 2019-07-19 15:42:30 +02:00
Scheduler.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
SharedBuffer.cpp SharedBuffer: Fix a denial of service 2019-07-19 19:06:28 +02:00
SharedBuffer.h SharedBuffer: Fix a denial of service 2019-07-19 19:06:28 +02:00
StdLib.cpp AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
StdLib.h AK: Rename the common integer typedefs to make it obvious what they are. 2019-07-03 21:20:13 +02:00
sync.sh Build: Remove grub from default build process 2019-06-04 07:15:44 -07:00
Syscall.cpp Kernel: Only allow superuser to halt() the system (#342) 2019-07-19 13:08:26 +02:00
Syscall.h Kernel+Userland: Addd reboot syscall (#334) 2019-07-19 09:58:12 +02:00
Thread.cpp Kernel: Share the "return to ring 0/3 from signal" trampolines globally. 2019-07-19 17:01:16 +02:00
Thread.h Thread: Fix a regression introduced in 80a6df9022 2019-07-19 16:06:51 +02:00
UnixTypes.h Kernel: Add support for the WSTOPPED flag to the waitpid() syscall. 2019-07-14 11:35:49 +02:00