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0fc24fe2564736689859e7edfa177a86dac36bf9
ladybird/Kernel/VM
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Andreas Kling 0fc24fe256 Kernel: User pointer validation should reject kernel-only addresses 
We were happily allowing syscalls with pointers into kernel-only
regions (virtual address >= 0xc0000000).

This patch fixes that by only considering user regions in the current
process, and also double-checking the Region::is_user_accessible() flag
before approving an access.

Thanks to Fire30 for finding the bug! :^)
2019-12-31 00:24:35 +01:00
..
AnonymousVMObject.cpp
Kernel: Use a FixedArray for VMObject::m_physical_pages
2019-08-07 20:12:50 +02:00
AnonymousVMObject.h
Kernel: Start implementing purgeable memory support
2019-12-09 19:12:38 +01:00
InodeVMObject.cpp
Kernel: Add a mode flag to sys$purge and allow purging clean inodes
2019-12-29 13:16:53 +01:00
InodeVMObject.h
Kernel: Add a mode flag to sys$purge and allow purging clean inodes
2019-12-29 13:16:53 +01:00
MemoryManager.cpp
Kernel: User pointer validation should reject kernel-only addresses
2019-12-31 00:24:35 +01:00
MemoryManager.h
Kernel: Detect support for no-execute (NX) CPU features
2019-12-26 10:05:51 +01:00
PageDirectory.cpp
Kernel: Enable PAE (Physical Address Extension)
2019-12-25 13:35:57 +01:00
PageDirectory.h
Kernel: Enable PAE (Physical Address Extension)
2019-12-25 13:35:57 +01:00
PhysicalAddress.h
Kernel: Add LogStream operator<< for PhysicalAddress
2019-09-15 20:47:49 +02:00
PhysicalPage.cpp
Kernel: Move kmalloc() into a Kernel/Heap/ directory
2019-09-16 09:01:44 +02:00
PhysicalPage.h
Kernel: Add a simple slab allocator for small allocations
2019-09-16 10:33:27 +02:00
PhysicalRegion.cpp
Kernel: Fix returning pages to regions >= 2GB
2019-09-17 09:27:23 +02:00
PhysicalRegion.h
Kernel: Move PhysicalAddress.h into VM/
2019-07-09 15:04:45 +02:00
PurgeableVMObject.cpp
Kernel: When physical page allocation fails, try to purge something
2019-12-26 11:45:36 +01:00
PurgeableVMObject.h
Kernel: When physical page allocation fails, try to purge something
2019-12-26 11:45:36 +01:00
RangeAllocator.cpp
Kernel: Make it possible to turn off VM guard pages at compile time
2019-09-30 17:22:16 +02:00
RangeAllocator.h
AK: Rename <AK/AKString.h> to <AK/String.h>
2019-09-06 15:36:54 +02:00
Region.cpp
Kernel: Add a mode flag to sys$purge and allow purging clean inodes
2019-12-29 13:16:53 +01:00
Region.h
Kernel+SystemMonitor: Expose amount of per-process dirty private memory
2019-12-29 12:28:32 +01:00
VirtualAddress.h
Kernel: Add LogStream operator<< for VirtualAddress
2019-08-06 10:28:46 +02:00
VMObject.cpp
Kernel: Rename vmo => vmobject everywhere
2019-12-19 19:15:27 +01:00
VMObject.h
Kernel: Start implementing purgeable memory support
2019-12-09 19:12:38 +01:00