diff options
| author | Andreas Kling <awesomekling@gmail.com> | 2019-11-29 16:15:30 +0100 |
|---|---|---|
| committer | Andreas Kling <awesomekling@gmail.com> | 2019-11-29 16:30:05 +0100 |
| commit | e56daf547c120adfcdab1e1e8ea189a1f369bd0c (patch) | |
| tree | 89d1aac5b5ccdc6c0aa25b735a351b5623b6f139 /Kernel/VM/MemoryManager.cpp | |
| parent | ea52fe528a1b34590661c4556b6a4bbf68bb75f0 (diff) | |
| download | serenity-e56daf547c120adfcdab1e1e8ea189a1f369bd0c.zip | |
Kernel: Disallow syscalls from writeable memory
Processes will now crash with SIGSEGV if they attempt making a syscall
from PROT_WRITE memory.
This neat idea comes from OpenBSD. :^)
Diffstat (limited to 'Kernel/VM/MemoryManager.cpp')
| -rw-r--r-- | Kernel/VM/MemoryManager.cpp | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/Kernel/VM/MemoryManager.cpp b/Kernel/VM/MemoryManager.cpp index 540081d26c..5e5c5a9b88 100644 --- a/Kernel/VM/MemoryManager.cpp +++ b/Kernel/VM/MemoryManager.cpp @@ -289,7 +289,6 @@ Region* MemoryManager::user_region_from_vaddr(Process& process, VirtualAddress v Region* MemoryManager::region_from_vaddr(Process& process, VirtualAddress vaddr) { - ASSERT_INTERRUPTS_DISABLED(); if (auto* region = kernel_region_from_vaddr(vaddr)) return region; return user_region_from_vaddr(process, vaddr); |