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Kernel: Don't consider kernel memory regions for syscall origin check

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We should never enter the syscall handler from a kernel address.
This commit is contained in:
Andreas Kling 2021-04-20 21:01:13 +02:00
parent d71f64b97f
commit c6b7b98b64
3 changed files with 6 additions and 6 deletions
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2
Kernel/VM/MemoryManager.h
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@ -188,6 +188,7 @@ public:
}
static Region* find_region_from_vaddr(Space&, VirtualAddress);
static Region* find_user_region_from_vaddr(Space&, VirtualAddress);
void dump_kernel_regions();
@ -215,7 +216,6 @@ private:
static void flush_tlb_local(VirtualAddress, size_t page_count = 1);
static void flush_tlb(const PageDirectory*, VirtualAddress, size_t page_count = 1);
static Region* user_region_from_vaddr(Space&, VirtualAddress);
static Region* kernel_region_from_vaddr(VirtualAddress);
static Region* find_region_from_vaddr(VirtualAddress);