From 2935c9d8dede082220b09b0084195bb78361d095 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Fri, 14 Jan 2022 23:22:06 -0800
Subject: [PATCH] core: hle: kernel: KPageTable: Assert valid address on
GetPhysicalAddr.
---
src/core/hle/kernel/k_page_table.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h
index e57d225e66..60ae9b9e8f 100644
--- a/src/core/hle/kernel/k_page_table.h
+++ b/src/core/hle/kernel/k_page_table.h
@@ -248,7 +248,9 @@ public:
return !IsOutsideASLRRegion(address, size);
}
constexpr PAddr GetPhysicalAddr(VAddr addr) {
- return page_table_impl.backing_addr[addr >> PageBits] + addr;
+ const auto backing_addr = page_table_impl.backing_addr[addr >> PageBits];
+ ASSERT(backing_addr);
+ return backing_addr + addr;
}
constexpr bool Contains(VAddr addr) const {
return address_space_start <= addr && addr <= address_space_end - 1;