diff --git a/app/src/main/cpp/skyline/common/address_space.inc b/app/src/main/cpp/skyline/common/address_space.inc
index f2ba8bb6..75673b8e 100644
--- a/app/src/main/cpp/skyline/common/address_space.inc
+++ b/app/src/main/cpp/skyline/common/address_space.inc
@@ -406,7 +406,7 @@ namespace skyline {
             if (searchSuccessor != this->blocks.end())
                 allocStart = searchPredecessor->virt;
             else
-                throw exception("Unexpected allocator state!");
+                return {}; // AS is full
         }
 
 
diff --git a/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/as_gpu.cpp b/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/as_gpu.cpp
index 712c5a99..887757d1 100644
--- a/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/as_gpu.cpp
+++ b/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/as_gpu.cpp
@@ -65,10 +65,13 @@ namespace skyline::service::nvdrv::device::nvhost {
 
         auto &allocator{pageSize == VM::PageSize ? *vm.smallPageAllocator : *vm.bigPageAllocator};
 
-        if (flags.fixed)
+        if (flags.fixed) {
             allocator.AllocateFixed(static_cast<u32>(offset >> pageSizeBits), pages);
-        else
+        } else {
             offset = static_cast<u64>(allocator.Allocate(pages)) << pageSizeBits;
+            if (!offset)
+                throw exception("Failed to allocate free space in the GPU AS!");
+        }
 
         u64 size{static_cast<u64>(pages) * pageSize};
 
@@ -236,6 +239,9 @@ namespace skyline::service::nvdrv::device::nvhost {
             u32 pageSizeBits{bigPage ? vm.bigPageSizeBits : VM::PageSizeBits};
 
             offset = static_cast<u64>(allocator.Allocate(static_cast<u32>(util::AlignUp(size, pageSize) >> pageSizeBits))) << pageSizeBits;
+            if (!offset)
+                throw exception("Failed to allocate free space in the GPU AS!");
+
             asCtx->gmmu.Map(offset, cpuPtr, size);
 
             auto mapping{std::make_shared<Mapping>(cpuPtr, offset, size, false, bigPage, false)};
diff --git a/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/gpu_channel.cpp b/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/gpu_channel.cpp
index f3b6066a..c558be72 100644
--- a/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/gpu_channel.cpp
+++ b/app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/gpu_channel.cpp
@@ -182,6 +182,8 @@ namespace skyline::service::nvdrv::device::nvhost {
 
         // Allocate pages in the GPU AS
         pushBufferAddr = static_cast<u64>(asAllocator->Allocate((static_cast<u32>(pushBufferWords) >> AsGpu::VM::PageSizeBits) + 1)) << AsGpu::VM::PageSizeBits;
+        if (!pushBufferAddr)
+            throw exception("Failed to allocate channel pushbuffer!");
 
         // Map onto the GPU
         asCtx->gmmu.Map(pushBufferAddr, reinterpret_cast<u8 *>(pushBufferMemory.data()), pushBufferSize);