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kern: fix svc bounds checking for main memory size 4GB -> 8GB (closes #1320)

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Michael Scire committed 2021-01-07 03:43:09 -08:00
1 parent b21f8a5043
commit 1c9d6b4d90
3 files changed
+6 -6
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libraries/libmesosphere/source/svc/kern_svc_process.cpp
+3 -3
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@@ -175,9 +175,9 @@ namespace ams::kern::svc {
R_UNLESS(params.code_address + code_size - 1 <= map_end - 1, svc::ResultInvalidMemoryRegion());
/* Check that the number of pages is valid for the kernel address space. */
R_UNLESS(code_num_pages < (kern::MainMemorySize / PageSize), svc::ResultOutOfMemory());
R_UNLESS(system_resource_num_pages < (kern::MainMemorySize / PageSize), svc::ResultOutOfMemory());
R_UNLESS(total_pages < (kern::MainMemorySize / PageSize), svc::ResultOutOfMemory());
R_UNLESS(code_num_pages < (kern::MainMemorySizeMax / PageSize), svc::ResultOutOfMemory());
R_UNLESS(system_resource_num_pages < (kern::MainMemorySizeMax / PageSize), svc::ResultOutOfMemory());
R_UNLESS(total_pages < (kern::MainMemorySizeMax / PageSize), svc::ResultOutOfMemory());
/* Check that optimized memory allocation is used only for applications. */
const bool optimize_allocs = (params.flags & ams::svc::CreateProcessFlag_OptimizeMemoryAllocation) != 0;