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kern: add version bounds checking

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This commit is contained in:
Michael Scire
2020-08-18 04:03:01 -07:00
committed by SciresM
parent 56ec55f3c4
commit 47f2e93a42
5 changed files with 79 additions and 4 deletions
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7
libraries/libmesosphere/source/kern_k_process.cpp
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@@ -146,8 +146,11 @@ namespace ams::kern {
}
Result KProcess::Initialize(const ams::svc::CreateProcessParameter &params) {
/* TODO: Validate intended kernel version. */
/* How should we do this? */
/* Validate that the intended kernel version is high enough for us to support. */
R_UNLESS(this->capabilities.GetIntendedKernelVersion() >= ams::svc::RequiredKernelVersion, svc::ResultInvalidCombination());
/* Validate that the intended kernel version isn't too high for us to support. */
R_UNLESS(this->capabilities.GetIntendedKernelVersion() <= ams::svc::SupportedKernelVersion, svc::ResultInvalidCombination());
/* Create and clear the process local region. */
R_TRY(this->CreateThreadLocalRegion(std::addressof(this->plr_address)));