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kern: fix KHandleTable null deref in ipc

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This commit is contained in:
Michael Scire 2020-12-02 04:05:16 -08:00
parent eccadf2958
commit 94d818db90
1 changed files with 4 additions and 2 deletions
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6
libraries/libmesosphere/include/mesosphere/kern_k_handle_table.hpp
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@ -166,8 +166,10 @@ namespace ams::kern {
KScopedSpinLock lk(this->lock);
KAutoObject *obj = this->GetObjectImpl(handle);
if (obj->DynamicCast<KInterruptEvent *>() != nullptr) {
return nullptr;
if (AMS_LIKELY(obj != nullptr)) {
if (AMS_UNLIKELY(obj->DynamicCast<KInterruptEvent *>() != nullptr)) {
return nullptr;
}
}
return obj;