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sceKernelCreateLwMutex: Reject a misaligned work area

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A 6.60 PSP returns SCE_KERNEL_ERROR_ILLEGAL_ADDR for one (checked with a
throwaway test; the other bad addresses hang the PSP, so they can't go in
pspautotests).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Henrik RydgårdandClaude Opus 5.5 committed 2026-10-31 11:39:19 +01:00
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commit b238eb2125
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Core/HLE/sceKernelMutex.cpp
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@@ -609,6 +609,11 @@ int sceKernelCreateLwMutex(MIPSState *mips, u32 workareaPtr, const char *name, u
return hleLogError(Log::sceKernel, SCE_KERNEL_ERROR_ILLEGAL_COUNT);
}
// A PSP rejects a misaligned work area. One it can't access hangs it instead, so for those the
// error is our choice.
if ((workareaPtr & 3) != 0) {
return hleLogError(Log::sceKernel, SCE_KERNEL_ERROR_ILLEGAL_ADDR, "misaligned workarea");
}
auto workarea = PSPPointer<NativeLwMutexWorkarea>::Create(workareaPtr);
if (!workarea.IsValid()) {
return hleLogError(Log::sceKernel, SCE_KERNEL_ERROR_ILLEGAL_ADDR, "bad workarea");