Changeset 107780 in vbox for trunk/src/VBox/VMM

Timestamp:

Jan 15, 2025 1:18:52 PM (3 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

166916

Message:

VMM/VMMR3/GICR3.cpp: Fix currently impossible overflow (cCpus is very low due to VMM_MAX_CPU_COUNT), bugref:3409

File:

• trunk/src/VBox/VMM/VMMR3/GICR3.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/GICR3.cpp

@@ -462 +462 @@
                                 N_("Configuration error: Failed to get the \"RedistributorMmioBase\" value"));
 
-    RTGCPHYS cbRegion = pVM->cCpus * (GIC_REDIST_REG_FRAME_SIZE + GIC_REDIST_SGI_PPI_REG_FRAME_SIZE); /* Adjacent and per vCPU. */
+    RTGCPHYS cbRegion = (RTGCPHYS)pVM->cCpus * (GIC_REDIST_REG_FRAME_SIZE + GIC_REDIST_SGI_PPI_REG_FRAME_SIZE); /* Adjacent and per vCPU. */
     rc = PDMDevHlpMmioCreateAndMap(pDevIns, GCPhysMmioBase, cbRegion, gicReDistMmioWrite, gicReDistMmioRead,
                                    IOMMMIO_FLAGS_READ_DWORD | IOMMMIO_FLAGS_WRITE_DWORD_ZEROED, "GICv3_ReDist", &pGicDev->hMmioReDist);