- Fix overflow in host memory size calculation.

- Catch up with PG_CACHE removal on head.

PR:		211432

2 files changed, 63 insertions, 0 deletions

diff --git a/emulators/virtualbox-ose/files/patch-src_VBox_Main_src-server_freebsd_PerformanceFreeBSD.cpp b/emulators/virtualbox-ose/files/patch-src_VBox_Main_src-server_freebsd_PerformanceFreeBSD.cpp
new file mode 100644
index 000000000000..631547ac9cee
--- /dev/null
+++ b/emulators/virtualbox-ose/files/patch-src_VBox_Main_src-server_freebsd_PerformanceFreeBSD.cpp
@@ -0,0 +1,24 @@
+--- src/VBox/Main/src-server/freebsd/PerformanceFreeBSD.cpp.orig	2017-07-27 13:18:27 UTC
++++ src/VBox/Main/src-server/freebsd/PerformanceFreeBSD.cpp
+@@ -80,8 +80,10 @@ int CollectorFreeBSD::getHostMemoryUsage(ULONG *total,
+     cbParameter = sizeof(cPagesMemInactive);
+     if (!sysctlbyname("vm.stats.vm.v_inactive_count", &cPagesMemInactive, &cbParameter, NULL, 0))
+         cProcessed++;
++#if __FreeBSD_version < 1200016
+     cbParameter = sizeof(cPagesMemCached);
+     if (!sysctlbyname("vm.stats.vm.v_cache_count", &cPagesMemCached, &cbParameter, NULL, 0))
++#endif
+         cProcessed++;
+     cbParameter = sizeof(cbPage);
+     if (!sysctlbyname("hw.pagesize", &cbPage, &cbParameter, NULL, 0))
+@@ -90,8 +92,8 @@ int CollectorFreeBSD::getHostMemoryUsage(ULONG *total,
+     if (cProcessed == 6)
+     {
+         *total     = cbMemPhys / _1K;
+-        *used      = cPagesMemUsed * (cbPage / _1K);
+-        *available = (cPagesMemFree + cPagesMemInactive + cPagesMemCached ) * (cbPage / _1K);
++        *used      = (uint64_t)cPagesMemUsed * (cbPage / _1K);
++        *available = ((uint64_t)cPagesMemFree + cPagesMemInactive + cPagesMemCached) * (cbPage / _1K);
+     }
+     else
+         rc = VERR_NOT_SUPPORTED;
diff --git a/emulators/virtualbox-ose/files/patch-src_VBox_Runtime_r3_freebsd_systemmem-freebsd.cpp b/emulators/virtualbox-ose/files/patch-src_VBox_Runtime_r3_freebsd_systemmem-freebsd.cpp
new file mode 100644
index 000000000000..92af93646dd6
--- /dev/null
+++ b/emulators/virtualbox-ose/files/patch-src_VBox_Runtime_r3_freebsd_systemmem-freebsd.cpp
@@ -0,0 +1,39 @@
+--- src/VBox/Runtime/r3/freebsd/systemmem-freebsd.cpp.orig	2017-07-27 13:18:46 UTC
++++ src/VBox/Runtime/r3/freebsd/systemmem-freebsd.cpp
+@@ -65,7 +65,6 @@ RTDECL(int) RTSystemQueryAvailableRam(uint64_t *pcb)
+     u_int cPagesMemFree = 0;
+     u_int cPagesMemInactive = 0;
+     u_int cPagesMemCached = 0;
+-    u_int cPagesMemUsed = 0;
+     int cbPage = 0;
+     size_t cbParameter;
+     int cProcessed = 0;
+@@ -73,25 +72,23 @@ RTDECL(int) RTSystemQueryAvailableRam(uint64_t *pcb)
+     cbParameter = sizeof(cPagesMemFree);
+     if (sysctlbyname("vm.stats.vm.v_free_count", &cPagesMemFree, &cbParameter, NULL, 0))
+         rc = RTErrConvertFromErrno(errno);
+-    cbParameter = sizeof(cPagesMemUsed);
+-    if (   RT_SUCCESS(rc)
+-        && sysctlbyname("vm.stats.vm.v_active_count", &cPagesMemUsed, &cbParameter, NULL, 0))
+-        rc = RTErrConvertFromErrno(errno);
+     cbParameter = sizeof(cPagesMemInactive);
+     if (   RT_SUCCESS(rc)
+         && sysctlbyname("vm.stats.vm.v_inactive_count", &cPagesMemInactive, &cbParameter, NULL, 0))
+         rc = RTErrConvertFromErrno(errno);
++#if __FreeBSD_version < 1200016
+     cbParameter = sizeof(cPagesMemCached);
+     if (   RT_SUCCESS(rc)
+         && sysctlbyname("vm.stats.vm.v_cache_count", &cPagesMemCached, &cbParameter, NULL, 0))
+         rc = RTErrConvertFromErrno(errno);
++#endif
+     cbParameter = sizeof(cbPage);
+     if (   RT_SUCCESS(rc)
+         && sysctlbyname("hw.pagesize", &cbPage, &cbParameter, NULL, 0))
+         rc = RTErrConvertFromErrno(errno);
+ 
+     if (RT_SUCCESS(rc))
+-        *pcb = (cPagesMemFree + cPagesMemInactive + cPagesMemCached ) * cbPage;
++        *pcb = ((uint64_t)cPagesMemFree + cPagesMemInactive + cPagesMemCached) * cbPage;
+ 
+     return rc;
+ }