94 lines
3.2 KiB
Diff
94 lines
3.2 KiB
Diff
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diff -ruN vboxhost.orig/vboxdrv/linux/SUPDrv-linux.c vboxhost/vboxdrv/linux/SUPDrv-linux.c
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--- vboxhost.orig/vboxdrv/linux/SUPDrv-linux.c 2016-08-22 00:00:00.000000000 +0200
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+++ vboxhost/vboxdrv/linux/SUPDrv-linux.c 2017-05-31 19:00:22.887324690 +0200
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@@ -1397,7 +1397,7 @@
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SUPR0DECL(uint32_t) SUPR0GetKernelFeatures(void)
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{
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uint32_t fFlags = 0;
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-#ifdef CONFIG_PAX_KERNEXEC
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+#if defined(CONFIG_PAX_KERNEXEC) || LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
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fFlags |= SUPKERNELFEATURES_GDT_READ_ONLY;
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#endif
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#if defined(VBOX_STRICT) || defined(VBOX_WITH_EFLAGS_AC_SET_IN_VBOXDRV)
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diff -ruN vboxhost.orig/vboxdrv/r0drv/linux/alloc-r0drv-linux.c vboxhost/vboxdrv/r0drv/linux/alloc-r0drv-linux.c
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--- vboxhost.orig/vboxdrv/r0drv/linux/alloc-r0drv-linux.c 2016-08-22 00:00:00.000000000 +0200
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+++ vboxhost/vboxdrv/r0drv/linux/alloc-r0drv-linux.c 2017-05-31 19:03:32.465413475 +0200
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@@ -35,7 +35,10 @@
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#include <iprt/assert.h>
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#include <iprt/err.h>
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#include "r0drv/alloc-r0drv.h"
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-
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+#include <linux/kmemleak.h>
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
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+#include <asm/set_memory.h>
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+#endif
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#if (defined(RT_ARCH_AMD64) || defined(DOXYGEN_RUNNING)) && !defined(RTMEMALLOC_EXEC_HEAP)
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# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23)
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diff -ruN vboxhost.orig/vboxdrv/r0drv/linux/memobj-r0drv-linux.c vboxhost/vboxdrv/r0drv/linux/memobj-r0drv-linux.c
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--- vboxhost.orig/vboxdrv/r0drv/linux/memobj-r0drv-linux.c 2017-02-02 16:54:00.000000000 +0100
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+++ vboxhost/vboxdrv/r0drv/linux/memobj-r0drv-linux.c 2017-05-31 19:23:05.187059423 +0200
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@@ -899,6 +899,9 @@
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unsigned long pfn;
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struct page *pPage;
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pte_t *pEntry;
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
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+ p4d_t p4d;
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+#endif
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union
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{
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pgd_t Global;
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@@ -917,9 +920,18 @@
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u.Global = *pgd_offset(current->active_mm, ulAddr);
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if (RT_UNLIKELY(pgd_none(u.Global)))
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return NULL;
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
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+ p4d = *p4d_offset(&u.Global, ulAddr);
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+ if (RT_UNLIKELY(p4d_none(p4d) || p4d_large(p4d) || !p4d_present(p4d)))
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+ return NULL;
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+#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
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+ u.Upper = *pud_offset(&p4d, ulAddr);
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+#else
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u.Upper = *pud_offset(&u.Global, ulAddr);
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+#endif
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if (RT_UNLIKELY(pud_none(u.Upper)))
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return NULL;
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# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)
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@@ -1463,13 +1475,23 @@
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{
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int rc = -ENOMEM;
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pgd_t *pgd;
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
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+ p4d_t *p4d;
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+#endif
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spin_lock(&mm->page_table_lock);
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pgd = pgd_offset(mm, ulAddr);
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if (!pgd_none(*pgd) && !pgd_bad(*pgd))
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{
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
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+ p4d = p4d_offset(*pgd, ulAddr);
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+ if (p4d_none(*p4d))
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+ goto exit;
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+ pmd_t *pmd = pmd_offset(p4d, ulAddr);
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+#else
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pmd_t *pmd = pmd_offset(pgd, ulAddr);
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+#endif
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if (!pmd_none(*pmd))
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{
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pte_t *ptep = pte_offset_map(pmd, ulAddr);
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@@ -1487,6 +1509,9 @@
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}
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}
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
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+exit:
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+#endif
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spin_unlock(&mm->page_table_lock);
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return rc;
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}
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