forked from pool/virtualbox
17 lines
731 B
Diff
17 lines
731 B
Diff
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Index: b/src/VBox/Additions/linux/sharedfolders/regops.c
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===================================================================
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--- a/src/VBox/Additions/linux/sharedfolders/regops.c
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+++ b/src/VBox/Additions/linux/sharedfolders/regops.c
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@@ -1401,7 +1401,10 @@ static int vbsf_lock_user_pages_failed_c
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/*
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* Check that this is valid user memory that is actually in the kernel range.
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*/
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-#if RTLNX_VER_MIN(5,0,0) || RTLNX_RHEL_MIN(8,1)
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+#if RTLNX_VER_MIN(5,10,0)
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+ if ( access_ok((void *)uPtrFrom, cPages << PAGE_SHIFT)
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+ && uPtrFrom >= TASK_SIZE_MAX)
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+#elif RTLNX_VER_MIN(5,0,0) || RTLNX_RHEL_MIN(8,1)
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if ( access_ok((void *)uPtrFrom, cPages << PAGE_SHIFT)
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&& uPtrFrom >= USER_DS.seg)
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#else
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