tree 6df2d211a3e49359466e8b0dd3183a5d2d285495
parent 60cc43fc888428bb2f18f08997432d426a243338
author Joerg Roedel <jroedel@suse.de> 1523871837 +0200
committer Linus Torvalds <torvalds@linux-foundation.org> 1523902834 -0700

x86/ldt: Fix support_pte_mask filtering in map_ldt_struct()

The |= operator will let us end up with an invalid PTE. Use
the correct &= instead.

[ The bug was also independently reported by Shuah Khan ]

Fixes: fb43d6cb91ef ('x86/mm: Do not auto-massage page protections')
Acked-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>