| commit | 6dcf5491e01c3d1135497d0661bb5b35a126b9d8 | [log] [tgz] |
|---|---|---|
| author | Borislav Petkov <bp@suse.de> | Thu Jan 04 17:42:45 2018 +0100 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Jan 10 09:27:14 2018 +0100 |
| tree | 9b325fdfe2bbcb95cb834e4a0e443e33e9c7cd6d | |
| parent | 90191f71d74901ff88cd10039c03b98ca8a66c08 [diff] |
Map the vsyscall page with _PAGE_USER This needs to happen early in kaiser_pagetable_walk(), before the hierarchy is established so that _PAGE_USER permission can be really set. A proper fix would be to teach kaiser_pagetable_walk() to update those permissions but the vsyscall page is the only exception here so ... Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Hugh Dickins <hughd@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>