diff options
| author | Andy Lutomirski <luto@kernel.org> | 2017-12-10 22:47:20 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-29 17:53:43 +0100 |
| commit | 49c01662d3177e1814ceb52337add473fb4d264b (patch) | |
| tree | aad1a29b6e557cc9bead71002a7073d68cc7dcb2 /kernel/fork.c | |
| parent | beb899c4bcdfb006293a593ffe31c9f13ec7c66b (diff) | |
x86/vsyscall/64: Warn and fail vsyscall emulation in NATIVE mode
commit 4831b779403a836158917d59a7ca880483c67378 upstream.
If something goes wrong with pagetable setup, vsyscall=native will
accidentally fall back to emulation. Make it warn and fail so that we
notice.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Laight <David.Laight@aculab.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/fork.c')
0 files changed, 0 insertions, 0 deletions