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| author |   Andy Lutomirski <luto@kernel.org> | 2019-06-26 21:45:08 -0700 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2019-06-28 00:04:40 +0200 |
| commit | 441cedab2dfca18fe4983cbc795de04536ed421e (patch) | |
| tree | edc94bb896bc62f7504668f09a720a947e20ce57 /tools/testing/selftests/x86 | |
| parent | x86/vsyscall: Change the default vsyscall mode to xonly (diff) | |
| download | wireguard-linux-441cedab2dfca18fe4983cbc795de04536ed421e.tar.xz wireguard-linux-441cedab2dfca18fe4983cbc795de04536ed421e.zip | |
x86/vsyscall: Add __ro_after_init to global variables
The vDSO is only configurable by command-line options, so make its
global variables __ro_after_init. This seems highly unlikely to
ever stop an exploit, but it's nicer anyway.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jann Horn <jannh@google.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Kernel Hardening <kernel-hardening@lists.openwall.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/a386925835e49d319e70c4d7404b1f6c3c2e3702.1561610354.git.luto@kernel.org
Diffstat (limited to 'tools/testing/selftests/x86')
0 files changed, 0 insertions, 0 deletions