diff options
| author |   Andy Lutomirski <luto@kernel.org> | 2019-06-26 21:45:04 -0700 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2019-06-28 00:04:39 +0200 |
| commit | 918ce325098a4eef99daad7b6796da33cebaf03a (patch) | |
| tree | 350e3c5a1bae0686cb0050a466b85917792e4b7f /tools/testing/selftests/x86 | |
| parent | x86/vsyscall: Add a new vsyscall=xonly mode (diff) | |
| download | wireguard-linux-918ce325098a4eef99daad7b6796da33cebaf03a.tar.xz wireguard-linux-918ce325098a4eef99daad7b6796da33cebaf03a.zip | |
x86/vsyscall: Show something useful on a read fault
Just segfaulting the application when it tries to read the vsyscall page in
xonly mode is not helpful for those who need to debug it.
Emit a hint.
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>
Link: https://lkml.kernel.org/r/8016afffe0eab497be32017ad7f6f7030dc3ba66.1561610354.git.luto@kernel.org
Diffstat (limited to 'tools/testing/selftests/x86')
0 files changed, 0 insertions, 0 deletions