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Message-Id: <20200227184921.30215-1-keescook@chromium.org>
Date: Thu, 27 Feb 2020 10:49:15 -0800
From: Kees Cook <keescook@...omium.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Kees Cook <keescook@...omium.org>,
Andrey Ryabinin <aryabinin@...tuozzo.com>,
Elena Petrova <lenaptr@...gle.com>,
Andrey Konovalov <andreyknvl@...gle.com>,
Alexander Potapenko <glider@...gle.com>,
Dan Carpenter <dan.carpenter@...cle.com>,
"Gustavo A. R. Silva" <gustavo@...eddedor.com>,
Arnd Bergmann <arnd@...db.de>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
kasan-dev@...glegroups.com,
linux-mm@...ck.org,
linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com,
syzkaller@...glegroups.com
Subject: [PATCH v4 0/6] ubsan: Split out bounds checker
This splits out the bounds checker so it can be individually used. This
is enabled in Android and hopefully for syzbot. Includes LKDTM tests for
behavioral corner-cases (beyond just the bounds checker), and adjusts
ubsan and kasan slightly for correct panic handling.
-Kees
v4:
- use hyphenated bug class names (andreyknvl)
- add Acks
v3: https://lore.kernel.org/lkml/20200116012321.26254-1-keescook@chromium.org
v2: https://lore.kernel.org/lkml/20191121181519.28637-1-keescook@chromium.org
v1: https://lore.kernel.org/lkml/20191120010636.27368-1-keescook@chromium.org
Kees Cook (6):
ubsan: Add trap instrumentation option
ubsan: Split "bounds" checker from other options
lkdtm/bugs: Add arithmetic overflow and array bounds checks
ubsan: Check panic_on_warn
kasan: Unset panic_on_warn before calling panic()
ubsan: Include bug type in report header
drivers/misc/lkdtm/bugs.c | 75 ++++++++++++++++++++++++++++++++++++++
drivers/misc/lkdtm/core.c | 3 ++
drivers/misc/lkdtm/lkdtm.h | 3 ++
lib/Kconfig.ubsan | 49 +++++++++++++++++++++----
lib/Makefile | 2 +
lib/ubsan.c | 47 +++++++++++++-----------
mm/kasan/report.c | 10 ++++-
scripts/Makefile.ubsan | 16 ++++++--
8 files changed, 172 insertions(+), 33 deletions(-)
--
2.20.1
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