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Date: Thu, 17 Nov 2022 15:43:20 -0800 From: Kees Cook <keescook@...omium.org> To: Jann Horn <jannh@...gle.com> Cc: Kees Cook <keescook@...omium.org>, Seth Jenkins <sethjenkins@...gle.com>, Greg KH <gregkh@...uxfoundation.org>, Linus Torvalds <torvalds@...uxfoundation.org>, Andy Lutomirski <luto@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, tangmeng <tangmeng@...ontech.com>, "Guilherme G. Piccoli" <gpiccoli@...lia.com>, Tiezhu Yang <yangtiezhu@...ngson.cn>, Sebastian Andrzej Siewior <bigeasy@...utronix.de>, "Eric W. Biederman" <ebiederm@...ssion.com>, Arnd Bergmann <arnd@...db.de>, Dmitry Vyukov <dvyukov@...gle.com>, Peter Zijlstra <peterz@...radead.org>, Juri Lelli <juri.lelli@...hat.com>, Vincent Guittot <vincent.guittot@...aro.org>, Dietmar Eggemann <dietmar.eggemann@....com>, Steven Rostedt <rostedt@...dmis.org>, Ben Segall <bsegall@...gle.com>, Daniel Bristot de Oliveira <bristot@...hat.com>, Valentin Schneider <vschneid@...hat.com>, Andrey Ryabinin <ryabinin.a.a@...il.com>, Alexander Potapenko <glider@...gle.com>, Andrey Konovalov <andreyknvl@...il.com>, Vincenzo Frascino <vincenzo.frascino@....com>, Luis Chamberlain <mcgrof@...nel.org>, David Gow <davidgow@...gle.com>, "Paul E. McKenney" <paulmck@...nel.org>, Jonathan Corbet <corbet@....net>, Baolin Wang <baolin.wang@...ux.alibaba.com>, "Jason A. Donenfeld" <Jason@...c4.com>, Eric Biggers <ebiggers@...gle.com>, Huang Ying <ying.huang@...el.com>, Anton Vorontsov <anton@...msg.org>, Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, Laurent Dufour <ldufour@...ux.ibm.com>, Rob Herring <robh@...nel.org>, linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com, linux-mm@...ck.org, linux-doc@...r.kernel.org, linux-hardening@...r.kernel.org Subject: [PATCH v3 0/6] exit: Put an upper limit on how often we can oops Hi, This builds on Jann's v1 patch[1]. Changes in v3: - fix #if/#ifdef confusion (Bill) - rename from "reason" or "origin" and add it to the warn output (Marco) v2: https://lore.kernel.org/lkml/20221109194404.gonna.558-kees@kernel.org/ Thanks, -Kees [1] https://lore.kernel.org/lkml/20221107201317.324457-1-jannh@google.com Jann Horn (1): exit: Put an upper limit on how often we can oops Kees Cook (5): panic: Separate sysctl logic from CONFIG_SMP exit: Expose "oops_count" to sysfs panic: Consolidate open-coded panic_on_warn checks panic: Introduce warn_limit panic: Expose "warn_count" to sysfs .../ABI/testing/sysfs-kernel-oops_count | 6 ++ .../ABI/testing/sysfs-kernel-warn_count | 6 ++ Documentation/admin-guide/sysctl/kernel.rst | 17 ++++++ MAINTAINERS | 2 + include/linux/panic.h | 1 + kernel/exit.c | 60 +++++++++++++++++++ kernel/kcsan/report.c | 3 +- kernel/panic.c | 45 +++++++++++++- kernel/sched/core.c | 3 +- lib/ubsan.c | 3 +- mm/kasan/report.c | 4 +- mm/kfence/report.c | 3 +- 12 files changed, 140 insertions(+), 13 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-kernel-oops_count create mode 100644 Documentation/ABI/testing/sysfs-kernel-warn_count -- 2.34.1
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