[PATCH next v2 0/6] exit: Put an upper limit on how often we can oops

Kees Cook
2022-11-09T20:00:58Z

Hi,

This builds on Jann's v1 patch[1]. Changes in v2:
- move sysctl into kernel/exit.c (where it belongs)
- expand Documentation slightly

New stuff in v2:
- expose oops_count to sysfs
- consolidate panic_on_warn usage
- introduce warn_limit
- expose warn_count to sysfs

[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 | 44 +++++++++++++-
kernel/sched/core.c | 3 +-
lib/ubsan.c | 3 +-
mm/kasan/report.c | 4 +-
mm/kfence/report.c | 3 +-
12 files changed, 139 insertions(+), 13 deletions(-)
create mode 100644 Documentation/ABI/testing/sysfs-kernel-oops_count
create mode 100644 Documentation/ABI/testing/sysfs-kernel-warn_count

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2.34.1