linux-kernel - [PATCH 0/4] Add sysfs interface to collect reports from debugging tools

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Date:   Wed, 13 Jan 2021 10:16:53 +0100
From:   Alexander Potapenko <glider@...gle.com>
To:     akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Cc:     Alexander Potapenko <glider@...gle.com>
Subject: [PATCH 0/4] Add sysfs interface to collect reports from debugging tools

This patchset adds a library that captures error reports from debugging
tools like KASAN or KFENCE and exposes those reports to userspace via
sysfs. Report capturing is controlled by two new types of tracepoints:
error_report_start and error_report_end, that must be added to the tools
that want to use this new feature.

Alexander Potapenko (4):
  tracing: add error_report trace points
  lib: add error_report_notify to collect debugging tools' reports
  kfence: use error_report_start and error_report_end tracepoints
  kasan: use error_report_start and error_report_end tracepoints

 include/trace/events/error_report.h |  51 +++++
 kernel/trace/Makefile               |   1 +
 kernel/trace/error_report-traces.c  |  11 ++
 lib/Kconfig.debug                   |  14 ++
 lib/Makefile                        |   2 +
 lib/error_report_notify.c           | 278 ++++++++++++++++++++++++++++
 mm/kasan/report.c                   |  15 +-
 mm/kfence/report.c                  |   3 +
 8 files changed, 369 insertions(+), 6 deletions(-)
 create mode 100644 include/trace/events/error_report.h
 create mode 100644 kernel/trace/error_report-traces.c
 create mode 100644 lib/error_report_notify.c

-- 
2.30.0.284.gd98b1dd5eaa7-goog