linux-kernel - [PATCH -rcu v2 0/2] kcsan: Improvements to reporting

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Message-Id: <20200110184834.192636-1-elver@google.com>
Date:   Fri, 10 Jan 2020 19:48:32 +0100
From:   Marco Elver <elver@...gle.com>
To:     elver@...gle.com
Cc:     paulmck@...nel.org, andreyknvl@...gle.com, glider@...gle.com,
        dvyukov@...gle.com, kasan-dev@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH -rcu v2 0/2] kcsan: Improvements to reporting

Improvements to KCSAN data race reporting:
1. Show if access is marked (*_ONCE, atomic, etc.).
2. Rate limit reporting to avoid spamming console.

v2:
* Paul E. McKenney: commit message reword.
* Use jiffies instead of ktime -- we want to avoid calling into any
  further complex libraries, since KCSAN may also detect data races in
  them, and as a result potentially leading to observing corrupt state
  (e.g. here, observing corrupt ktime_t value).

Marco Elver (2):
  kcsan: Show full access type in report
  kcsan: Rate-limit reporting per data races

 kernel/kcsan/core.c   |  15 +++--
 kernel/kcsan/kcsan.h  |   2 +-
 kernel/kcsan/report.c | 151 +++++++++++++++++++++++++++++++++++-------
 lib/Kconfig.kcsan     |  10 +++
 4 files changed, 146 insertions(+), 32 deletions(-)

-- 
2.25.0.rc1.283.g88dfdc4193-goog