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linux/kernel/kcsan
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Marco Elver 55a2346c7a kcsan: Never set up watchpoints on NULL pointers 
Avoid setting up watchpoints on NULL pointers, as otherwise we would
crash inside the KCSAN runtime (when checking for value changes) instead
of the instrumented code.

Because that may be confusing, skip any address less than PAGE_SIZE.

Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2020-11-02 17:08:51 -08:00
..
atomic.h kcsan: Remove existing special atomic rules 2020-06-29 12:04:48 -07:00
core.c kcsan: Use tracing-safe version of prandom 2020-08-30 21:50:13 -07:00
debugfs.c kcsan: Optimize debugfs stats counters 2020-08-24 15:10:23 -07:00
encoding.h kcsan: Never set up watchpoints on NULL pointers 2020-11-02 17:08:51 -08:00
kcsan-test.c kcsan: Test support for compound instrumentation 2020-08-24 15:09:58 -07:00
kcsan.h kcsan: Optimize debugfs stats counters 2020-08-24 15:10:23 -07:00
Makefile kcsan: Disable branch tracing in core runtime 2020-06-29 12:04:48 -07:00
report.c kcsan: Optimize debugfs stats counters 2020-08-24 15:10:23 -07:00
selftest.c kcsan: selftest: Ensure that address is at least PAGE_SIZE 2020-11-02 17:08:50 -08:00