diff options
| author | Marco Elver <elver@google.com> | 2020-10-22 13:45:53 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-11-02 17:08:51 -0800 |
| commit | 55a2346c7ac4bbf6ee6972394237bf31e29a1c05 (patch) | |
| tree | 527ef9158e5a4507ea742638aad9d097546f123f /lib/test_string.c | |
| parent | 4761612ffe3c1655e58f1ef9cf867c6f67d46fe2 (diff) | |
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>
Diffstat (limited to 'lib/test_string.c')
0 files changed, 0 insertions, 0 deletions