[PATCH v6 02/39] kmsan: Make the tests compatible with kmsan.panic=1
From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: 2024-06-21 00:26:57
Also in:
linux-mm, linux-s390, lkml
Subsystem:
kmsan, memory management, the rest · Maintainers:
Alexander Potapenko, Andrew Morton, Linus Torvalds
It's useful to have both tests and kmsan.panic=1 during development, but right now the warnings, that the tests cause, lead to kernel panics. Temporarily set kmsan.panic=0 for the duration of the KMSAN testing. Reviewed-by: Alexander Potapenko <glider@google.com> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> --- mm/kmsan/kmsan_test.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/mm/kmsan/kmsan_test.c b/mm/kmsan/kmsan_test.c
index 07d3a3a5a9c5..9bfd11674fe3 100644
--- a/mm/kmsan/kmsan_test.c
+++ b/mm/kmsan/kmsan_test.c@@ -659,9 +659,13 @@ static void test_exit(struct kunit *test) { } +static int orig_panic_on_kmsan; + static int kmsan_suite_init(struct kunit_suite *suite) { register_trace_console(probe_console, NULL); + orig_panic_on_kmsan = panic_on_kmsan; + panic_on_kmsan = 0; return 0; }
@@ -669,6 +673,7 @@ static void kmsan_suite_exit(struct kunit_suite *suite) { unregister_trace_console(probe_console, NULL); tracepoint_synchronize_unregister(); + panic_on_kmsan = orig_panic_on_kmsan; } static struct kunit_suite kmsan_test_suite = {
--
2.45.1