diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2024-06-21 13:34:46 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-04 04:30:21 +0200 |
| commit | 7d1c8e99b28ad583385532649f186dbc0e0043a6 (patch) | |
| tree | 3ea3ccc53674ec3aca7b4d3e0033098592135fa7 /mm/kmsan | |
| parent | ftrace: unpoison ftrace_regs in ftrace_ops_list_func() (diff) | |
| download | linux-7d1c8e99b28ad583385532649f186dbc0e0043a6.tar.xz linux-7d1c8e99b28ad583385532649f186dbc0e0043a6.zip | |
kmsan: make the tests compatible with kmsan.panic=1
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.
Link: https://lkml.kernel.org/r/20240621113706.315500-3-iii@linux.ibm.com
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: <kasan-dev@googlegroups.com>
Cc: Marco Elver <elver@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kmsan')
| -rw-r--r-- | mm/kmsan/kmsan_test.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/kmsan/kmsan_test.c b/mm/kmsan/kmsan_test.c index 018069aba92b..13236d579eba 100644 --- a/mm/kmsan/kmsan_test.c +++ b/mm/kmsan/kmsan_test.c @@ -686,9 +686,13 @@ 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; } @@ -696,6 +700,7 @@ 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 = { |