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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Jul 2025 09:35:15.6098 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 807c9022-3348-4c68-6d42-08ddd0158e50 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C713.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GVXPR08MB10714 Hi Thomas, > > When CONFIG_FORTIFY_SOURCE is enabled, invalid access from source > > triggers __fortify_panic() which kills running task. > > > > This makes failured of kasan_strings() kunit testcase since the > > kunit-try-cacth kthread running kasan_string() dies before checking the > > fault. > > > > To address this, skip kasan_strings() kunit test when > > CONFIG_FORTIFY_SOURCE is enabled. > > > > Signed-off-by: Yeoreum Yun > > --- > > mm/kasan/kasan_test_c.c | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/mm/kasan/kasan_test_c.c b/mm/kasan/kasan_test_c.c > > index 5f922dd38ffa..1577d3edabb4 100644 > > --- a/mm/kasan/kasan_test_c.c > > +++ b/mm/kasan/kasan_test_c.c > > @@ -1576,6 +1576,12 @@ static void kasan_strings(struct kunit *test) > > */ > > KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT); > > > > + /* > > + * Harden common str/mem functions kills the kunit-try-catch thread > > + * before checking the fault. > > + */ > > + KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_FORTIFY_SOURCE); > > Would it be enough to enable -D__NO_FORTIFY for the whole of kasan_test_c.c? It would be better. I'll add it to Makefile unless other comment is. Thanks! [...] -- Sincerely, Yeoreum Yun