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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 X-Rspamd-Queue-Id: 9796540009 X-Rspam-User: X-Rspamd-Server: rspam09 X-Stat-Signature: bbepetx63i3nxazamcynasm3745pc7wa X-HE-Tag: 1753954521-499048 X-HE-Meta: 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 6W2Q/Hdv Dm8SMAM7qxojRZEHOVsurJYEOTAhXmBfVkcTMNGwDflSaAbJb7yWUxilPH7dbeFdqCZMyPUOS25oPBOlFw4nRANPdcKpylVdudq/QxUvYIW5Osj3j3Qk9mhgzfFo2hcn61YZWWiCirsjMntoLaaLe3Vz7JcnsoYEfCSbvi3qBJ5fqMMXjx8zF4D7ohc45pi6GfnAN/HVmqfoUooiIiG83zCudUbJH9GDDt8t213MFSuaRXhFVHOLHIjowAALI+ACqmh34U6A63mVEapUZl8DbvlpRrSo3TFqxj/6M046y3cH+kaBv+kWFCjPv1cZw7MN2L7LQLcgfD+fVMVt/o+0LEj4Bip216dn/ulchMv/i+H6PedCwAKkTC9QtAjyDQRIB2e2LCHaCUGG5jBt/NTZdJujuUftuH1WDtxpzch2HmqSGVZyVWdphQ6GR7Un6M39gf+OyG1IDQKFF4t2LILIeHxwGnniMPkG1sU8ASKAfHhMi4kgIKPf6YvGWlEN4cgVFhIx5bTdCmaLJmFB53W6i6C+QRVIKPi68uYOaDTrb+YH6KqMHu5efaXTLpR/A9RVbsq3Da9fQDx18kastFpkl4f0cLQ/puF0xq3pFqqtoqZAORQue3jOb2JYYn2vQqDWM6Z60ejnWSzlsWQlbToYtUCyTiiOYuP24bAT+RYuxvvzJAgcUsG5ZfVnlb5tJa9OaCIhwXSSOBSuMb/4NM2s65uOPUTfcc9OEXTFe X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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