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Wed, 18 Nov 2020 03:53:22 +0000 From: qiang.zhang@windriver.com To: paulmck@kernel.org, josh@joshtriplett.org, rostedt@goodmis.org Cc: joel@joelfernandes.org, rcu@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] rcu: kasan: record and print kvfree_call_rcu call stack Date: Wed, 18 Nov 2020 11:53:09 +0800 Message-Id: <20201118035309.19144-1-qiang.zhang@windriver.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain X-Originating-IP: [60.247.85.82] X-ClientProxiedBy: HK2PR0302CA0017.apcprd03.prod.outlook.com (2603:1096:202::27) To BYAPR11MB2632.namprd11.prod.outlook.com (2603:10b6:a02:c4::17) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pek-qzhang2-d1.wrs.com (60.247.85.82) by HK2PR0302CA0017.apcprd03.prod.outlook.com (2603:1096:202::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3589.15 via Frontend Transport; Wed, 18 Nov 2020 03:53:20 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 707d8b1e-537e-456e-2ae1-08d88b757e6e X-MS-TrafficTypeDiagnostic: BY5PR11MB3912: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:595; 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Signed-off-by: Zqiang --- kernel/rcu/tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index da3414522285..a252b2f0208d 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3506,7 +3506,7 @@ void kvfree_call_rcu(struct rcu_head *head, rcu_callback_t func) success = true; goto unlock_return; } - + kasan_record_aux_stack(ptr); success = kvfree_call_rcu_add_ptr_to_bulk(krcp, ptr); if (!success) { run_page_cache_worker(krcp); -- 2.17.1