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Thu, 10 Mar 2022 06:07:42 +0000 From: "xuyang2018.jy@fujitsu.com" To: Martin Doucha Thread-Topic: [LTP] [PATCH] syscalls/setsockopt09: Add another linux git Thread-Index: AQHYLtx4CjNbvmY4GEm3jKnRYeFwH6ytsXoAgADfuQCABsQqgIABAMMAgACTgYCAAUMwgA== Date: Thu, 10 Mar 2022 06:07:42 +0000 Message-ID: <622995E1.7020208@fujitsu.com> References: <1646297678-2141-1-git-send-email-xuyang2018.jy@fujitsu.com> <6221869A.9040109@fujitsu.com> <3c946010-2f96-e8bb-e7ee-0d48d482d729@suse.cz> <62280B08.3010502@fujitsu.com> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=fujitsu.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: f6f63cf8-b1c2-46ed-6412-08da025c49cf x-ms-traffictypediagnostic: TY2PR01MB2506:EE_ x-microsoft-antispam-prvs: x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi Martin > On 09. 03. 22 3:03, xuyang2018.jy@fujitsu.com wrote: >> Hi Martin >>> The timeout is controlled by req.tp_retire_blk_tov and the value is in >>> milliseconds. So usleep(req.tp_retire_blk_tov * 3000) should be enough. >> I tested this on my vm, it still can't ensure hit the old crash before >> print PASS log. > > That is probably expected. You'll need make a taint check after the > usleep() to detect failure. See setsockopt06 which tests for similar > use-after-free in socket timer. I add a sleep ie setsockopt06, but it doesn't detect the kernel tainted state in time and doesn't report "Kernel is vulnerable". Best Regards Yang Xu > -- Mailing list info: https://lists.linux.it/listinfo/ltp