From: "xuyang2018.jy@fujitsu.com" <xuyang2018.jy@fujitsu.com>
To: Martin Doucha <mdoucha@suse.cz>
Cc: "ltp@lists.linux.it" <ltp@lists.linux.it>
Subject: Re: [LTP] [PATCH] syscalls/setsockopt09: Add another linux git
Date: Thu, 10 Mar 2022 06:07:42 +0000 [thread overview]
Message-ID: <622995E1.7020208@fujitsu.com> (raw)
In-Reply-To: <c25c192d-9848-d7cd-d4a1-4f1b924f67e8@suse.cz>
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
>
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Mailing list info: https://lists.linux.it/listinfo/ltp
prev parent reply other threads:[~2022-03-10 6:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-03 8:54 [LTP] [PATCH] syscalls/setsockopt09: Add another linux git Yang Xu
2022-03-03 9:11 ` xuyang2018.jy
2022-03-03 14:04 ` Petr Vorel
2022-03-04 3:24 ` xuyang2018.jy
2022-03-04 8:01 ` Petr Vorel
2022-03-08 10:04 ` xuyang2018.jy
2022-03-08 10:44 ` Martin Doucha
2022-03-09 2:03 ` xuyang2018.jy
2022-03-09 10:51 ` Martin Doucha
2022-03-10 6:07 ` xuyang2018.jy [this message]
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