From: Rolf Eike Beer <eb@emlix.com>
To: kbuild@lists.01.org, Dan Carpenter <dan.carpenter@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: lkp@intel.com, kbuild-all@lists.01.org, linux-mm@kvack.org
Subject: Re: [PATCH 1/6] mm: pagewalk: make error checks more obvious
Date: Tue, 23 Aug 2022 11:25:48 +0200 [thread overview]
Message-ID: <2533070.Lt9SDvczpP@devpool047> (raw)
In-Reply-To: <202208231649.7QKavhA3-lkp@intel.com>
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Am Dienstag, 23. August 2022, 11:16:42 CEST schrieb Dan Carpenter:
> Hi Rolf,
>
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
>
> url:
> https://github.com/intel-lab-lkp/linux/commits/Rolf-Eike-Beer/Minor-improve
> ments-for-pagewalk-code/20220822-214107 base:
> https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
> config: x86_64-randconfig-m001
> (https://download.01.org/0day-ci/archive/20220823/202208231649.7QKavhA3-lkp
> @intel.com/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
>
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> smatch warnings:
> mm/pagewalk.c:248 walk_p4d_range() error: uninitialized symbol 'err'.
> mm/pagewalk.c:287 walk_pgd_range() error: uninitialized symbol 'err'.
> mm/pagewalk.c:324 walk_hugetlb_range() error: uninitialized symbol 'err'.
>
> vim +/err +248 mm/pagewalk.c
[...]
> Same. Although this seems more like a real bug.
They all are. I wonder how they got lost and why this never showed up during
my tests, but still.
Andrew, do you want me to resend the series with the fixes squashed in or add a
v7?
Eike
--
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
Fon +49 551 30664-0, Fax +49 551 30664-11
Gothaer Platz 3, 37083 Göttingen, Germany
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emlix - smart embedded open source
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next parent reply other threads:[~2022-08-23 9:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <202208231649.7QKavhA3-lkp@intel.com>
2022-08-23 9:25 ` Rolf Eike Beer [this message]
2022-08-22 12:59 [PATCH 0/6] Minor improvements for pagewalk code Rolf Eike Beer
[not found] ` <2203731.iZASKD2KPV@devpool047>
2022-08-22 20:53 ` [PATCH 1/6] mm: pagewalk: make error checks more obvious Andrew Morton
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