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Re: Kernel BUG at fs/namei.c:248

From Naresh Kamboju <naresh.kamboju@linaro.org>
Newsgroups linux.kernel
Subject Re: Kernel BUG at fs/namei.c:248
Date 2017-07-19 18:20 +0200
Message-ID <u4ZRE-2BD-23@gated-at.bofh.it> (permalink)
References <u4UoX-7eW-51@gated-at.bofh.it> <u4XGa-SU-31@gated-at.bofh.it>
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On 19 July 2017 at 19:24, Al Viro <viro@zeniv.linux.org.uk> wrote:
> On Wed, Jul 19, 2017 at 03:54:54PM +0530, Naresh Kamboju wrote:
>> Linux version:
>> Linux version 4.13.0-rc1-00059-g74cbd96 (buildslave@x86-64-07) (gcc
>> version 6.2.1 20161016 (Linaro GCC 6.2-2016.11)) #1 SMP PREEMPT Tue
>> Jul 18 19:09:37 UTC 2017
>>
>> [ 1245.412625] kernel BUG at
>> /srv/oe/build/tmp-rpb-glibc/work-shared/hikey/kernel-source/fs/namei.c:248!
>
> Interesting... Looks like double-put or memory corruptor of some sort.
> Nothing obvious jumps out at the first glance; I'll look into that when
> I get back to better connectivity tonight.

I am able to reproduce this BUG by running zram test cases multiple
times in a row.
http://people.linaro.org/~naresh.kamboju/zram.tar.gz

Ref:
LKFT: linux-mainline: Kernel BUG at fs/namei.c:248
https://bugs.linaro.org/show_bug.cgi?id=3140

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Thread

Kernel BUG at fs/namei.c:248 Naresh Kamboju <naresh.kamboju@linaro.org> - 2017-07-19 12:30 +0200
  Re: Kernel BUG at fs/namei.c:248 Al Viro <viro@ZenIV.linux.org.uk> - 2017-07-19 16:00 +0200
    Re: Kernel BUG at fs/namei.c:248 Naresh Kamboju <naresh.kamboju@linaro.org> - 2017-07-19 18:20 +0200
      Re: Kernel BUG at fs/namei.c:248 Naresh Kamboju <naresh.kamboju@linaro.org> - 2017-07-24 11:40 +0200
        Re: Kernel BUG at fs/namei.c:248 Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-07-26 02:30 +0200

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