linux-kernel - Re: Kernel BUG at fs/namei.c:248

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Message-ID: <20170719135447.GB2063@ZenIV.linux.org.uk>
Date:   Wed, 19 Jul 2017 14:54:47 +0100
From:   Al Viro <viro@...IV.linux.org.uk>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     linux-fsdevel@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kees Cook <keescook@...omium.org>
Subject: Re: Kernel BUG at fs/namei.c:248

On Wed, Jul 19, 2017 at 03:54:54PM +0530, Naresh Kamboju wrote:
> Linux version:
> Linux version 4.13.0-rc1-00059-g74cbd96 (buildslave@...-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.