From: Thomas Graf <tgraf@suug.ch>
To: Ying Xue <ying.xue@windriver.com>
Cc: linux-kernel@vger.kernel.org, lkp@01.org,
Netdev <netdev@vger.kernel.org>
Subject: Re: Fwd: [rhashtable] WARNING: CPU: 0 PID: 10 at kernel/locking/mutex.c:570 mutex_lock_nested()
Date: Tue, 13 Jan 2015 08:41:26 +0000 [thread overview]
Message-ID: <20150113084126.GE20387@casper.infradead.org> (raw)
In-Reply-To: <54B4CE3E.8020009@windriver.com>
On 01/13/15 at 03:50pm, Ying Xue wrote:
> On 01/12/2015 08:42 PM, Thomas Graf wrote:
> > On 01/12/15 at 09:38am, Ying Xue wrote:
> >> Hi Thomas,
> >>
> >> I am really unable to see where is wrong leading to below warning
> >> complaints. Can you please help me check it?
> >
> > Not sure yet. It's not your patch that introduced the issue though.
> > It merely exposed the affected code path.
> >
> > Just wondering, did you test with CONFIG_DEBUG_MUTEXES enabled?
> >
> >
>
> After I enable above option, I don't find similar complaints during my
> testing.
I can't reproduce it in my KVM box either so far. It looks like a
mutex_lock() on an uninitialized mutex or use after free but I can't
find such a code path so far.
next prev parent reply other threads:[~2015-01-13 8:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-10 19:48 Fengguang Wu
2015-01-12 1:38 ` Fwd: " Ying Xue
2015-01-12 12:42 ` Thomas Graf
2015-01-13 7:50 ` Ying Xue
2015-01-13 8:41 ` Thomas Graf [this message]
2015-01-13 19:14 ` Cong Wang
2015-01-13 19:28 ` Thomas Graf
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