linux-kernel - Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output

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Message-ID: <1337749718.3361.1671.camel@edumazet-glaptop>
Date:	Wed, 23 May 2012 07:08:38 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Yanmin Zhang <yanmin_zhang@...ux.intel.com>
Cc:	David Miller <davem@...emloft.net>, kunx.jiang@...el.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipv4: fix the rcu race between free_fib_info and
 ip_route_output_slow

On Wed, 2012-05-23 at 12:41 +0800, Yanmin Zhang wrote:
> We did test it. But it's hard to reproduce it. We hit it the issue
> for a couple of times when running MTBF testing on Android smart phone.
> Mostly, it happens after MTBF runs for more than 12 hours. To releasing
> the product, MTBF testing should run for hundreds of hours. This bug
> blocks it.
> 

I have an idea how to trigger this in my test machine.

> We would submit it formally and also run more testing.
> 
> Sorry for taking you too much time.

Hey, you fix a bug, take your time and dont worry.

Thanks


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