From: David Miller <davem@davemloft.net>
To: shemminger@vyatta.com
Cc: yoshfuji@linux-ipv6.org, netdev@vger.kernel.org
Subject: Re: [PATCH] IPv6: fix race between cleanup and add/delete address
Date: Thu, 04 Mar 2010 00:40:19 -0800 (PST) [thread overview]
Message-ID: <20100304.004019.158435620.davem@davemloft.net> (raw)
In-Reply-To: <20100303101959.481d76fe@nehalam>
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Wed, 3 Mar 2010 10:19:59 -0800
> This solves a potential race problem during the cleanup process.
> The issue is that addrconf_ifdown() needs to traverse address list,
> but then drop lock to call the notifier. The version in -next
> could get confused if add/delete happened during this window.
> Original code (2.6.32 and earlier) was okay because all addresses
> were always deleted.
>
> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Applied.
prev parent reply other threads:[~2010-03-04 8:40 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-02 23:32 [PATCH 00/12] IPv6 addrconf changes Stephen Hemminger
2010-03-02 23:32 ` [PATCH 01/12] IPv6: addrconf dad timer unnecessary bh_disable Stephen Hemminger
2010-03-04 8:39 ` David Miller
2010-03-02 23:32 ` [PATCH 02/12] IPv6: addrconf timer race Stephen Hemminger
2010-03-04 8:40 ` David Miller
2010-03-02 23:32 ` [PATCH 03/12] IPv6: addrconf notify when address is unavailable Stephen Hemminger
2010-03-04 8:40 ` David Miller
2010-03-02 23:32 ` [PATCH 04/12] ipv6: convert temporary address list to list macros Stephen Hemminger
2010-03-02 23:32 ` [PATCH 05/12] ipv6: convert addrconf list to hlist Stephen Hemminger
2010-03-02 23:32 ` [PATCH 06/12] IPv6: convert addrconf hash list to RCU Stephen Hemminger
2010-03-02 23:32 ` [PATCH 07/12] ipv6: user better hash for addrconf Stephen Hemminger
2010-03-02 23:32 ` [PATCH 08/12] ipv6: convert idev_list to list macros Stephen Hemminger
2010-03-02 23:32 ` [PATCH 09/12] IPv6: addrconf cleanups Stephen Hemminger
2010-03-02 23:32 ` [PATCH 10/12] IPv6: addrconf checkpatch fixes Stephen Hemminger
2010-03-02 23:32 ` [PATCH 11/12] ipv6: addrconf timer changes Stephen Hemminger
2010-03-02 23:32 ` [PATCH 12/12] IPv6: addrconf cleanup addrconf_verify Stephen Hemminger
2010-03-03 9:16 ` [PATCH 00/12] IPv6 addrconf changes David Miller
2010-03-03 18:14 ` Stephen Hemminger
2010-03-03 18:19 ` [PATCH] IPv6: fix race between cleanup and add/delete address Stephen Hemminger
2010-03-04 8:40 ` David Miller [this message]
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