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From: Jiri Pirko <jiri@resnulli.us>
To: Jakub Kicinski <kuba@kernel.org>
Cc: "David Ahern" <dsahern@kernel.org>,
	"Maciej Żenczykowski" <maze@google.com>,
	"Linux Network Development Mailing List" <netdev@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH net] ipv6 addrconf: fix bug where deleting a mngtmpaddr can create a new temporary address
Date: Wed, 19 Jul 2023 08:47:44 +0200	[thread overview]
Message-ID: <ZLeHEDdWYVkABUDE@nanopsycho> (raw)
In-Reply-To: <20230718160832.0caea152@kernel.org>

Wed, Jul 19, 2023 at 01:08:32AM CEST, kuba@kernel.org wrote:
>On Fri, 14 Jul 2023 08:49:55 -0600 David Ahern wrote:
>> > I did consider that and I couldn't quite convince myself that simply
>> > removing "|| list_empty()" from the if statement is necessarily correct
>> > (thus I went with the more obviously correct change).
>> > 
>> > Are you convinced dropping the || list_empty would work?
>> > I assume it's there for some reason...  
>> 
>> I am hoping Jiri can recall why that part was added since it has the
>> side effect of adding an address on a delete which should not happen.
>
>Did we get stuck here? Jiri are you around to answer?

Most probably a bug. But, this is 10 years since the change, I don't
remember much after this period. I didn't touch the code since :/


  parent reply	other threads:[~2023-07-19  6:47 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-12 13:55 [PATCH net] ipv6 addrconf: fix bug where deleting a mngtmpaddr can create a new temporary address Maciej Żenczykowski
2023-07-12 13:58 ` Maciej Żenczykowski
2023-07-13 14:59 ` David Ahern
2023-07-13 15:03   ` Maciej Żenczykowski
2023-07-14 14:49     ` David Ahern
2023-07-18 23:08       ` Jakub Kicinski
2023-07-18 23:18         ` David Ahern
2023-07-19  6:47         ` Jiri Pirko [this message]
2023-07-19 12:50           ` Maciej Żenczykowski
2023-07-20 15:35             ` David Ahern
2023-07-20 16:00               ` [PATCH net v2] " Maciej Żenczykowski
2023-07-20 16:34                 ` Jakub Kicinski
2023-07-20 16:52                   ` Maciej Żenczykowski
2023-07-24 12:07                     ` Maciej Żenczykowski
2023-07-24 18:09                       ` Jakub Kicinski
2023-07-24 18:20                         ` Maciej Żenczykowski
2023-07-24 18:26                 ` David Ahern
2023-07-24 23:00                 ` patchwork-bot+netdevbpf
2023-07-25  4:59                   ` Maciej Żenczykowski

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