From: patchwork-bot+netdevbpf@kernel.org
To: Ziyang Xuan <william.xuanziyang@huawei.com>
Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org,
hannes@stressinduktion.org, fbl@redhat.com
Subject: Re: [PATCH net v2] ipv6/addrconf: fix a potential refcount underflow for idev
Date: Sun, 09 Jul 2023 10:20:20 +0000 [thread overview]
Message-ID: <168889802003.24969.8684110706310843516.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20230708065910.3565820-1-william.xuanziyang@huawei.com>
Hello:
This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:
On Sat, 8 Jul 2023 14:59:10 +0800 you wrote:
> Now in addrconf_mod_rs_timer(), reference idev depends on whether
> rs_timer is not pending. Then modify rs_timer timeout.
>
> There is a time gap in [1], during which if the pending rs_timer
> becomes not pending. It will miss to hold idev, but the rs_timer
> is activated. Thus rs_timer callback function addrconf_rs_timer()
> will be executed and put idev later without holding idev. A refcount
> underflow issue for idev can be caused by this.
>
> [...]
Here is the summary with links:
- [net,v2] ipv6/addrconf: fix a potential refcount underflow for idev
https://git.kernel.org/netdev/net/c/06a0716949c2
You are awesome, thank you!
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prev parent reply other threads:[~2023-07-09 10:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-08 6:59 [PATCH net v2] ipv6/addrconf: fix a potential refcount underflow for idev Ziyang Xuan
2023-07-08 8:05 ` Eric Dumazet
2023-07-09 10:20 ` patchwork-bot+netdevbpf [this message]
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