From: patchwork-bot+netdevbpf@kernel.org
To: Cen Zhang (Microsoft) <blbllhy@gmail.com>
Cc: dsahern@kernel.org, idosch@nvidia.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, kuniyu@google.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
AutonomousCodeSecurity@microsoft.com, xmei5@asu.edu,
tgopinath@linux.microsoft.com, kys@microsoft.com
Subject: Re: [PATCH net] ipv6: avoid divide by zero in rt6_multipath_rebalance
Date: Thu, 20 Aug 2026 19:50:10 +0000 [thread overview]
Message-ID: <178725541088.453960.4449690139122804509.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260817013237.2797-1-blbllhy@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Sun, 16 Aug 2026 21:32:37 -0400 you wrote:
> rt6_multipath_rebalance() calculates the total eligible nexthop weight
> in one pass and programs upper bounds in a second pass. Since
> RTM_NEWROUTE is RTNL-free, a concurrent
> ignore_routes_with_linkdown update can make the first pass return zero
> while the second sees an eligible nexthop, causing
> rt6_upper_bound_set() to divide by zero.
>
> [...]
Here is the summary with links:
- [net] ipv6: avoid divide by zero in rt6_multipath_rebalance
https://git.kernel.org/netdev/net/c/d2c26c2911dd
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-08-20 19:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-17 1:32 [PATCH net] ipv6: avoid divide by zero in rt6_multipath_rebalance Cen Zhang (Microsoft)
2026-08-19 15:15 ` Ido Schimmel
2026-08-20 19:50 ` patchwork-bot+netdevbpf [this message]
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