From: patchwork-bot+netdevbpf@kernel.org
To: Kuniyuki Iwashima <kuniyu@google.com>
Cc: dsahern@kernel.org, idosch@nvidia.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, kuni1840@gmail.com, netdev@vger.kernel.org,
syzkaller@googlegroups.com, yi1.lai@intel.com
Subject: Re: [PATCH v1 net] ipmr: Call ipmr_fib_lookup() under RCU.
Date: Thu, 07 May 2026 15:50:14 +0000 [thread overview]
Message-ID: <177816901429.4048611.16793001834053100372.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260506065955.1695753-1-kuniyu@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 6 May 2026 06:59:53 +0000 you wrote:
> Yi Lai reported RCU splat in reg_vif_xmit() below. [0]
>
> When CONFIG_IP_MROUTE_MULTIPLE_TABLES=n, ipmr_fib_lookup()
> uses rcu_dereference() without explicit rcu_read_lock().
>
> Although rcu_read_lock_bh() is already held by the caller
> __dev_queue_xmit(), lockdep requires explicit rcu_read_lock()
> for rcu_dereference().
>
> [...]
Here is the summary with links:
- [v1,net] ipmr: Call ipmr_fib_lookup() under RCU.
https://git.kernel.org/netdev/net/c/019c892e4654
You are awesome, thank you!
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prev parent reply other threads:[~2026-05-07 15:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-06 6:59 [PATCH v1 net] ipmr: Call ipmr_fib_lookup() under RCU Kuniyuki Iwashima
2026-05-06 10:13 ` Eric Dumazet
2026-05-06 14:50 ` Ido Schimmel
2026-05-07 15:50 ` patchwork-bot+netdevbpf [this message]
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