From: patchwork-bot+netdevbpf@kernel.org
To: Zhao Gongyi <zhaogongyi@bytedance.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@kernel.org,
kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
kuniyu@google.com, realwujing@gmail.com, stable@vger.kernel.org
Subject: Re: [PATCH net] net: netns: fix INT_MAX nsid cleanup
Date: Thu, 12 Nov 2026 18:50:10 +0000 [thread overview]
Message-ID: <179450941027.590019.10618104051930565627.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261111033525.65828-1-zhaogongyi@bytedance.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 11 Nov 2026 11:35:25 +0800 you wrote:
> A syzkaller reproducer assigning INT_MAX as a peer nsid triggers an
> idr_get_next() warning during netns cleanup. With panic_on_warn, this
> panics the kernel.
>
> alloc_netid() also overflows reqid + 1 for this nsid. Use
> idr_alloc_u32() for requested IDs and idr_get_next_ul() for cleanup so
> the cursor can advance past INT_MAX.
>
> [...]
Here is the summary with links:
- [net] net: netns: fix INT_MAX nsid cleanup
https://git.kernel.org/netdev/net/c/dd6f1e7582f0
You are awesome, thank you!
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prev parent reply other threads:[~2026-11-12 18:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 3:35 [PATCH net] net: netns: fix INT_MAX nsid cleanup Zhao Gongyi
2026-11-12 18:50 ` patchwork-bot+netdevbpf [this message]
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