Re: [PATCH net v2] mctp: route: iterate socket tag list in mctp_lookup_prealloc_tag()

From: patchwork-bot+netdevbpf

Date: Thu Sep 24 2026 - 12:49:02 EST


Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Mon, 21 Sep 2026 05:10:01 +0000 you wrote:
> When a socket transmits a packet with MCTP_TAG_PREALLOC set,
> mctp_lookup_prealloc_tag() iterates over the per-netns &mns->keys list
> and matches netid, req_tag, peer_addr, and manual_alloc, without
> checking whether tmp->sk == &msk->sk. This allows any MCTP socket in the
> same network namespace to use and consume another socket's preallocated
> tag.
>
> [...]

Here is the summary with links:
- [net,v2] mctp: route: iterate socket tag list in mctp_lookup_prealloc_tag()
https://git.kernel.org/netdev/net/c/26cc0e69cce0

You are awesome, thank you!
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