Re: [PATCH net] sctp: fix race between sctp_wait_for_connect and peeloff

[email protected] Thu, 28 May 2026 23:50:06 +0000

Newsgroups	org.kernel.vger.linux-sctp,org.kernel.vger.netdev
Message-ID	<178001220615.1560944.11263521787130041641.git-patchwork-notify@kernel.org>

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email protected]>:

On Wed, 27 May 2026 11:24:11 +0800 you wrote:
> sctp_wait_for_connect() drops and re-acquires the socket lock while
> waiting for the association to reach ESTABLISHED state. During this
> window, another thread can peeloff the association to a new socket via
> getsockopt(SCTP_SOCKOPT_PEELOFF), changing asoc->base.sk. After
> re-acquiring the old socket lock, sctp_wait_for_connect() returns
> success without noticing the migration — the caller then accesses
> the association under the wrong lock in sctp_datamsg_from_user().
> 
> [...]

Here is the summary with links:
  - [net] sctp: fix race between sctp_wait_for_connect and peeloff
    https://git.kernel.org/netdev/net/c/f14fe6395a8b

You are awesome, thank you!
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