linux-kernel - Re: [PATCH v2] net/sctp: fix race condition in sctp_destroy

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Message-Id: <161835180857.31494.15153605709607960746.git-patchwork-notify@kernel.org>
Date:   Tue, 13 Apr 2021 22:10:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Or Cohen <orcohen@...oaltonetworks.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        vyasevich@...il.com, nhorman@...driver.com,
        marcelo.leitner@...il.com, davem@...emloft.net, kuba@...nel.org,
        linux-sctp@...r.kernel.org, lucien.xin@...il.com,
        nmarkus@...oaltonetworks.com
Subject: Re: [PATCH v2] net/sctp: fix race condition in sctp_destroy_sock

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Tue, 13 Apr 2021 21:10:31 +0300 you wrote:
> If sctp_destroy_sock is called without sock_net(sk)->sctp.addr_wq_lock
> held and sp->do_auto_asconf is true, then an element is removed
> from the auto_asconf_splist without any proper locking.
> 
> This can happen in the following functions:
> 1. In sctp_accept, if sctp_sock_migrate fails.
> 2. In inet_create or inet6_create, if there is a bpf program
>    attached to BPF_CGROUP_INET_SOCK_CREATE which denies
>    creation of the sctp socket.
> 
> [...]

Here is the summary with links:
  - [v2] net/sctp: fix race condition in sctp_destroy_sock
    https://git.kernel.org/netdev/net/c/b166a20b0738

You are awesome, thank you!
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