netdev - Re: [PATCH net] mptcp: Do not return EINPROGRESS when subflow creation succeeds

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <165889141387.5272.6096636304213896963.git-patchwork-notify@kernel.org>
Date:   Wed, 27 Jul 2022 03:10:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Mat Martineau <mathew.j.martineau@...ux.intel.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, edumazet@...gle.com,
        matthieu.baerts@...sares.net, fw@...len.de, mptcp@...ts.linux.dev
Subject: Re: [PATCH net] mptcp: Do not return EINPROGRESS when subflow creation
 succeeds

Hello:

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

On Mon, 25 Jul 2022 13:52:31 -0700 you wrote:
> New subflows are created within the kernel using O_NONBLOCK, so
> EINPROGRESS is the expected return value from kernel_connect().
> __mptcp_subflow_connect() has the correct logic to consider EINPROGRESS
> to be a successful case, but it has also used that error code as its
> return value.
> 
> Before v5.19 this was benign: all the callers ignored the return
> value. Starting in v5.19 there is a MPTCP_PM_CMD_SUBFLOW_CREATE generic
> netlink command that does use the return value, so the EINPROGRESS gets
> propagated to userspace.
> 
> [...]

Here is the summary with links:
  - [net] mptcp: Do not return EINPROGRESS when subflow creation succeeds
    https://git.kernel.org/netdev/net/c/b5177ed92bf6

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html