linux-kernel - Re: [PATCH net] net/x25: fix call timeouts in blocking connects

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 for Android: free password hash cracker in your pocket

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

Date:   Tue, 09 Aug 2022 04:00:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Martin Schiller <ms@....tdt.de>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        linux-x25@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net/x25: fix call timeouts in blocking connects

Hello:

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

On Fri,  5 Aug 2022 08:18:10 +0200 you wrote:
> When a userspace application starts a blocking connect(), a CALL REQUEST
> is sent, the t21 timer is started and the connect is waiting in
> x25_wait_for_connection_establishment(). If then for some reason the t21
> timer expires before any reaction on the assigned logical channel (e.g.
> CALL ACCEPT, CLEAR REQUEST), there is sent a CLEAR REQUEST and timer
> t23 is started waiting for a CLEAR confirmation. If we now receive a
> CLEAR CONFIRMATION from the peer, x25_disconnect() is called in
> x25_state2_machine() with reason "0", which means "normal" call
> clearing. This is ok, but the parameter "reason" is used as sk->sk_err
> in x25_disconnect() and sock_error(sk) is evaluated in
> x25_wait_for_connection_establishment() to check if the call is still
> pending. As "0" is not rated as an error, the connect will stuck here
> forever.
> 
> [...]

Here is the summary with links:
  - [net] net/x25: fix call timeouts in blocking connects
    https://git.kernel.org/netdev/net/c/944e594cfa84

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