netdev - Re: [PATCH net] net: restrict SO_REUSEPORT to TCP, UDP and SCTP sockets

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Message-ID: <20241230160739.351a0459@kernel.org>
Date: Mon, 30 Dec 2024 16:07:39 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Eric Dumazet <edumazet@...gle.com>
Cc: "David S . Miller" <davem@...emloft.net>, Paolo Abeni
 <pabeni@...hat.com>, netdev@...r.kernel.org, Simon Horman
 <horms@...nel.org>, eric.dumazet@...il.com,
 syzbot+b3e02953598f447d4d2a@...kaller.appspotmail.com, Martin KaFai Lau
 <kafai@...com>
Subject: Re: [PATCH net] net: restrict SO_REUSEPORT to TCP, UDP and SCTP
 sockets

On Mon, 30 Dec 2024 19:34:30 +0000 Eric Dumazet wrote:
> After blamed commit, crypto sockets could accidentally be destroyed
> from RCU callback, as spotted by zyzbot [1].
> 
> Trying to acquire a mutex in RCU callback is not allowed.
> 
> Restrict SO_REUSEPORT socket option to TCP, UDP and SCTP sockets.

Looks like fcnal_test.sh and reuseport_addr_any.sh are failing
after this patch, we need to adjust their respective binaries.
I'll hide this patch from patchwork, even tho it's probably right..
-- 
pw-bot: defer