linux-kernel - Re: [PATCH] net/packet: Allow MSG_NOSIGNAL flag in packet

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Date:   Wed, 8 Mar 2023 08:35:55 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Adnan Dizdarevic <adnan.dizdarevic@...-intec.de>,
        "willemdebruijn.kernel@...il.com" <willemdebruijn.kernel@...il.com>
Cc:     "asml.silence@...il.com" <asml.silence@...il.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net/packet: Allow MSG_NOSIGNAL flag in packet_recvmsg

On 3/8/23 8:18 AM, Adnan Dizdarevic wrote:
> By adding MSG_NOSIGNAL flag to allowed flags in packet_recvmsg, this
> patch fixes io_uring recvmsg operations returning -EINVAL when used with
> packet socket file descriptors.
> 
> In io_uring, MSG_NOSIGNAL flag is added in:
> io_uring/net.c/io_recvmsg_prep

FWIW, this did get fixed in io_uring, it's in 6.3-rc1 and is making
its way into the stable releases too:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7605c43d67face310b4b87dee1a28bc0c8cd8c0f

-- 
Jens Axboe