netdev - Re: [PATCH net] net/smc: Send out the remaining data in sndbuf before close

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

Date:   Mon, 28 Mar 2022 17:55:59 +0800
From:   Wen Gu <guwen@...ux.alibaba.com>
To:     dust.li@...ux.alibaba.com, kgraul@...ux.ibm.com,
        davem@...emloft.net, kuba@...nel.org
Cc:     linux-s390@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net/smc: Send out the remaining data in sndbuf before
 close

Thanks for your comments.

On 2022/3/28 5:04 pm, dust.li wrote:
> 
> I think this issue should also happen if TCP_CORK is set and
> autocorking is not enabled ?

Yes, setting TCP_CORK also works.
> 
> Autocorking and delaying the TX from BH to smc_release_cb() greatly
> increased the probability of this problem.
>
Thanks,
Wen Gu