netdev - Re: [PATCH net] inet: control sockets should not use current thread task

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]

Message-ID: <Y7SugtXYKCnE0gFg@debian>
Date:   Tue, 3 Jan 2023 23:38:58 +0100
From:   Guillaume Nault <gnault@...hat.com>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        eric.dumazet@...il.com,
        syzbot+bebc6f1acdf4cbb79b03@...kaller.appspotmail.com,
        Benjamin Coddington <bcodding@...hat.com>
Subject: Re: [PATCH net] inet: control sockets should not use current thread
 task_frag

On Tue, Jan 03, 2023 at 07:27:36PM +0000, Eric Dumazet wrote:
> Because ICMP handlers run from softirq contexts,
> they must not use current thread task_frag.
> 
> Previously, all sockets allocated by inet_ctl_sock_create()
> would use the per-socket page fragment, with no chance of
> recursion.

Acked-by: Guillaume Nault <gnault@...hat.com>

Thanks for the fix!