netdev - Re: Sending short raw packets using sendmsg() broke

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: <20160225.152628.1230785666614750970.davem@davemloft.net>
Date:	Thu, 25 Feb 2016 15:26:28 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	hessu@....iki.fi
Cc:	netdev@...r.kernel.org, willemb@...gle.com, alan@...ux.intel.com
Subject: Re: Sending short raw packets using sendmsg() broke

From: Heikki Hannikainen <hessu@....iki.fi>
Date: Thu, 25 Feb 2016 21:36:07 +0200 (EET)

> Commit 9c7077622dd9174 added a check, ll_header_truncated(), which
> requires that a packet transmitted using sendmsg() with PF_PACKET,
> SOCK_RAW must be longer than dev->hard_header_len.

Fixed by:

commit 880621c2605b82eb5af91a2c94223df6f5a3fb64
Author: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Date:   Sun Nov 22 17:46:09 2015 +0100

    packet: Allow packets with only a header (but no payload)