netdev - Re: [PATCH net-next] bpf: add support for %s specifier to bpf_trace

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: <20150827.162039.1520656052011605652.davem@davemloft.net>
Date:	Thu, 27 Aug 2015 16:20:39 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ast@...mgrid.com
Cc:	mingo@...nel.org, rostedt@...dmis.org, wangnan0@...wei.com,
	hekuang@...wei.com, daniel@...earbox.net,
	brendan.d.gregg@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] bpf: add support for %s specifier to
 bpf_trace_printk()

From: Alexei Starovoitov <ast@...mgrid.com>
Date: Thu, 27 Aug 2015 16:06:14 -0700

> Fair or you still think it should be per byte copy?

I'm terribly surprised we don't have an equivalent of strncpy()
for unsafe kernel pointers.

You probably won't be the last person to want this, and it's silly
to optimize it in one place and then wait for cut&paste into the
next guy.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html