linux-kernel - [PATCH v3 net-next 0/2] support for '%s' in bpf_trace

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Date:	Fri, 28 Aug 2015 15:56:21 -0700
From:	Alexei Starovoitov <ast@...mgrid.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Wang Nan <wangnan0@...wei.com>, He Kuang <hekuang@...wei.com>,
	Daniel Borkmann <daniel@...earbox.net>,
	Brendan Gregg <brendan.d.gregg@...il.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 net-next 0/2] support for '%s' in bpf_trace_printk

v2->v3:
fix the comment to mention that strncpy_from_unsafe() returns
the length of the string including the trailing NUL.

v1->v2:
patch 1: generalize FETCH_FUNC_NAME(memory, string) into
strncpy_from_unsafe()
patch 2: use it in bpf_trace_printk

Alexei Starovoitov (2):
  lib: introduce strncpy_from_unsafe()
  bpf: add support for %s specifier to bpf_trace_printk()

 include/linux/uaccess.h     |    2 ++
 kernel/trace/bpf_trace.c    |   32 ++++++++++++++++++++++++++++++--
 kernel/trace/trace_kprobe.c |   20 ++++----------------
 lib/strncpy_from_user.c     |   41 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 77 insertions(+), 18 deletions(-)

-- 
1.7.9.5

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