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-next>] [day] [month] [year] [list]
Message-ID: <4A8BAF16.8040504@cn.fujitsu.com>
Date:	Wed, 19 Aug 2009 15:51:50 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>, Jason Baron <jbaron@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/5] tracing/syscalls: Add filtering support

This patchset adds filtering support for syscall events

For syscall enter events, we can do filtering on syscall
parameters, and for exit events, filter on syscall return
value.

For example, we set 'mode == 0666' (0666 == 0x1b6) to
sys_enter_open, and set 'ret == 0' to sys_exit_open,
and here's the output:

 # echo 'mode == 0666' > events/syscalls/sys_enter_open
 # echo 'ret == 0' > events/syscalls/sys_exit_open
 # echo 1 > events/syscalls/sys_enter_open
 # echo 1 > events/syscalls/sys_exit_open
 # cat trace
 ...
   modprobe-3084 [001] 117.463140: sys_open(filename: 917d3e8, flags: 0, mode: 1b6) 
   modprobe-3084 [001] 117.463176: sys_open -> 0x0
       less-3086 [001] 117.510455: sys_open(filename: 9c6bdb8, flags: 8000, mode: 1b6) 
   sendmail-2574 [001] 122.145840: sys_open(filename: b807a365, flags: 0, mode: 1b6) 
 ...

[PATCH 1/5] tracing/syscalls: Fix fields format for enter events
[PATCH 2/5] tracing/syscalls: Add fields format for exit events
[PATCH 3/5] tracing/events: Add ftrace_event_call param to define_fields()
[PATCH 4/5] tracing/events: Add trace_define_common_fields()
[PATCH 5/5] tracing/syscalls: Add filtering support
---
 include/linux/ftrace_event.h  |   15 ++----
 include/linux/syscalls.h      |   19 +++++--
 include/trace/ftrace.h        |   11 ++---
 include/trace/syscall.h       |   13 ++++-
 kernel/trace/trace_events.c   |   29 +++++++++-
 kernel/trace/trace_export.c   |   13 ++---
 kernel/trace/trace_syscalls.c |  120 +++++++++++++++++++++++++++++++----------
 7 files changed, 156 insertions(+), 64 deletions(-)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ