[LTP] [COMMITTED] [PATCH 2/2] tools/strace_test: Remove.
Cyril Hrubis
chrubis@suse.cz
Tue Dec 6 14:30:51 CET 2016
The test seems to be hackish fuzzer created by patching up strace in
2004. There were no changes since the initial import and it's not
compiled/installed by default either.
Given that we have several kernel fuzzers developed these days (trinity,
syzkaller, ...) it makes very little sense to keep this, likely broken,
code around.
Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
---
tools/strace_test/GPL_V2 | 340 -----------------------------------------
tools/strace_test/README | 19 ---
tools/strace_test/go_go.sh | 48 ------
tools/strace_test/run.sh | 14 --
tools/strace_test/slay | 158 -------------------
tools/strace_test/strace.patch | 272 ---------------------------------
tools/strace_test/test.sh | 17 ---
tools/strace_test/waker.sh | 39 -----
8 files changed, 907 deletions(-)
delete mode 100644 tools/strace_test/GPL_V2
delete mode 100644 tools/strace_test/README
delete mode 100755 tools/strace_test/go_go.sh
delete mode 100755 tools/strace_test/run.sh
delete mode 100755 tools/strace_test/slay
delete mode 100644 tools/strace_test/strace.patch
delete mode 100755 tools/strace_test/test.sh
delete mode 100755 tools/strace_test/waker.sh
diff --git a/tools/strace_test/GPL_V2 b/tools/strace_test/GPL_V2
deleted file mode 100644
index 5e76076..0000000
--- a/tools/strace_test/GPL_V2
+++ /dev/null
@@ -1,340 +0,0 @@
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diff --git a/tools/strace_test/README b/tools/strace_test/README
deleted file mode 100644
index 88b4d0d..0000000
--- a/tools/strace_test/README
+++ /dev/null
@@ -1,19 +0,0 @@
-Strace Test
-
-Introduction:
-Strace Test is designed to test the kernel by calling syscalls improperly.
-It uses ltp as a base to generate realistic syscalls and then it randomly
-calls improper variations of those system calls.
-
-The tests are started by root but they are run with user permisions. The root
-user needs to restart the tests around every 10 seconds.
-
-Usage:
-./go_go.sh [user][max_tests][test_percent]
- user => username to the scripts under
- max_tests => maximun concurrent tests to run
-test_percent => percent of the syscalls to test
-
-Copying:
-Strace Test is distributed under the GPL
-Strace, and LTP are GPL as well.
diff --git a/tools/strace_test/go_go.sh b/tools/strace_test/go_go.sh
deleted file mode 100755
index 69d1998..0000000
--- a/tools/strace_test/go_go.sh
+++ /dev/null
@@ -1,48 +0,0 @@
-#!/bin/bash
-
-# Copyright (C) 2004 Dan Carpenter
-# This software is released under the terms of the GPL
-
-progname=$0
-dir=`dirname $progname`
-[ $dir == "." ] && dir=`pwd`
-
-if [[ "$1" == "-h" || "$1" == "-help" ]] ; then
- echo "$progname [user][max_tests][test_percent]"
- echo " user => username to the scripts under"
- echo " max_tests => maximun concurrent tests to run"
- echo "test_percent => percent of the syscalls to test"
- exit 0
-fi
-
-if [[ $1 == "" ]] ; then
- echo "Enter a user name to run the test under"
- read user
-else
- user="$1"
-fi
-
-[[ "$2" == "" ]] || max_tests="$2"
-[[ "$3" == "" ]] || test_percent="$3"
-
-if [ ! -e test_list.txt ] ; then
- echo "Enter the path to the ltp scripts"
- read ltp_path
- echo "Creating test_list.txt"
- find $ltp_path -type f -name \*[0-9] > test_list.txt
- tmp=`cat test_list.txt | wc -l`
- echo "$tmp test scripts found"
-fi
-
-trap "echo \"CTRL-C Pressed. Exiting\"
-./slay $user
-exit 0
-" 2
-
-while true ; do
- chmod +x $dir
- su $user -c ./test.sh
- sleep 8
- ./slay $user
-done
-
diff --git a/tools/strace_test/run.sh b/tools/strace_test/run.sh
deleted file mode 100755
index ed0bfb7..0000000
--- a/tools/strace_test/run.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/bash
-
-# Copyright (C) 2004 Dan Carpenter
-# This software is released under the terms of the GPL
-
-test_percent=20
-[[ $1 == "" ]] || test_percent=$1
-
-while true ; do
- RAND=$((RANDOM%$(cat test_list.txt | wc -l)))
- test=`cat test_list.txt | head -n $(($RAND + 1)) | tail -n 1`
- [ -f $test ] && ./strace -P $test_percent $test
- #[ -f $test ] && $test
-done
diff --git a/tools/strace_test/slay b/tools/strace_test/slay
deleted file mode 100755
index d3571c0..0000000
--- a/tools/strace_test/slay
+++ /dev/null
@@ -1,158 +0,0 @@
-#!/bin/sh
-#
-# slay 2.0 - kill all processes belonging to the specified user(s).
-# originally by Chris Ausbrooks <fish@bucket.ualr.edu>
-# based on kall (a script of unknown origin)
-# Heavily rewritten by Pawel Wiecek <coven@debian.org> for Debian
-# This is a free software distributed according to terms of GNU GPL
-# (see /usr/share/common-licenses/GPL)
-
-# Revision history:
-# 0.99 First attempt.
-# 1.0 Added Butthead.
-# 1.1 Added retribution.
-# 1.2 Added slayee notification.
-# 2.0 Completely rewritten
-# 2.1 Fix an *ugly* bug that caused slayer to be slain...
-
-USER=`whoami`
-SIGNAL=`echo $1 | grep '^\-.*'`
-ME=`basename $0`
-COOL='0'
-
-# this piece of nested ifs is added for Debian package only
-if [ -f /etc/slay_mode ]
-then
- if grep -q mean /etc/slay_mode
- then
- MODE='mean'
- fi
- if grep -q nice /etc/slay_mode
- then
- MODE='nice'
- fi
- if [ -z $SLAY_BUTTHEAD ]
- then
- if grep -q butthead /etc/slay_mode
- then
- SLAY_BUTTHEAD='on'
- fi
- if grep -q normal /etc/slay_mode
- then
- SLAY_BUTTHEAD='off'
- fi
- fi
-else
- MODE='mean'
- if [ -z $SLAY_BUTTHEAD ]
- then
- SLAY_BUTTHEAD='off'
- fi
-fi
-
-# Command line handling.
-if [ "$SIGNAL" != "" ]
-then
- shift
-else
- SIGNAL="-KILL"
-fi
-
-if [ "$SIGNAL" != "-clean" ]
-then
- SIGSHOW="$SIGNAL"
-else
- SIGSHOW="-TERM + -KILL"
-fi
-
-# Help for loosers.
-if [ "$1" = "" -o "$1" = "--help" ]
-then
- echo "usage: $ME [-signal] name [name...]"
- if [ "$SLAY_BUTTHEAD" = "on" ]
- then
- echo " Like, kills people and stuff."
- echo " With -clean kicks ass forst and then does real pain."
- else
- echo " Kills all processes belonging to any of the given names."
- echo " Use -clean as a signal name to kill with TERM first and then with KILL."
- fi
- exit -1
-fi
-
-# Misuse trap.
-if [ "$USER" != "$1" ]
-then
- if [ "$USER" != "root" ]
- then
- if [ "$MODE" = "mean" ]
- then
- $0 -KILL $USER
- else
- if [ "$SLAY_BUTTHEAD" = "on" ]
- then
- echo "${ME}: Cut it out."
- else
- echo "${ME}: Only root gets to do that."
- fi
- fi
- exit 2
- fi
-fi
-
-# Main body.
-while [ "$1" != "" ]
-do
- if [ "$1" = "$USER" ]
- then
- if [ "$SLAY_BUTTHEAD" = "on" ]
- then
- echo "${ME}: Beavis, don't make me have to smack you."
- else
- echo "${ME}: Illegal operation."
- fi
- fi
- COOL="1"
- if [ "$SLAY_BUTTHEAD" = "on" ]
- then
- printf "${ME}: $SIGSHOW is kicking $1's butt!\n"
- printf "\\n\\n\\nI'm kicking your butt.\\n\\n\\n\n" | write $1 2>/dev/null
- else
- printf "${ME}: Sending $SIGSHOW signal to $1's process(es)...\n"
- printf "\\n\\n\\nYour current session has been terminated.\\n\\n\\n\n" | \
- write $1 2>/dev/null
- fi
- if [ "$SIGNAL" = "-clean" ]
- then
- su -m $1 -c "kill -TERM -1 2>/dev/null"
- sleep 10
- su -m $1 -c "kill -KILL -1 2>/dev/null"
- else
- su -m $1 -c "kill $SIGNAL -1 2>/dev/null"
- fi
- shift
-done
-
-# Error message.
-if [ $COOL = "0" ]
-then
- if [ "$SLAY_BUTTHEAD" = "on" ]
- then
- echo "${ME}: How old are you, Beavis?"
- else
- echo "${ME}: Nothing done."
- fi
- exit 1
-fi
-
-# Non-error message.
-if [ $COOL = "1" ]
-then
- if [ "$SLAY_BUTTHEAD" = "on" ]
- then
- echo "${ME}: Whoa, I have the power supreme."
- else
- echo "${ME}: Done."
- fi
- exit 0
-fi
diff --git a/tools/strace_test/strace.patch b/tools/strace_test/strace.patch
deleted file mode 100644
index fbe8fd0..0000000
--- a/tools/strace_test/strace.patch
+++ /dev/null
@@ -1,272 +0,0 @@
-diff -urN strace-4.5.1/defs.h devel/defs.h
---- strace-4.5.1/defs.h 2003-11-13 18:54:03.000000000 -0800
-+++ devel/defs.h 2004-02-13 01:10:28.000000000 -0800
-@@ -456,6 +456,9 @@
- extern void printtv32 P((struct tcb*, long));
- extern void tprint_iov P((struct tcb *, int, long));
-
-+extern int test_percent;
-+extern void test_syscall P((struct tcb *));
-+
- #ifdef LINUX
- extern int internal_clone P((struct tcb *));
- #endif
-diff -urN strace-4.5.1/Makefile.am devel/Makefile.am
---- strace-4.5.1/Makefile.am 2003-03-30 16:59:18.000000000 -0800
-+++ devel/Makefile.am 2004-02-13 01:10:28.000000000 -0800
-@@ -15,7 +15,7 @@
- strace_SOURCES = strace.c syscall.c util.c desc.c file.c ipc.c \
- io.c ioctl.c mem.c net.c process.c bjm.c \
- resource.c signal.c sock.c system.c term.c time.c \
-- proc.c stream.c
-+ proc.c stream.c tester.c
- noinst_HEADERS = defs.h
-
- EXTRA_DIST = $(man_MANS) errnoent.sh signalent.sh syscallent.sh ioctlsort.c \
-diff -urN strace-4.5.1/Makefile.in devel/Makefile.in
---- strace-4.5.1/Makefile.in 2003-11-06 18:24:18.000000000 -0800
-+++ devel/Makefile.in 2004-02-13 01:10:28.000000000 -0800
-@@ -146,7 +146,7 @@
- strace_SOURCES = strace.c syscall.c util.c desc.c file.c ipc.c \
- io.c ioctl.c mem.c net.c process.c bjm.c \
- resource.c signal.c sock.c system.c term.c time.c \
-- proc.c stream.c
-+ proc.c stream.c tester.c
-
- noinst_HEADERS = defs.h
-
-@@ -210,7 +210,7 @@
- ioctl.$(OBJEXT) mem.$(OBJEXT) net.$(OBJEXT) process.$(OBJEXT) \
- bjm.$(OBJEXT) resource.$(OBJEXT) signal.$(OBJEXT) \
- sock.$(OBJEXT) system.$(OBJEXT) term.$(OBJEXT) time.$(OBJEXT) \
-- proc.$(OBJEXT) stream.$(OBJEXT)
-+ proc.$(OBJEXT) stream.$(OBJEXT) tester.$(OBJEXT)
- strace_OBJECTS = $(am_strace_OBJECTS)
- strace_LDADD = $(LDADD)
- strace_DEPENDENCIES =
-diff -urN strace-4.5.1/strace.c devel/strace.c
---- strace-4.5.1/strace.c 2003-11-11 13:24:23.000000000 -0800
-+++ devel/strace.c 2004-02-13 01:10:28.000000000 -0800
-@@ -205,7 +205,7 @@
- set_sortby(DEFAULT_SORTBY);
- set_personality(DEFAULT_PERSONALITY);
- while ((c = getopt(argc, argv,
-- "+cdfFhiqrtTvVxza:e:o:O:p:s:S:u:E:")) != EOF) {
-+ "+cdfFhiqrtTvVxza:e:o:O:p:s:S:u:E:P:")) != EOF) {
- switch (c) {
- case 'c':
- cflag++;
-@@ -298,6 +298,9 @@
- exit(1);
- }
- break;
-+ case 'P':
-+ test_percent = atoi(optarg);
-+ break;
- default:
- usage(stderr, 1);
- break;
-@@ -2219,6 +2222,8 @@
- va_dcl
- #endif
- {
-+ /* this just slows things down so it's commented out */
-+ /*
- va_list args;
-
- VA_START(args, fmt);
-@@ -2232,6 +2237,7 @@
- }
- va_end(args);
- return;
-+ */
- }
-
- void
-diff -urN strace-4.5.1/syscall.c devel/syscall.c
---- strace-4.5.1/syscall.c 2003-11-01 14:11:22.000000000 -0800
-+++ devel/syscall.c 2004-02-13 01:10:28.000000000 -0800
-@@ -2118,6 +2118,7 @@
- return 0;
- }
-
-+ test_syscall(tcp);
- if (tcp->flags & TCB_REPRINT) {
- printleader(tcp);
- tprintf("<... ");
-diff -urN strace-4.5.1/tester.c devel/tester.c
---- strace-4.5.1/tester.c 1969-12-31 16:00:00.000000000 -0800
-+++ devel/tester.c 2004-02-13 14:55:37.000000000 -0800
-@@ -0,0 +1,172 @@
-+#include <unistd.h>
-+#include <setjmp.h>
-+
-+#include "defs.h"
-+
-+int test_percent = 20;
-+
-+int
-+zero(arg)
-+int arg;
-+{
-+ return 0;
-+}
-+
-+int
-+one(arg)
-+int arg;
-+{
-+ return 1;
-+}
-+
-+int
-+minus_one(arg)
-+int arg;
-+{
-+ return -1;
-+}
-+
-+int
-+maxed(arg)
-+int arg;
-+{
-+ return 0xffffffff;
-+}
-+
-+int
-+dec_one(arg)
-+int arg;
-+{
-+ return arg - 1;
-+}
-+
-+int
-+inc_one(arg)
-+int arg;
-+{
-+ return arg + 1;
-+}
-+
-+int
-+xorred(arg)
-+int arg;
-+{
-+ return arg ^ 1;
-+}
-+
-+int
-+negative(arg)
-+int arg;
-+{
-+ return -arg;
-+}
-+
-+
-+void *magics[] ={
-+ zero,
-+ one,
-+ minus_one,
-+ maxed,
-+ dec_one,
-+ inc_one,
-+ xorred,
-+ negative
-+};
-+
-+static int test_counter;
-+static jmp_buf safe_state;
-+void
-+handle_segv(num)
-+int num;
-+{
-+ printf("seg fault...\n");
-+ test_counter++;
-+ /* longjmp here to avoid an enormous call stack */
-+ longjmp(safe_state, 0);
-+}
-+
-+void test_arg(tcp, narg)
-+struct tcb *tcp;
-+int narg;
-+{
-+ int (*f)(int);
-+ int val;
-+ int val_init = tcp->u_arg[narg];
-+ int rand_offset;
-+ int len_magics = sizeof(magics)/sizeof(void*);
-+
-+ rand_offset = random()%len_magics;
-+ test_counter = 0;
-+
-+ if (signal(SIGSEGV, handle_segv) == SIG_ERR)
-+ tprintf("\nError: cannot ignore signal\n");
-+
-+ while (1){
-+ setjmp(safe_state);
-+ if (test_counter >= len_magics)
-+ break;
-+ f = magics[(test_counter + rand_offset) % len_magics];
-+ test_counter++;
-+ val = f(val_init);
-+
-+ syscall(tcp->scno,
-+ (narg == 0)? val: tcp->u_arg[0],
-+ (narg == 1)? val: tcp->u_arg[1],
-+ (narg == 2)? val: tcp->u_arg[2],
-+ (narg == 3)? val: tcp->u_arg[3],
-+ (narg == 4)? val: tcp->u_arg[4],
-+ (narg == 5)? val: tcp->u_arg[5]);
-+ }
-+ signal(SIGSEGV, SIG_DFL);
-+}
-+
-+void
-+test_syscall(tcp)
-+struct tcb *tcp;
-+{
-+ int i;
-+
-+ /* only test a random set of syscalls */
-+ if ((random()%100) >= test_percent){
-+ return;
-+ }
-+
-+ /* we end up fork bombing ourselves if we test the
-+ forking code */
-+#define NR_SYSCALL_BASE 0
-+ switch (tcp->scno + NR_SYSCALL_BASE) {
-+#ifdef SYS_fork
-+ case SYS_fork:
-+#endif
-+#ifdef SYS_vfork
-+ case SYS_vfork:
-+#endif
-+#ifdef SYS_fork1
-+ case SYS_fork1:
-+#endif
-+#ifdef SYS_forkall
-+ case SYS_forkall:
-+#endif
-+#ifdef SYS_rfork1
-+ case SYS_rfork1:
-+#endif
-+#ifdef SYS_rforkall
-+ case SYS_rforkall:
-+#endif
-+#ifdef SYS_rfork
-+ case SYS_rfork:
-+#endif
-+#ifdef SYS_clone
-+ case SYS_clone:
-+#endif
-+#ifdef SYS_clone2
-+ case SYS_clone2:
-+#endif
-+ return;
-+ }
-+
-+ for (i = 0; i < tcp->u_nargs; i++){
-+ test_arg(tcp, i);
-+ }
-+}
-+
diff --git a/tools/strace_test/test.sh b/tools/strace_test/test.sh
deleted file mode 100755
index b4b74d5..0000000
--- a/tools/strace_test/test.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-
-# Copyright (C) 2004 Dan Carpenter
-# This software is released under the terms of the GPL
-
-max_tests=25
-test_percent=20
-
-[[ $1 == "" ]] || max_tests=$1
-[[ $2 == "" ]] || test_percent=$2
-
-./waker.sh &
-
-for i in `seq $max_tests` ; do
- ./run.sh $test_percent &
-done
-
diff --git a/tools/strace_test/waker.sh b/tools/strace_test/waker.sh
deleted file mode 100755
index 274604f..0000000
--- a/tools/strace_test/waker.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/bash
-
-# Copyright (C) 2004 Dan Carpenter
-# This software is released under the terms of the GPL
-
-SLEEP_SECS=1
-SEGV_SECS=4
-
-if ps | grep -q tty ; then
- delim='t'
- tty="tty"
-else
- delim='p'
- tty="pts"
-fi
-
-secs=0
-while true ; do
- # fixme (hack) assumes tests in test/ dir
- # assumes ltp naming scheme with a number on the
- # end of each test script
- for i in `ps x | \
- grep test | \
- grep [0-9]$ | \
- cut -d $delim -f 1` ; do
- if [ $secs -eq $SEGV_SECS ] ; then
- kill -SEGV $i
- else
- kill -CONT $i
- fi
- done
- if [ $secs -ge $SEGV_SECS ] ; then
- secs=0
- else
- secs=$(($secs + 1))
- fi
-
- sleep $SLEEP_SECS
-done
--
2.7.3
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