[panda-users] taint segmentation fault
xiaojuan Li
xiaotan6666 at gmail.com
Mon Apr 20 22:51:03 EDT 2015
1. the command i use is :
./qemu-system-arm 0m 512 -replay api414-4-20 -M android_arm -kernel
/dev/null -android -panda
"stringsearch:name=test;tstringsearch;tainted_instr"
2.the output is:
Adding PANDA arg stringsearch:name=test.
adding
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_stringsearch.so
to panda_plugin_files 0
adding
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_tstringsearch.so
to panda_plugin_files 1
adding
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_tainted_instr.so
to panda_plugin_files 2
emulator: registered 'boot-properties' qemud service
emulator: Adding boot property: 'dalvik.vm.heapsize' = '48m'
emulator: Adding boot property: 'qemu.sf.fake_camera' = 'both'
emulator: Adding boot property: 'qemu.hw.mainkeys' = '0'
loading
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_stringsearch.so
Initializing plugin stringsearch
panda_require: callstack_instr
loading
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_callstack_instr.so
Initializing plugin callstack_instr
Success
stringsearch: added string of length 14 to search set
Success
loading
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_tstringsearch.so
Initializing tstringsearch
panda_require: stringsearch
panda_load_plugin:
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_stringsearch.so
already loaded
panda_require: taint2
loading
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_taint2.so
Initializing taint plugin
taint2: Instructed not to inline taint ops.
panda_require: callstack_instr
panda_load_plugin:
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_callstack_instr.so
already loaded
Success
Success
loading
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_tainted_instr.so
panda_require: taint2
panda_load_plugin:
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_taint2.so
already loaded
panda_require: callstack_instr
panda_load_plugin:
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_callstack_instr.so
already loaded
Success
goldfish_add_device: goldfish_device_bus, base ff001000 1000, irq 1 1
goldfish_device_bus: ff001000 30
goldfish_add_device: goldfish_int, base ff000000 1000, irq 0 0
goldfish_int: ff000000 38
goldfish_add_device: goldfish_timer, base ff003000 1000, irq 3 1
goldfish_timer: ff003000 40
goldfish_add_device: goldfish_rtc, base ff010000 1000, irq 10 1
goldfish_rtc: ff010000 48
goldfish_add_device: goldfish_tty, base ff002000 1000, irq 4 1
goldfish_tty: ff002000 50
android_arm_init serial 1 0
android_arm_init serial 2 0
android_arm_init serial 3 0
goldfish_add_device: smc91x, base ff011000 1000, irq 11 1
goldfish_add_device: goldfish_fb, base ff012000 1000, irq 12 1
goldfish_fb: ff012000 68
Using tmpfile for SD card: /tmp/android-shentanli/emulator-P6kmpf
goldfish_add_device: goldfish_mmc, base ff005000 1000, irq 13 1
goldfish_mmc: ff005000 70
goldfish_add_device: goldfish_memlog, base ff006000 1000, irq 0 0
goldfish_memlog: ff006000 78
goldfish_add_device: goldfish-battery, base ff013000 1000, irq 14 1
goldfish-battery: ff013000 80
goldfish_add_device: goldfish_events, base ff014000 1000, irq 15 1
goldfish_events: ff014000 88
Using event IRQ
Invalid system partition size for non-QCOW image: 0emulator: geometry says
there are 0 blocks
emulator: Dev size of /tmp/android-shentanli/emulator-jxC2Uf is 0
Invalid data partition size for non-QCOW image: 0emulator: Dev size 0x0
came from argument
emulator: geometry says there are 0 blocks
emulator: Dev size of /tmp/android-shentanli/emulator-2FZLqg is 0
emulator: Dev size 0x0 came from argument
emulator: geometry says there are 0 blocks
emulator: Dev size of /tmp/android-shentanli/emulator-lyszWg is 0
goldfish_add_device: goldfish_nand, base ff015000 1000, irq 16 1
goldfish_nand: ff015000 90
goldfish_add_device: qemu_pipe, base ff016000 2000, irq 17 1
qemu_pipe: ff016000 98
emulator: control console listening on port 5554, ADB on port 5555
emulator: can't connect to ADB server: Connection refused
emulator: Realistic sensor emulation is not available, since the remote
controller is not accessible:
Connection refused
loading snapshot
emulator: Adding boot property: 'dalvik.vm.heapsize' = '48m'
emulator: Adding boot property: 'qemu.sf.fake_camera' = 'both'
emulator: Adding boot property: 'qemu.hw.mainkeys' = '0'
Unknown savevm section or instance 'goldfish_tty' 1
... done.
Logging all cpu states
CPU #0:
R00=00000000 R01=c049bcb8 R02=00000000 R03=00000000
R04=c0480000 R05=c04b9948 R06=c048fd34 R07=c047b374
R08=c0a05100 R09=410fc090 R10=00000000 R11=00000000
R12=c049bcb8 R13=c0481fb0 R14=c000e3f4 R15=c00158c8
PSR=60000093 -ZC- A svc32
opening nondet log for read :
/home/shentanli/pandanew/scripts/api414-4-20-rr-nondet.log
api414-4-20: 81316759 ( 1.04%) instrs. 7.52 sec. 0.61 GB ram.
api414-4-20: 156342747 ( 2.00%) instrs. 15.90 sec. 0.69 GB ram.
api414-4-20: 234368551 ( 3.00%) instrs. 24.93 sec. 0.76 GB ram.
api414-4-20: 312493247 ( 4.00%) instrs. 35.45 sec. 0.83 GB ram.
api414-4-20: 390616091 ( 5.00%) instrs. 43.97 sec. 0.87 GB ram.
api414-4-20: 468738195 ( 6.00%) instrs. 49.32 sec. 0.90 GB ram.
api414-4-20: 547631582 ( 7.01%) instrs. 54.12 sec. 0.93 GB ram.
api414-4-20: 624983872 ( 8.00%) instrs. 57.67 sec. 0.94 GB ram.
api414-4-20: 703122355 ( 9.00%) instrs. 60.94 sec. 0.94 GB ram.
api414-4-20: 783198179 ( 10.03%) instrs. 64.60 sec. 0.95 GB ram.
READ Match of str 0 at: instr_count=812336749 : 72a7562e b6cb2e02 0d36c000
tstringsearch: thestring = [passwordisqemu]
tstringsearch: 70 61 73 73 77 6f 72 64 69 73 71 65 6d 75
tstringsearch: string in memory @ 0xa70d6212
enabling taint at instr count 812336749
taint2: __taint_enable_taint
taint2: Creating byte-level taint processor
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x10000000000.
taint2: Hugetlb failed. Trying without.
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x20000000000.
taint2: Hugetlb failed. Trying without.
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x30000000000.
taint2: Hugetlb failed. Trying without.
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x40000000000.
taint2: Hugetlb failed. Trying without.
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x50000000000.
taint2: Hugetlb failed. Trying without.
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x60000000000.
taint2: Hugetlb failed. Trying without.
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x70000000000.
taint2: Hugetlb failed. Trying without.
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x80000000000.
taint2: Hugetlb failed. Trying without.
taint2: Allocating large fast_shad (8589934592 bytes) @ 0x90000000000.
taint2: Hugetlb failed. Trying without.
Cannot allocate memory
taint2: Allocating small fast_shad (12800000 bytes) using malloc @
7f8b608d0010.
taint2: Allocating small fast_shad (256 bytes) using malloc @ 16be2a70.
taint2: Allocating small fast_shad (1024 bytes) using malloc @ 171c3540.
taint2: Allocating small fast_shad (867840 bytes) using malloc @ 1720ddd0.
taint2: Linking taint ops from
/home/shentanli/pandanew/qemu/arm-softmmu/panda_plugins/panda_taint2_ops.bc
taint2: Done initializing taint transformation.
taint2: Done processing helper functions for taint.
taint2: Done verifying module. Running...
****************************************************************************
applying taint labels to search string of length 14 @ p=0xa70d6212
******************************************************************************
Segmentation fault
2015-04-20 22:42 GMT-04:00 Brendan Dolan-Gavitt <brendandg at gatech.edu>:
> I am currently running your taint replay, and it is (so far) working
> fine. Here is the (slightly abbreviated) output I get:
>
> api414-4-20: 783198179 ( 10.03%) instrs. 218.26 sec. 0.96 GB ram.
> READ Match of str 0 at: instr_count=812336749 : 72a7562e b6cb2e02 0d36c000
> tstringsearch: thestring = [passwordisqemu]
> tstringsearch: 70 61 73 73 77 6f 72 64 69 73 71 65 6d 75
> tstringsearch: string in memory @ 0xa70d6212
> enabling taint at instr count 812336749
> taint2: __taint_enable_taint
> taint2: Creating byte-level taint processor
> taint2: Allocating large fast_shad (8589934592 bytes).
> taint2: Hugetlb failed. Trying without.
> taint2: Allocating small fast_shad (12800000 bytes) using malloc @
> 7fdd165c6010.
> taint2: Allocating small fast_shad (256 bytes) using malloc @ 7fdd0bec21a0.
> taint2: Allocating small fast_shad (1024 bytes) using malloc @
> 7fdcfc49ddc0.
> taint2: Allocating small fast_shad (867840 bytes) using malloc @
> 7fdcfc4e7db0.
> taint2: Linking taint ops from
> /scratch/git/pandroid/qemu/arm-softmmu/panda_plugins/panda_taint2_ops.bc
> taint2: Done initializing taint transformation.
> taint2: Done processing helper functions for taint.
> taint2: Done verifying module. Running...
>
>
> ****************************************************************************
> applying taint labels to search string of length 14 @ p=0xa70d6212
>
> ******************************************************************************
> READ Match of str 0 at: instr_count=812336765 : 72a7562e b6cb2a2a 0d36c000
> tstringsearch: thestring = [passwordisqemu]
> tstringsearch: 70 61 73 73 77 6f 72 64 69 73 71 65 6d 75
> tstringsearch: string in memory @ 0xa70d6212
>
>
> ****************************************************************************
> applying taint labels to search string of length 14 @ p=0xa70d6212
>
> ******************************************************************************
> READ Match of str 0 at: instr_count=812337316 : 72a7562e b6cb2e4a 0d36c000
> tstringsearch: thestring = [passwordisqemu]
> tstringsearch: 70 61 73 73 77 6f 72 64 69 73 71 65 6d 75
> tstringsearch: string in memory @ 0xa70d6212
>
>
> ****************************************************************************
> applying taint labels to search string of length 14 @ p=0xa70d6212
>
> ******************************************************************************
> READ Match of str 0 at: instr_count=812337331 : 72a7562e b6cb2a2a 0d36c000
> tstringsearch: thestring = [passwordisqemu]
> tstringsearch: 70 61 73 73 77 6f 72 64 69 73 71 65 6d 75
> tstringsearch: string in memory @ 0xa70d6212
>
>
> ****************************************************************************
> applying taint labels to search string of length 14 @ p=0xa70d6212
>
> ******************************************************************************
> api414-4-20: 859399601 ( 11.00%) instrs. 658.13 sec. 3.27 GB ram.
> api414-4-20: 937474512 ( 12.00%) instrs. 1017.48 sec. 4.70 GB ram.
> api414-4-20: 1015597970 ( 13.00%) instrs. 1265.76 sec. 5.58 GB ram.
>
> My command line to replay was:
>
> arm-softmmu/qemu-system-arm -m 512 -replay api414-4-20 -M android_arm
> -cpu cortex-a9 -android -kernel /dev/null -pandalog api.log -panda
> 'stringsearch:name=api;tstringsearch;tainted_instr'
>
> From the screenshot you posted earlier, it looks like yours had
> already failed by this point. If you are still getting a segfault with
> this replay, could you post:
>
> 1. The full command line you are using (as text, not a screenshot)
> 2. The full output from PANDA up to the point where the segfault
> happens (as text, not a screenshot)
>
> -Brendan
>
> On Mon, Apr 20, 2015 at 7:57 PM, xiaojuan Li <xiaotan6666 at gmail.com>
> wrote:
> > i know you are busy.
> > I just get stuck in this taint step but have no idea no fix it...(use
> core
> > dump to find where it segfault )
> > here is the 512M version:
> > http://pan.baidu.com/s/1mgopzIg
> > the content of search string .txt is "passwordisqemu"
> > thanks!
> >
> > 2015-04-20 11:32 GMT-04:00 Brendan Dolan-Gavitt <brendandg at gatech.edu>:
> >
> >> I will try to reproduce from those instructions in the next couple days.
> >> Sorry for the delay! Did you post the .rr of the recording with 512M
> >> somewhere? I only saw the 2G one.
> >>
> >> Thanks,
> >> Brendan
> >>
> >> On Mon, Apr 20, 2015 at 8:07 AM, xiaojuan Li <xiaotan6666 at gmail.com>
> >> wrote:
> >>>
> >>> about the taint segfault, if you cannot download that .rr i upload
> >>> before, you can follow the step to reproduce:
> >>> 1)use android studio to create avd, choose api21 target android 5.0.1
> use
> >>> the default size;you can get the cache-img,sdcard.img,data.img and
> >>> system.img and then copy kernel-qemu & rmdisk.img from sdk/systemimg;
> >>> 2)use pandaCovert.py to convert them and get the
> >>> (cache,data,system)-pandroid.qcow2 as well as kernel and initramfs;
> >>> 3)use runpandroid.py(-m 512) to boot emulator;telnet and begin_record
> >>> 4)run an app and input a string : end_record;
> >>> 5)use qemu-system-arm to replay(-m 512) with the panda
> >>> plugins:stringsearch,tstringsearch;tainted_instr.(the search string
> .txt is
> >>> the string you input)
> >>>
> >>> do you guys get the segfault ?
> >>> how can i fix it?
> >>> Thanks a lot!
> >>>
> >>> 2015-04-20 17:51 GMT+08:00 xiaojuan Li <xiaotan6666 at gmail.com>:
> >>>>
> >>>> excuse me, i have noticed that the ida_taint plugin:"win7 only but
> othre
> >>>> os could be easily added".
> >>>> i have installed ida pro in my system(debian),modified the
> ida_taint.bat
> >>>> with my ida path,when i use it :./ida_taint.bat name.json
> qemu-system-arm
> >>>> it failed. it seems not available in linux, is it?
> >>>> Thanks a lot!
> >>>>
> >>>>
> >>>> 2015-04-10 21:24 GMT-04:00 Brendan Dolan-Gavitt <brendandg at gatech.edu
> >:
> >>>>
> >>>>> Once you have used PANDA's taint system to identify the portions of
> the
> >>>>> code that process the data you're interested in, you will still have
> to
> >>>>> analyze that code do understand how it works. One way to do that
> might be to
> >>>>> use the scissors plugin to extract out the portion of the trace that
> >>>>> contains the code you're interested in, and then replay it with
> QEMU's "-d
> >>>>> in_asm -D asmlog.txt" options to get the disassembly for that code.
> >>>>>
> >>>>> Alternatively, you could take a memory snapshot at some point when
> the
> >>>>> code you want to analyze is in memory (using something like the
> pmemsave
> >>>>> plugin in PANDA), then use Volatility to analyze that memory image to
> >>>>> extract out the binary, which you could look at in IDA or something
> similar.
> >>>>>
> >>>>> Basically – disassemble the code that handles the data you're
> >>>>> interested in and find out how it works. Exactly what that means
> will depend
> >>>>> on what you're hoping to accomplish.
> >>>>>
> >>>>> -Brendan
> >>>>>
> >>>>> On Fri, Apr 10, 2015 at 9:07 PM, xiaojuan Li <xiaotan6666 at gmail.com>
> >>>>> wrote:
> >>>>>>
> >>>>>> Hi,
> >>>>>> Thanks for your job first.
> >>>>>> I am a little confused about the result of the tainted.how can I get
> >>>>>> enough information about the processing code from the binary? use
> the gdb?
> >>>>>> Thanks!
> >>>>>>
> >>>>>> 2015-04-10 12:05 GMT+08:00 xiaojuan Li <xiaotan6666 at gmail.com>:
> >>>>>>>
> >>>>>>> Thanks for your guys great work!
> >>>>>>> and I will try.
> >>>>>>>
> >>>>>>> 2015-04-10 11:42 GMT+08:00 Brendan Dolan-Gavitt
> >>>>>>> <brendandg at gatech.edu>:
> >>>>>>>>
> >>>>>>>> Hi,
> >>>>>>>>
> >>>>>>>> Tim has just updated the tainted_instructions tutorial so that it
> >>>>>>>> reflects how things work now. Could you look through that
> tutorial and see
> >>>>>>>> if it helps with your problem?
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> https://github.com/moyix/panda/blob/master/docs/tainted_instructions.md
> >>>>>>>>
> >>>>>>>> Note that you will probably need to do a "git pull" and rebuild
> >>>>>>>> (make clean ; ./build.sh) in order to make sure everything works
> as it says
> >>>>>>>> in the tutorial.
> >>>>>>>>
> >>>>>>>> -Brendan
> >>>>>>>>
> >>>>>>>> On Thu, Apr 9, 2015 at 9:30 AM, xiaojuan Li <
> xiaotan6666 at gmail.com>
> >>>>>>>> wrote:
> >>>>>>>>>
> >>>>>>>>> Now that the panda taint.md is not fresh,can you guys give me
> some
> >>>>>>>>> help?
> >>>>>>>>> I use the replay plugin,here is my command and the result.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> the content of pk_search_strings.txt is :"sdt"
> >>>>>>>>>
> >>>>>>>>> I am confused here:in the paper— Repeatable reverse with panda:
> >>>>>>>>> :
> >>>>>>>>> it is clear that:if I use the stringsearch and taint plugin,when
> it
> >>>>>>>>> matches, the taint label will be put and then taint action will
> start.but
> >>>>>>>>> when I use it, it seems wrong(the picture showed before):no
> taint action
> >>>>>>>>> execute,and i am confused about the tstringsearch's result.
> >>>>>>>>> how can i use it to analysis?
> >>>>>>>>> Thanks a lot!
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> 2015-04-08 10:14 GMT+08:00 xiaojuan Li <xiaotan6666 at gmail.com>:
> >>>>>>>>>>
> >>>>>>>>>> I get the replay file by running runandroid script. and i use
> >>>>>>>>>> qemu-system-arm command just to do some replay work.
> >>>>>>>>>> I may not understand you at all in this emal.do you mean that i
> >>>>>>>>>> should gdb the original program rather than the record file?
> >>>>>>>>>> Thansk
> >>>>>>>>>>
> >>>>>>>>>> 2015-04-08 9:52 GMT+08:00 Brendan Dolan-Gavitt
> >>>>>>>>>> <brendandg at gatech.edu>:
> >>>>>>>>>>>
> >>>>>>>>>>> Hmm. gdb should normally stop when you get a segfault.
> >>>>>>>>>>>
> >>>>>>>>>>> Are you by any chance running PANDA using the runandroid
> script?
> >>>>>>>>>>> If so, you will need to instead invoke PANDA manually, i.e.:
> >>>>>>>>>>>
> >>>>>>>>>>> gdb --args arm-softmmu/qemu-system-arm [...]
> >>>>>>>>>>>
> >>>>>>>>>>> And then once it crashes, type "bt" at the gdb prompt to get a
> >>>>>>>>>>> backtrace.
> >>>>>>>>>>>
> >>>>>>>>>>> -Brendan
> >>>>>>>>>>>
> >>>>>>>>>>> On Tue, Apr 7, 2015 at 9:47 PM, xiaojuan Li
> >>>>>>>>>>> <xiaotan6666 at gmail.com> wrote:
> >>>>>>>>>>>>
> >>>>>>>>>>>> when gdb,it shows:
> >>>>>>>>>>>> and then i see the log:it shows segfault:
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> 2015-04-08 9:03 GMT+08:00 xiaojuan Li <xiaotan6666 at gmail.com
> >:
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> maybe i am wrong.
> >>>>>>>>>>>>> i use the command
> >>>>>>>>>>>>> line:"taint2:label_mode=binary,query_outgoing_network=1"and
> I found that
> >>>>>>>>>>>>> when i use taint2, after it loads panda_taint2.so,it
> >>>>>>>>>>>>> shows:"taint2:instructed not to inline taint ops .success".
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> 2015-04-08 8:54 GMT+08:00 xiaojuan Li <xiaotan6666 at gmail.com
> >:
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> ok.
> >>>>>>>>>>>>>> 1.I want to use taint plugin to get information about some
> >>>>>>>>>>>>>> functions(of course, it is closed-source),so I think I can
> stringsearch
> >>>>>>>>>>>>>> potential data and then taint them and next I can locate
> the functions which
> >>>>>>>>>>>>>> solves these data.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> 2.the command line I used is :
> >>>>>>>>>>>>>> stringsearch:name=***;taint2:tainted_instructions=1.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> thanks
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> 2015-04-08 8:40 GMT+08:00 Brendan Dolan-Gavitt
> >>>>>>>>>>>>>> <brendandg at gatech.edu>:
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> Could you provide:
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> 1. What information you're trying to get
> >>>>>>>>>>>>>>> 2. The command line you're using to run PANDA with the
> taint2
> >>>>>>>>>>>>>>> plugin
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> ?
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> Right now I believe taint2 does not produce very much
> output
> >>>>>>>>>>>>>>> by default. Instead you use the -pandalog <filename>
> command line option,
> >>>>>>>>>>>>>>> and taint2 will write its results there in pandalog
> format; you can then
> >>>>>>>>>>>>>>> read them using pandalog_reader (see
> panda/pandalog_reader.c for details on
> >>>>>>>>>>>>>>> that tool).
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> -Brendan
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> On Tue, Apr 7, 2015 at 8:32 PM, xiaojuan Li
> >>>>>>>>>>>>>>> <xiaotan6666 at gmail.com> wrote:
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> when I tried taint2,it showed the same error with taint1,
> >>>>>>>>>>>>>>>> the olny difference is that taint2 has no segfault
> error,just uninit taint
> >>>>>>>>>>>>>>>> plugin.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> 2015-04-08 8:28 GMT+08:00 Brendan Dolan-Gavitt
> >>>>>>>>>>>>>>>> <brendandg at gatech.edu>:
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Could you be a little more descriptive about how it
> failed?
> >>>>>>>>>>>>>>>>> Segfault? Error message? Incorrect output?
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> -Brendan
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> On Tue, Apr 7, 2015 at 8:27 PM, xiaojuan Li
> >>>>>>>>>>>>>>>>> <xiaotan6666 at gmail.com> wrote:
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> i tried taint2 too,it failed.
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> 2015-04-07 5:20 GMT+08:00 Leek, Timothy - 0559 - MITLL
> >>>>>>>>>>>>>>>>>> <tleek at ll.mit.edu>:
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> Also note that the “taint” plugin is somewhat defunct.
> >>>>>>>>>>>>>>>>>>> “taint2” is the one we are actively using and
> developing.
> >>>>>>>>>>>>>>>>>>> --
> >>>>>>>>>>>>>>>>>>> Tim Leek
> >>>>>>>>>>>>>>>>>>> Technical Staff
> >>>>>>>>>>>>>>>>>>> Cyber System Assessments
> >>>>>>>>>>>>>>>>>>> MIT Lincoln Laboratory
> >>>>>>>>>>>>>>>>>>> 781-981-2975
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> From: Brendan Dolan-Gavitt <brendandg at gatech.edu>
> >>>>>>>>>>>>>>>>>>> Date: Monday, April 6, 2015 at 5:18 PM
> >>>>>>>>>>>>>>>>>>> To: xiaojuan Li <xiaotan6666 at gmail.com>
> >>>>>>>>>>>>>>>>>>> Cc: "panda-users at mit.edu" <panda-users at mit.edu>
> >>>>>>>>>>>>>>>>>>> Subject: Re: [panda-users] taint segmentation fault
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> Could you run that under gdb and provide us with a
> >>>>>>>>>>>>>>>>>>> backtrace when it crashes?
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> -Brendan
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> On Sunday, April 5, 2015, xiaojuan Li
> >>>>>>>>>>>>>>>>>>> <xiaotan6666 at gmail.com> wrote:
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> Hi,
> >>>>>>>>>>>>>>>>>>>> excuse me,i have a question about taint
> >>>>>>>>>>>>>>>>>>>>
> plugin:(stringsearch:name=***;taint:tainted_instructions=1)
> >>>>>>>>>>>>>>>>>>>> when I started it showed success:
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> but when it finished search,it showd "uninit taint
> >>>>>>>>>>>>>>>>>>>> plugin segementation fault"
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>>> how can I fix it?
> >>>>>>>>>>>>>>>>>>>> Thanks a lot!
> >>>>>>>>>>>>>>>>>>>> --
> >>>>>>>>>>>>>>>>>>>> wait and hope~~
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> --
> >>>>>>>>>>>>>>>>>> wait and hope~~
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> _______________________________________________
> >>>>>>>>>>>>>>>>>> panda-users mailing list
> >>>>>>>>>>>>>>>>>> panda-users at mit.edu
> >>>>>>>>>>>>>>>>>> http://mailman.mit.edu/mailman/listinfo/panda-users
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> --
> >>>>>>>>>>>>>>>> wait and hope~~
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> --
> >>>>>>>>>>>>>> wait and hope~~
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> --
> >>>>>>>>>>>>> wait and hope~~
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> --
> >>>>>>>>>>>> wait and hope~~
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>> --
> >>>>>>>>>> wait and hope~~
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> --
> >>>>>>>>> wait and hope~~
> >>>>>>>>
> >>>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>> --
> >>>>>>> wait and hope~~
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> --
> >>>>>> wait and hope~~
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> wait and hope~~
> >>>
> >>>
> >>>
> >>>
> >>> --
> >>> wait and hope~~
> >>
> >>
> >
> >
> >
> > --
> > wait and hope~~
>
--
wait and hope~~
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