[panda-users] taint segmentation fault
xiaojuan Li
xiaotan6666 at gmail.com
Mon Apr 20 22:56:08 EDT 2015
you mean that it caused by "allocate at a fixed address"
i am going to try and thanks.
2015-04-20 22:53 GMT-04:00 Brendan Dolan-Gavitt <brendandg at gatech.edu>:
> Ah! I forgot to push the commit I made to stop it from trying to
> allocate at a fixed address.
>
> Could you do a git pull, rebuild, and try again?
>
> -Brendan
>
> On Mon, Apr 20, 2015 at 10:51 PM, xiaojuan Li <xiaotan6666 at gmail.com>
> wrote:
> > 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~~
>
--
wait and hope~~
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