[PD] resend: popen vs shell bug

Kim Cascone kim at anechoicmedia.com
Mon Jun 28 18:17:50 CEST 2010


sorry for resending this but very curious if anyone was able to recreate 
this bug on OS X, XP/W7 or other flavors of Linux or other kernels?
my config is at the very end of the error report
patch attached
ciao!
KIM

======================================================

I send the following message to both the [popen] and the [shell] externals:

[cd /usr/lib/pd/extra && ls -al > ~/Desktop/foobar.txt]

when sent to [popen] it crashes Pd
but sending it to [shell] worked fine

below is the crash report (pd -stderr) after sending it to [popen]

FYI: I got rid of the [moonlib] version of [popen] as well as its help file
as you can see the flatspace one is being loaded

===================================

tried /usr/lib/pd/extra/flatspace/popen.pd_linux and succeeded

*** buffer overflow detected ***: pd terminated
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x48)[0xb76deef8]
/lib/tls/i686/cmov/libc.so.6[0xb76dd000]
/lib/tls/i686/cmov/libc.so.6[0xb76dc28d]
/usr/lib/pd/extra/flatspace/popen.pd_linux[0xb70e2b9f]
pd(pd_typedmess+0x2ab)[0x80b71db]
======= Memory map: ========
08048000-08111000 r-xp 00000000 08:03 35809      /usr/bin/pd
08111000-08112000 r--p 000c8000 08:03 35809      /usr/bin/pd
08112000-08113000 rw-p 000c9000 08:03 35809      /usr/bin/pd
08113000-08520000 rw-p 08113000 00:00 0
09f9f000-0a089000 rw-p 09f9f000 00:00 0          [heap]
b42f3000-b4348000 r-xp 00000000 08:03 34905
/usr/lib/liboil-0.3.so.0.3.0
b4348000-b4349000 r--p 00055000 08:03 34905
/usr/lib/liboil-0.3.so.0.3.0
b4349000-b4360000 rw-p 00056000 08:03 34905
/usr/lib/liboil-0.3.so.0.3.0
b4360000-b4362000 rw-p b4360000 00:00 0
b4362000-b4366000 r-xp 00000000 08:03 482419     /lib/libattr.so.1.1.0
b4366000-b4367000 r--p 00003000 08:03 482419     /lib/libattr.so.1.1.0
b4367000-b4368000 rw-p 00004000 08:03 482419     /lib/libattr.so.1.1.0
b4368000-b436b000 r-xp 00000000 08:03 482538     /lib/libuuid.so.1.2
b436b000-b436c000 r--p 00002000 08:03 482538     /lib/libuuid.so.1.2
b436c000-b436d000 rw-p 00003000 08:03 482538     /lib/libuuid.so.1.2
b436d000-b4405000 r-xp 00000000 08:03 34677      /usr/lib/libxvidcore.so.4.2
b4405000-b440f000 rw-p 00098000 08:03 34677      /usr/lib/libxvidcore.so.4.2
b440f000-b4479000 rw-p b440f000 00:00 0
b4479000-b4502000 r-xp 00000000 08:03 33520      /usr/lib/libx264.so.68
b4502000-b4504000 rw-p 00088000 08:03 33520      /usr/lib/libx264.so.68
b4504000-b450b000 rw-p b4504000 00:00 0
b450b000-b4526000 r-xp 00000000 08:03 1406274
/usr/lib/sse2/libspeex.so.1.5.0
b4526000-b4527000 r--p 0001a000 08:03 1406274
/usr/lib/sse2/libspeex.so.1.5.0
b4527000-b4528000 rw-p 0001b000 08:03 1406274
/usr/lib/sse2/libspeex.so.1.5.0
b4528000-b4598000 r-xp 00000000 08:03 33499
/usr/lib/libschroedinger-1.0.so.0.2.0
b4598000-b4599000 ---p 00070000 08:03 33499
/usr/lib/libschroedinger-1.0.so.0.2.0
b4599000-b459a000 r--p 00070000 08:03 33499
/usr/lib/libschroedinger-1.0.so.0.2.0
b459a000-b459b000 rw-p 00071000 08:03 33499
/usr/lib/libschroedinger-1.0.so.0.2.0
b459b000-b45b8000 r-xp 00000000 08:03 36726
/usr/lib/libopenjpeg-2.1.3.0.so
b45b8000-b45b9000 r--p 0001c000 08:03 36726
/usr/lib/libopenjpeg-2.1.3.0.so
b45b9000-b45ba000 rw-p 0001d000 08:03 36726
/usr/lib/libopenjpeg-2.1.3.0.so
b45ba000-b45ce000 r-xp 00000000 08:03 33583
/usr/lib/libopencore-amrwb.so.0.1.1
b45ce000-b45cf000 rw-p 00014000 08:03 33583
/usr/lib/libopencore-amrwb.so.0.1.1
b45cf000-b45fc000 r-xp 00000000 08:03 33581
/usr/lib/libopencore-amrnb.so.0.1.1
b45fc000-b45fd000 rw-p 0002c000 08:03 33581
/usr/lib/libopencore-amrnb.so.0.1.1
b45fd000-b4609000 r-xp 00000000 08:03 35799      /usr/lib/libgsm.so.1.0.12
b4609000-b460a000 rw-p 0000b000 08:03 35799      /usr/lib/libgsm.so.1.0.12
b460a000-b4645000 r-xp 00000000 08:03 36722      /usr/lib/libfaad.so.0.0.0
b4645000-b4646000 ---p 0003b000 08:03 36722      /usr/lib/libfaad.so.0.0.0
b4646000-b4647000 r--p 0003b000 08:03 36722      /usr/lib/libfaad.so.0.0.0
b4647000-b464a000 rw-p 0003c000 08:03 36722      /usr/lib/libfaad.so.0.0.0
b464a000-b4658000 r-xp 00000000 08:03 33922      /usr/lib/libfaac.so.0.0.0
b4658000-b465b000 rw-p 0000d000 08:03 33922      /usr/lib/libfaac.so.0.0.0
b465b000-b46eb000 r-xp 00000000 08:03 36716
/usr/lib/libdirac_encoder.so.0.1.0
b46eb000-b46ed000 rw-p 00090000 08:03 36716
/usr/lib/libdirac_encoder.so.0.1.0
b46ed000-b46ee000 rw-p b46ed000 00:00 0
b46ee000-b46fd000 r-xp 00000000 08:03 409348
/usr/lib/i686/cmov/libavutil.so.50.16.0
b46fd000-b46fe000 rw-p 0000f000 08:03 409348
/usr/lib/i686/cmov/libavutil.so.50.16.0
b46fe000-b4701000 rw-p b46fe000 00:00 0
b4701000-b473b000 r-xp 00000000 08:03 482466     /lib/libncursesw.so.5.7
b473b000-b473c000 ---p 0003a000 08:03 482466     /lib/libncursesw.so.5.7
b473c000-b473e000 r--p 0003a000 08:03 482466     /lib/libncursesw.so.5.7
b473e000-b473f000 rw-p 0003c000 08:03 482466     /lib/libncursesw.so.5.7
b473f000-b4744000 r-xp 00000000 08:03 35655      /usr/lib/libgdbm.so.3.0.0
b4744000-b4745000 r--p 00004000 08:03 35655      /usr/lib/libgdbm.so.3.0.0
b4745000-b4746000 rw-p 00005000 08:03 35655      /usr/lib/libgdbm.so.3.0.0
b4746000-b4749000 r-xp 00000000 08:03 482430     /lib/libcap.so.2.11
b4749000-b474a000 r--p 00002000 08:03 482430     /lib/libcap.so.2.11
b474a000-b474b000 rw-p 00003000 08:03 482430     /lib/libcap.so.2.11
b474b000-b4760000 r-xp 00000000 08:03 35314      /usr/lib/libICE.so.6.3.0
b4760000-b4761000 rw-p 00014000 08:03 35314      /usr/lib/libICE.so.6.3.0
b4761000-b4763000 rw-p b4761000 00:00 0
b4763000-b476a000 r-xp 00000000 08:03 35345      /usr/lib/libSM.so.6.0.0
b476a000-b476b000 r--p 00006000 08:03 35345      /usr/lib/libSM.so.6.0.0
b476b000-b476c000 rw-p 00007000 08:03 35345      /usr/lib/libSM.so.6.0.0
b476c000-b4773000 r-xp 00000000 08:03 35765      /usr/lib/libgomp.so.1.0.0
b4773000-b4774000 r--p 00006000 08:03 35765      /usr/lib/libgomp.so.1.0.0
b4774000-b4775000 rw-p 00007000 08:03 35765      /usr/lib/libgomp.so.1.0.0
b4775000-b47aa000 r-xp 00000000 08:03 409468
/usr/lib/i686/cmov/libswscale.so.0.11.0
b47aa000-b47ab000 rw-p 00034000 08:03 409468
/usr/lib/i686/cmov/libswscale.so.0.11.0
b47ab000-b47b8000 r-xp 00000000 08:03 410417
/usr/lib/i686/cmov/libavutil.so.49.15.0
b47b8000-b47b9000 r--p 0000c000 08:03 410417
/usr/lib/i686/cmov/libavutil.so.49.15.0
b47b9000-b47ba000 rw-p 0000d000 08:03 410417
/usr/lib/i686/cmov/libavutil.so.49.15.0
b47ba000-b47bd000 rw-p b47ba000 00:00 0
b47bd000-b4872000 r-xp 00000000 08:03 409849
/usr/lib/i686/cmov/libavformat.so.52.37.0
b4872000-b4879000 rw-p 000b5000 08:03 409849
/usr/lib/i686/cmov/libavformat.so.52.37.0
b4879000-b48c5000 rw-p b4879000 00:00 0
b48c5000-b4da2000 r-xp 00000000 08:03 409836
/usr/lib/i686/cmov/libavcodec.so.52.32.0
b4da2000-b4dad000 rw-p 004dc000 08:03 409836
/usr/lib/i686/cmov/libavcodec.so.52.32.0
b4dad000-b51cf000 rw-p b4dad000 00:00 0
b51cf000-b52da000 r-xp 00000000 08:03 36599      /usr/lib/libcxcore.so.1.0.0
b52da000-b52db000 r--p 0010a000 08:03 36599      /usr/lib/libcxcore.so.1.0.0
b52db000-b52e2000 rw-p 0010b000 08:03 36599      /usr/lib/libcxcore.so.1.0.0
b52e2000-b52eb000 rw-p b52e2000 00:00 0
b52eb000-b531b000 r-xp 00000000 08:03 482499     /lib/libpcre.so.3.12.1
b531b000-b531c000 r--p 0002f000 08:03 482499     /lib/libpcre.so.3.12.1
b531c000-b531d000 rw-p 00030000 08:03 482499     /lib/libpcre.so.3.12.1
b531d000-b5326000 r-xp 00000000 08:03 36707      /usr/lib/liba52-0.7.4.so
b5326000-b5327000 rw-p 00008000 08:03 36707      /usr/lib/liba52-0.7.4.so
b5327000-b5328000 rw-p b5327000 00:00 0
b5328000-b5339000 r-xp 00000000 08:03 36284      /usr/lib/libv4lconvert.so.0
b5339000-b533a000 r--p 00010000 08:03 36284      /usr/lib/libv4lconvert.so.0
b533a000-b533b000 rw-p 00011000 08:03 36284      /usr/lib/libv4lconvert.so.0
b533b000-b538b000 rw-p b533b000 00:00 0
b538b000-b5390000 r-xp 00000000 08:03 35785      /usr/lib/libgpm.so.2.0.0
b5390000-b5391000 r--p 00004000 08:03 35785      /usr/lib/libgpm.so.2.0.0
b5391000-b5392000 rw-p 00005000 08:03 35785      /usr/lib/libgpm.so.2.0.0
b5392000-b542d000 r-xp 00000000 08:03 482516     /lib/libslang.so.2.1.3
b542d000-b5430000 r--p 0009a000 08:03 482516     /lib/libslang.so.2.1.3
b5430000-b543d000 rw-p 0009d000 08:03 482516     /lib/libslang.so.2.1.3
b543d000-b5473000 rw-p b543d000 00:00 0
b5473000-b54a2000 r-xp 00000000 08:03 482464     /lib/libncurses.so.5.7
b54a2000-b54a4000 r--p 0002e000 08:03 482464     /lib/libncurses.so.5.7
b54a4000-b54a5000 rw-p 00030000 08:03 482464     /lib/libncurses.so.5.7
b54a5000-b54c1000 r-xp 00000000 08:03 35476      /usr/lib/libcaca.so.0.99.16
b54c1000-b54c2000 r--p 0001b000 08:03 35476      /usr/lib/libcaca.so.0.99.16
b54c2000-b5549000 rw-p 0001c000 08:03 35476      /usr/lib/libcaca.so.0.99.16
b5549000-b554d000 rw-p b5549000 00:00 0
b554d000-b5560000 r-xp 00000000 08:03 35550
/usr/lib/libdirect-1.0.so.0.1.0
b5560000-b5561000 r--p 00012000 08:03 35550
/usr/lib/libdirect-1.0.so.0.1.0
b5561000-b5562000 rw-p 00013000 08:03 35550
/usr/lib/libdirect-1.0.so.0.1.0
b5562000-b5569000 r-xp 00000000 08:03 35632
/usr/lib/libfusion-1.0.so.0.1.0
b5569000-b556a000 r--p 00006000 08:03 35632      /upd_gui: pd process exited
Aborted



-- 
<b>my Linux audio perf config:</b><br>
Dell Studio 15 Core2 Duo 2.0GHz 3G-RAM<br>
Ubuntu 9.04<br>
kernel 2.6.28.19-generic<br>
jackd version 0.116.1 tmpdir /dev/shm protocol 24<br>
Ardour 2.8.2<br>
Pd version 0.41-4extended<br>
USB iMic audio interface<br>
Korg nanoKontrol<br>
cpufreq-set - both cpu's are set to 2.0GHz and userspace<br>

-------------- next part --------------
A non-text attachment was scrubbed...
Name: popen_vs_shell_bug.pd
Type: text/x-puredata
Size: 519 bytes
Desc: not available
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20100628/f3e1c8c3/attachment.bin>


More information about the Pd-list mailing list