[chuck-dev] weird crash

Philipp Kroos philipp.kroos at gmail.com
Sun Nov 17 23:05:57 EST 2013


Hi guys,

I can reliably crash the VM with the following file if I uncomment the
crashes()-function call.
Sorry for the formatting. The really most weird thing is that the
crash is 'triggered' only if I loop more then 4 times...
Following the file you'll find the output of uname -a and chuck
--version, and the backtrace.
I wasn't sure if I should post here or on the users list, but since
I'm a programmer I decided for this list. So let me
know if you have any ideas that I could try out.

Cheers, Philipp



/* chuck file start */
fun int dontCallMe () {
}

fun int iamOk () {
return 0;
}

fun void crashes () {
for (0 => int j; j < 5; j++) {
dontCallMe ();
1::ms => now;
}
}

fun void crashesNot () {
for (0 => int j; j < 5; j++) {
iamOk ();
1::ms => now;
}
}

fun void thisNeither () {
for (0 => int j; j < 4; j++) {
dontCallMe ();
1::ms => now;
}
}


//crashes ();
crashesNot ();
thisNeither ();

/* chuck file end */


chuck --version:
chuck version: 1.3.2.0 (chimera)
   linux (jack) : 32-bit
   http://chuck.cs.princeton.edu/
   http://chuck.stanford.edu/


uname -a:
Linux vostro 3.11.6-1-ARCH #1 SMP PREEMPT Sat Oct 19 00:29:46 CEST
2013 i686 GNU/Linux



*** Error in `chuck': double free or corruption (!prev): 0x085399f0 ***
======= Backtrace: =========
/usr/lib/libc.so.6(+0x6d6b3)[0xb72946b3]
/usr/lib/libc.so.6(+0x7381a)[0xb729a81a]
/usr/lib/libc.so.6(+0x7445c)[0xb729b45c]
/usr/lib/libstdc++.so.6(_ZdlPv+0x1f)[0xb7515a0f]
/usr/lib/libstdc++.so.6(_ZdaPv+0x1b)[0xb7515a5b]
chuck[0x805d572]
chuck[0x805d759]
chuck[0x805d930]
chuck[0x805b82f]
chuck[0x805ba08]
chuck[0x805bab0]
chuck[0x805085d]
/usr/lib/libc.so.6(__libc_start_main+0xf3)[0xb72409d3]
chuck[0x8052b69]
======= Memory map: ========
08048000-081bc000 r-xp 00000000 08:09 3151140
/home/philipp/Audio/Chuck/ChuckSource/chuck-1.3.2.0/src/chuck
081bc000-081e3000 rw-p 00173000 08:09 3151140
/home/philipp/Audio/Chuck/ChuckSource/chuck-1.3.2.0/src/chuck
081e3000-08226000 rw-p 00000000 00:00 0
083cb000-0855a000 rw-p 00000000 00:00 0          [heap]
b0b00000-b0b21000 rw-p 00000000 00:00 0
b0b21000-b0c00000 ---p 00000000 00:00 0
b0d00000-b0d21000 rw-p 00000000 00:00 0
b0d21000-b0e00000 ---p 00000000 00:00 0
b0e87000-b0e88000 ---p 00000000 00:00 0
b0e88000-b1688000 rw-p 00000000 00:00 0          [stack:9315]
b1688000-b1689000 ---p 00000000 00:00 0
b1689000-b1e89000 rw-p 00000000 00:00 0
b6d00000-b6d21000 rw-p 00000000 00:00 0
b6d21000-b6e00000 ---p 00000000 00:00 0
b6e68000-b6e69000 ---p 00000000 00:00 0
b6e69000-b6ee9000 rw-p 00000000 00:00 0
b6ee9000-b6eea000 ---p 00000000 00:00 0
b6eea000-b6f6a000 rw-p 00000000 00:00 0
b6f6a000-b6f6b000 ---p 00000000 00:00 0
b6f6b000-b6fef000 rw-p 00000000 00:00 0
b6fef000-b6ff5000 r-xp 00000000 08:05 161673     /usr/lib/libogg.so.0.8.1
b6ff5000-b6ff6000 r--p 00005000 08:05 161673     /usr/lib/libogg.so.0.8.1
b6ff6000-b6ff7000 rw-p 00006000 08:05 161673     /usr/lib/libogg.so.0.8.1
b6ff7000-b7021000 r-xp 00000000 08:05 152013     /usr/lib/libvorbis.so.0.4.6
b7021000-b7022000 r--p 00029000 08:05 152013     /usr/lib/libvorbis.so.0.4.6
b7022000-b7023000 rw-p 0002a000 08:05 152013     /usr/lib/libvorbis.so.0.4.6
b7023000-b7189000 r-xp 00000000 08:05 152016     /usr/lib/libvorbisenc.so.2.0.9
b7189000-b719a000 r--p 00165000 08:05 152016     /usr/lib/libvorbisenc.so.2.0.9
b719a000-b719b000 rw-p 00176000 08:05 152016     /usr/lib/libvorbisenc.so.2.0.9
b719b000-b71cf000 r-xp 00000000 08:05 151995     /usr/lib/libFLAC.so.8.3.0
b71cf000-b71d0000 r--p 00034000 08:05 151995     /usr/lib/libFLAC.so.8.3.0
b71d0000-b71d1000 rw-p 00035000 08:05 151995     /usr/lib/libFLAC.so.8.3.0
b71d1000-b721b000 r-xp 00000000 08:05 139847     /usr/lib/libdbus-1.so.3.7.5
b721b000-b721c000 r--p 00049000 08:05 139847     /usr/lib/libdbus-1.so.3.7.5
b721c000-b721d000 rw-p 0004a000 08:05 139847     /usr/lib/libdbus-1.so.3.7.5
b721d000-b721e000 rw-p 00000000 00:00 0
b721e000-b7225000 r-xp 00000000 08:05 133596     /usr/lib/librt-2.18.so
b7225000-b7226000 r--p 00006000 08:05 133596     /usr/lib/librt-2.18.so
b7226000-b7227000 rw-p 00007000 08:05 133596     /usr/lib/librt-2.18.so
b7227000-b73d0000 r-xp 00000000 08:05 132898     /usr/lib/libc-2.18.so
b73d0000-b73d1000 ---p 001a9000 08:05 132898     /usr/lib/libc-2.18.so
b73d1000-b73d3000 r--p 001a9000 08:05 132898     /usr/lib/libc-2.18.so
b73d3000-b73d4000 rw-p 001ab000 08:05 132898     /usr/lib/libc-2.18.so
b73d4000-b73d7000 rw-p 00000000 00:00 0
b73d7000-b73f2000 r-xp 00000000 08:05 133144     /usr/lib/libgcc_s.so.1
b73f2000-b73f3000 rw-p 0001a000 08:05 133144     /usr/lib/libgcc_s.so.1
b73f3000-b7437000 r-xp 00000000 08:05 132897     /usr/lib/libm-2.18.so
b7437000-b7438000 r--p 00043000 08:05 132897     /usr/lib/libm-2.18.so
b7438000-b7439000 rw-p 00044000 08:05 132897     /usr/lib/libm-2.18.so
b7439000-b7451000 r-xp 00000000 08:05 132847     /usr/lib/libpthread-2.18.so
b7451000-b7452000 r--p 00017000 08:05 132847     /usr/lib/libpthread-2.18.so
b7452000-b7453000 rw-p 00018000 08:05 132847     /usr/lib/libpthread-2.18.so
b7453000-b7456000 rw-p 00000000 00:00 0
b7456000-b74c1000 r-xp 00000000 08:05 152046     /usr/lib/libsndfile.so.1.0.25
b74c1000-b74c3000 r--p 0006a000 08:05 152046     /usr/lib/libsndfile.so.1.0.25
b74c3000-b74c4000 rw-p 0006c000 08:05 152046     /usr/lib/libsndfile.so.1.0.25
b74c4000-b74c8000 rw-p 00000000 00:00 0
b74c8000-b74cb000 r-xp 00000000 08:05 133597     /usr/lib/libdl-2.18.so
b74cb000-b74cc000 r--p 00002000 08:05 133597     /usr/lib/libdl-2.18.so
b74cc000-b74cd000 rw-p 00003000 08:05 133597     /usr/lib/libdl-2.18.so
b74cd000-b75aa000 r-xp 00000000 08:05 133135     /usr/lib/libstdc++.so.6.0.18
b75aa000-b75ae000 r--p 000dc000 08:05 133135     /usr/lib/libstdc++.so.6.0.18
b75ae000-b75af000 rw-p 000e0000 08:05 133135     /usr/lib/libstdc++.so.6.0.18
b75af000-b75b6000 rw-p 00000000 00:00 0
b75b6000-b75fa000 r-xp 00000000 08:05 172795     /usr/lib/libjack.so.0.1.0
b75fa000-b75fc000 r--p 00043000 08:05 172795     /usr/lib/libjack.so.0.1.0
b75fc000-b75fd000 rw-p 00045000 08:05 172795     /usr/lib/libjack.so.0.1.0
b75fd000-b76f1000 r-xp 00000000 08:05 139859     /usr/lib/libasound.so.2.0.0
b76f1000-b76f5000 r--p 000f3000 08:05 139859     /usr/lib/libasound.so.2.0.0
b76f5000-b76f6000 rw-p 000f7000 08:05 139859     /usr/lib/libasound.so.2.0.0
b770d000-b771f000 rw-s 00000000 00:10 17126      /dev/shm/jack-shm-registry
b7721000-b7723000 rw-p 00000000 00:00 0
b7723000-b7724000 r-xp 00000000 00:00 0          [vdso]
b7724000-b7744000 r-xp 00000000 08:05 132873     /usr/lib/ld-2.18.so
b7744000-b7745000 r--p 0001f000 08:05 132873     /usr/lib/ld-2.18.so
b7745000-b7746000 rw-p 00020000 08:05 132873     /usr/lib/ld-2.18.so
bfcd6000-bfcf7000 rw-p 00000000 00:00 0          [stack]
zsh: abort (core dumped)  chuck debug.ck


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