#234 hostname from hcs crashes

[oli44]

hello,

following message when banging the hostname object from hcs lib

Patch:

[bang(
|
[hostname]
|
[print]

Debian Etch
pd extended stable 20071224

olivier@puredell:~/puredata$ pd
tk scaling is 1.33333333333
*** glibc detected *** malloc(): memory corruption: 0x082cc980 ***
Pd: signal 6

I can repeat the bug anytime after an update to pd-e stable 20080112

olivier@puredell:~/puredata$ pd
tk scaling is 1.33333333333
*** glibc detected *** malloc(): memory corruption: 0x08284f28 ***
Pd: signal 6

olivier@puredell:~/puredata$ pd
tk scaling is 1.33333333333
*** glibc detected *** malloc(): memory corruption: 0x08287ee8 ***
Pd: signal 6

[Hans-Christoph Steiner]

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Hmm, works for me on Mac OS X/Intel 10.4.11. Time to reboot into Debian...

[IOhannes m zmölnig]

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i can confirm that it crashes on debian lenny ([hostname] is self-compiled; running pd-0.41)

*** glibc detected *** /usr/local/bin/pd: malloc(): memory corruption: 0x08135bb8 ***
======= Backtrace: =========
/lib/i686/cmov/libc.so.6[0xb7d961e6]
/lib/i686/cmov/libc.so.6(__libc_calloc+0xcf)[0xb7d9788f]
/usr/local/bin/pd(getbytes+0x1e)[0x80ada1e]
======= Memory map: ========
08048000-0811a000 r-xp 00000000 08:05 749279 /usr/local/bin/pd
0811a000-0811b000 rw-p 000d2000 08:05 749279 /usr/local/bin/pd
0811b000-08148000 rw-p 0811b000 00:00 0 [heap]
b7c00000-b7c21000 rw-p b7c00000 00:00 0
b7c21000-b7d00000 ---p b7c21000 00:00 0
b7d29000-b7d2a000 rw-p b7d29000 00:00 0
b7d2a000-b7e71000 r-xp 00000000 08:02 499080 /lib/i686/cmov/libc-2.7.so
b7e71000-b7e72000 r--p 00147000 08:02 499080 /lib/i686/cmov/libc-2.7.so
b7e72000-b7e74000 rw-p 00148000 08:02 499080 /lib/i686/cmov/libc-2.7.so
b7e74000-b7e77000 rw-p b7e74000 00:00 0
b7e77000-b7e8b000 r-xp 00000000 08:02 499096 /lib/i686/cmov/libpthread-2.7.so
b7e8b000-b7e8d000 rw-p 00013000 08:02 499096 /lib/i686/cmov/libpthread-2.7.so
b7e8d000-b7e8f000 rw-p b7e8d000 00:00 0
b7e8f000-b7eb2000 r-xp 00000000 08:02 499086 /lib/i686/cmov/libm-2.7.so
b7eb2000-b7eb4000 rw-p 00023000 08:02 499086 /lib/i686/cmov/libm-2.7.so
b7eb4000-b7eb5000 rw-p b7eb4000 00:00 0
b7eb5000-b7eb7000 r-xp 00000000 08:02 499085 /lib/i686/cmov/libdl-2.7.so
b7eb7000-b7eb9000 rw-p 00001000 08:02 499085 /lib/i686/cmov/libdl-2.7.so
b7eb9000-b7f7a000 r-xp 00000000 08:05 440860 /usr/lib/libasound.so.2.0.0
b7f7a000-b7f7f000 rw-p 000c0000 08:05 440860 /usr/lib/libasound.so.2.0.0
b7f90000-b7f9c000 r-xp 00000000 08:02 482917 /lib/libgcc_s.so.1
b7f9c000-b7f9d000 rw-p 0000b000 08:02 482917 /lib/libgcc_s.so.1
b7f9d000-b7f9e000 r-xp 00000000 00:13 46253018 /Net/iem/Benutzer/zmoelnig/src/cvs/pure-data/externals/hcs/uname.pd_linux
b7f9e000-b7f9f000 rw-p 00000000 00:13 46253018 /Net/iem/Benutzer/zmoelnig/src/cvs/pure-data/externals/hcs/uname.pd_linux
b7f9f000-b7fa0000 rw-s 81000000 00:0d 7892 /dev/snd/pcmC0D0p
b7fa0000-b7fa1000 r--s 80000000 00:0d 7892 /dev/snd/pcmC0D0p
b7fa1000-b7fa2000 rw-s 81000000 00:0d 7899 /dev/snd/pcmC0D0c
b7fa2000-b7fa3000 r--s 80000000 00:0d 7899 /dev/snd/pcmC0D0c
b7fa3000-b7fa5000 rw-p b7fa3000 00:00 0
b7fa5000-b7fc1000 r-xp 00000000 08:02 482914 /lib/ld-2.7.so
b7fc1000-b7fc3000 rw-p 0001b000 08:02 482914 /lib/ld-2.7.so
bfd7c000-bfd92000 rw-p bfd7c000 00:00 0 [stack]
ffffe000-fffff000 r-xp 00000000 00:00 0 [vdso]

Program received signal SIGABRT, Aborted.
[Switching to Thread 0xb7d29ad0 (LWP 12156)]
0xffffe410 in __kernel_vsyscall ()

[IOhannes m zmölnig]

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i think i have fixed this in CVS (turned ot to be a missing pointer-dereferencing in the memory-allocation code)

[SourceForge Robot]

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