$ gdb listplugins GNU gdb (Gentoo 7.4.1 p1) 7.4.1 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/bin/listplugins...done. (gdb) run Starting program: /usr/bin/listplugins warning: Could not load shared library symbols for linux-vdso.so.1. Do you need "set solib-search-path" or "set sysroot"? /usr/lib64/ladspa/delay.so: Simple Delay Line (1043/delay_5s) /usr/lib64/ladspa/sine.so: Sine Oscillator (Freq:audio, Amp:audio) (1044/sine_faaa) Sine Oscillator (Freq:audio, Amp:control) (1045/sine_faac) Sine Oscillator (Freq:control, Amp:audio) (1046/sine_fcaa) Sine Oscillator (Freq:control, Amp:control) (1047/sine_fcac) /usr/lib64/ladspa/noise.so: White Noise Source (1050/noise_white) /usr/lib64/ladspa/caps.so: C* Eq - 10-band equalizer (1773/Eq) C* Eq2x2 - stereo 10-band equalizer (2594/Eq2x2) C* Compress - Mono compressor (1772/Compress) C* Pan - Pan and width (1788/Pan) C* Narrower - Stereo image width reduction (2595/Narrower) C* PreampIII - Tube preamp emulation (1776/PreampIII) C* PreampIV - Tube preamp emulation + tone controls (1777/PreampIV) C* ToneStack - Tone stack emulation (2589/ToneStack) C* ToneStackLT - Tone stack emulation, lattice filter 44.1 (2590/ToneStackLT) C* AmpIII - Tube amp (1786/AmpIII) C* AmpIV - Tube amp + tone controls (1794/AmpIV) C* AmpV - Tube amp (2587/AmpV) C* AmpVTS - Tube amp + Tone stack (2592/AmpVTS) C* CabinetI - Loudspeaker cabinet emulation (1766/CabinetI) C* CabinetII - Refined loudspeaker cabinet emulation (2581/CabinetII) C* Clip - Hard clipper, 8x oversampled (1771/Clip) C* ChorusI - Mono chorus/flanger (1767/ChorusI) C* StereoChorusI - Stereo chorus/flanger (1768/StereoChorusI) C* ChorusII - Mono chorus/flanger modulated by a fractal (2583/ChorusII) C* StereoChorusII - Stereo chorus/flanger modulated by a fractal (2584/StereoChorusII) C* PhaserI - Mono phaser (1775/PhaserI) C* PhaserII - Mono phaser modulated by a Lorenz fractal (2586/PhaserII) C* SweepVFI - Resonant filter swept by a Lorenz fractal (1782/SweepVFI) C* SweepVFII - Resonant filter, f and Q swept by a Lorenz fractal (2582/SweepVFII) C* AutoWah - Resonant envelope-following filter (2593/AutoWah) C* Scape - Stereo delay + Filters (2588/Scape) C* VCOs - Virtual 'analogue' oscillator (1783/VCOs) C* VCOd - Double VCO with detune and hard sync options (1784/VCOd) C* CEO - Chief Executive Oscillator (1770/CEO) C* Sin - Sine wave generator (1781/Sin) C* White - White noise generator (1785/White) C* Lorenz - The sound of a Lorenz attractor (1774/Lorenz) C* Roessler - The sound of a Roessler attractor (1780/Roessler) C* JVRev - Stanford-style reverb from STK (1778/JVRev) C* Plate - Versatile plate reverb (1779/Plate) C* Plate2x2 - Versatile plate reverb, stereo inputs (1795/Plate2x2) C* Click - Metronome (1769/Click) C* Dirac - One-sample impulse generator (2585/Dirac) C* HRTF - Head-related transfer function at elevation 0 (1787/HRTF) /usr/lib64/ladspa/amp.so: Mono Amplifier (1048/amp_mono) Stereo Amplifier (1049/amp_stereo) /usr/lib64/ladspa/filter.so: Simple Low Pass Filter (1041/lpf) Simple High Pass Filter (1042/hpf) *** glibc detected *** /usr/bin/listplugins: double free or corruption (!prev): 0x0000000000611820 *** ======= Backtrace: ========= /lib64/libc.so.6(+0x7b7c6)[0x7ffff78ab7c6] /usr/lib64/ladspa/caps.so(_ZN14DescriptorStubD1Ev+0x70)[0x7ffff6b569d2] /usr/lib64/ladspa/caps.so(_fini+0x37)[0x7ffff6b568e3] /lib64/ld-linux-x86-64.so.2(+0xeacd)[0x7ffff7de9acd] /lib64/libc.so.6(+0x3a711)[0x7ffff786a711] /lib64/libc.so.6(+0x3a795)[0x7ffff786a795] /lib64/libc.so.6(__libc_start_main+0xf4)[0x7ffff7854614] /usr/bin/listplugins[0x4009a9] ======= Memory map: ======== 00400000-00402000 r-xp 00000000 08:01 74138 /usr/bin/listplugins 00601000-00602000 r--p 00001000 08:01 74138 /usr/bin/listplugins 00602000-00603000 rw-p 00002000 08:01 74138 /usr/bin/listplugins 00603000-00624000 rw-p 00000000 00:00 0 [heap] 7ffff6b1b000-7ffff6b70000 r-xp 00000000 08:01 84370 /usr/lib64/ladspa/caps.so 7ffff6b70000-7ffff6d70000 ---p 00055000 08:01 84370 /usr/lib64/ladspa/caps.so 7ffff6d70000-7ffff6d71000 r--p 00055000 08:01 84370 /usr/lib64/ladspa/caps.so 7ffff6d71000-7ffff6e19000 rw-p 00056000 08:01 84370 /usr/lib64/ladspa/caps.so 7ffff6e19000-7ffff6e2e000 r-xp 00000000 08:01 107410 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.6.3/libgcc_s.so.1 7ffff6e2e000-7ffff702e000 ---p 00015000 08:01 107410 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.6.3/libgcc_s.so.1 7ffff702e000-7ffff702f000 r--p 00015000 08:01 107410 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.6.3/libgcc_s.so.1 7ffff702f000-7ffff7030000 rw-p 00016000 08:01 107410 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.6.3/libgcc_s.so.1 7ffff7030000-7ffff7123000 r-xp 00000000 08:01 67670 /lib64/libm-2.15.so 7ffff7123000-7ffff7322000 ---p 000f3000 08:01 67670 /lib64/libm-2.15.so 7ffff7322000-7ffff7323000 r--p 000f2000 08:01 67670 /lib64/libm-2.15.so 7ffff7323000-7ffff7324000 rw-p 000f3000 08:01 67670 /lib64/libm-2.15.so 7ffff7324000-7ffff740d000 r-xp 00000000 08:01 107404 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.6.3/libstdc++.so.6.0.16 7ffff740d000-7ffff760d000 ---p 000e9000 08:01 107404 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.6.3/libstdc++.so.6.0.16 7ffff760d000-7ffff7615000 r--p 000e9000 08:01 107404 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.6.3/libstdc++.so.6.0.16 7ffff7615000-7ffff7617000 rw-p 000f1000 08:01 107404 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.6.3/libstdc++.so.6.0.16 7ffff7617000-7ffff762c000 rw-p 00000000 00:00 0 7ffff7830000-7ffff79cd000 r-xp 00000000 08:01 67676 /lib64/libc-2.15.so 7ffff79cd000-7ffff7bcd000 ---p 0019d000 08:01 67676 /lib64/libc-2.15.so 7ffff7bcd000-7ffff7bd1000 r--p 0019d000 08:01 67676 /lib64/libc-2.15.so 7ffff7bd1000-7ffff7bd3000 rw-p 001a1000 08:01 67676 /lib64/libc-2.15.so 7ffff7bd3000-7ffff7bd7000 rw-p 00000000 00:00 0 7ffff7bd7000-7ffff7bd9000 r-xp 00000000 08:01 66507 /lib64/libdl-2.15.so 7ffff7bd9000-7ffff7dd9000 ---p 00002000 08:01 66507 /lib64/libdl-2.15.so 7ffff7dd9000-7ffff7dda000 r--p 00002000 08:01 66507 /lib64/libdl-2.15.so 7ffff7dda000-7ffff7ddb000 rw-p 00003000 08:01 66507 /lib64/libdl-2.15.so 7ffff7ddb000-7ffff7dfc000 r-xp 00000000 08:01 67673 /lib64/ld-2.15.so 7ffff7fed000-7ffff7ff0000 rw-p 00000000 00:00 0 7ffff7ff8000-7ffff7ffb000 rw-p 00000000 00:00 0 7ffff7ffb000-7ffff7ffc000 r-xp 00000000 00:00 0 [vdso] 7ffff7ffc000-7ffff7ffd000 r--p 00021000 08:01 67673 /lib64/ld-2.15.so 7ffff7ffd000-7ffff7ffe000 rw-p 00022000 08:01 67673 /lib64/ld-2.15.so 7ffff7ffe000-7ffff7fff000 rw-p 00000000 00:00 0 7ffffffde000-7ffffffff000 rw-p 00000000 00:00 0 [stack] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Program received signal SIGABRT, Aborted. 0x00007ffff7867bc5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 64 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) thread apply all bt Thread 1 (process 3307): #0 0x00007ffff7867bc5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #1 0x00007ffff786903b in __GI_abort () at abort.c:91 #2 0x00007ffff78a5a4e in __libc_message (do_abort=2, fmt=0x7ffff7999488 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:198 #3 0x00007ffff78ab7c6 in malloc_printerr (action=3, str=0x7ffff7999598 "double free or corruption (!prev)", ptr=) at malloc.c:5007 #4 0x00007ffff6b569d2 in DescriptorStub::~DescriptorStub (this=0x6116c0, __in_chrg=) at Descriptor.h:62 #5 0x00007ffff6b568e3 in _fini () at interface.cc:132 #6 0x00007ffff7de9acd in _dl_fini () at dl-fini.c:259 #7 0x00007ffff786a711 in __run_exit_handlers (status=0, listp=0x7ffff7bd15a8, run_list_atexit=true) at exit.c:78 #8 0x00007ffff786a795 in __GI_exit (status=) at exit.c:100 #9 0x00007ffff7854614 in __libc_start_main (main=0x400b24
, argc=1, ubp_av=0x7fffffffe3f8, init=, fini=, rtld_fini=, stack_end=0x7fffffffe3e8) at libc-start.c:258 #10 0x00000000004009a9 in _start () (gdb)