debian:~/Desktop/wtfkb$  ./wtfkb
WTFKB_GROUP is unset for the window, or the window does not exist any more. Returning current
window switch from 8388611(group 1) to 12582913(group 1)
window switch from 12582913(group 1) to 8388611(group 1)
window switch from 8388611(group 1) to 12582913(group 1)
An XError occurred: perhaps some window or atom does not exist, ignoring.
window switch from 12582913(group 0) to 0(group 166313816)
An XError occurred: perhaps some window or atom does not exist, ignoring.
*** glibc detected *** ./wtfkb: double free or corruption (fasttop): 0x09e8f9a0 ***
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6e3e1)[0xb74c53e1]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6fc48)[0xb74c6c48]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(cfree+0x6d)[0xb74c9cfd]
/usr/lib/i386-linux-gnu/libxcb.so.1(+0xa87d)[0xb743887d]
======= Memory map: ========
08048000-0804a000 r-xp 00000000 08:02 918830     /home/zen/Desktop/wtfkb/wtfkb
0804a000-0804b000 rw-p 00001000 08:02 918830     /home/zen/Desktop/wtfkb/wtfkb
09e8f000-09eb0000 rw-p 00000000 00:00 0          [heap]
b72e3000-b72ff000 r-xp 00000000 08:01 919774     /lib/i386-linux-gnu/libgcc_s.so.1
b72ff000-b7300000 rw-p 0001b000 08:01 919774     /lib/i386-linux-gnu/libgcc_s.so.1
b7300000-b7321000 rw-p 00000000 00:00 0
b7321000-b7400000 ---p 00000000 00:00 0
b741f000-b7420000 rw-p 00000000 00:00 0
b7420000-b7425000 r-xp 00000000 08:01 788954     /usr/lib/i386-linux-gnu/libXdmcp.so.6.0.0
b7425000-b7426000 rw-p 00004000 08:01 788954     /usr/lib/i386-linux-gnu/libXdmcp.so.6.0.0
b7426000-b7428000 r-xp 00000000 08:01 790981     /usr/lib/i386-linux-gnu/libXau.so.6.0.0
b7428000-b7429000 rw-p 00001000 08:01 790981     /usr/lib/i386-linux-gnu/libXau.so.6.0.0
b7429000-b742b000 r-xp 00000000 08:01 923257     /lib/i386-linux-gnu/i686/cmov/libdl-2.13.so
b742b000-b742c000 r--p 00001000 08:01 923257     /lib/i386-linux-gnu/i686/cmov/libdl-2.13.so
b742c000-b742d000 rw-p 00002000 08:01 923257     /lib/i386-linux-gnu/i686/cmov/libdl-2.13.so
b742d000-b742e000 rw-p 00000000 00:00 0
b742e000-b744f000 r-xp 00000000 08:01 788040     /usr/lib/i386-linux-gnu/libxcb.so.1.1.0
b744f000-b7450000 r--p 00020000 08:01 788040     /usr/lib/i386-linux-gnu/libxcb.so.1.1.0
b7450000-b7451000 rw-p 00021000 08:01 788040     /usr/lib/i386-linux-gnu/libxcb.so.1.1.0
b7451000-b7455000 r-xp 00000000 08:01 918221     /lib/i386-linux-gnu/libuuid.so.1.3.0
b7455000-b7456000 r--p 00003000 08:01 918221     /lib/i386-linux-gnu/libuuid.so.1.3.0
b7456000-b7457000 rw-p 00004000 08:01 918221     /lib/i386-linux-gnu/libuuid.so.1.3.0
b7457000-b75ad000 r-xp 00000000 08:01 927462     /lib/i386-linux-gnu/i686/cmov/libc-2.13.so
b75ad000-b75ae000 ---p 00156000 08:01 927462     /lib/i386-linux-gnu/i686/cmov/libc-2.13.so
b75ae000-b75b0000 r--p 00156000 08:01 927462     /lib/i386-linux-gnu/i686/cmov/libc-2.13.so
b75b0000-b75b1000 rw-p 00158000 08:01 927462     /lib/i386-linux-gnu/i686/cmov/libc-2.13.so
b75b1000-b75b4000 rw-p 00000000 00:00 0
b75b4000-b75c5000 r-xp 00000000 08:01 790935     /usr/lib/i386-linux-gnu/libXext.so.6.4.0
b75c5000-b75c6000 rw-p 00010000 08:01 790935     /usr/lib/i386-linux-gnu/libXext.so.6.4.0
b75c6000-b76fb000 r-xp 00000000 08:01 790175     /usr/lib/i386-linux-gnu/libX11.so.6.3.0
b76fb000-b76ff000 rw-p 00134000 08:01 790175     /usr/lib/i386-linux-gnu/libX11.so.6.3.0
b76ff000-b7700000 rw-p 00000000 00:00 0
b7700000-b7716000 r-xp 00000000 08:01 790483     /usr/lib/i386-linux-gnu/libICE.so.6.3.0
b7716000-b7718000 rw-p 00015000 08:01 790483     /usr/lib/i386-linux-gnu/libICE.so.6.3.0
b7718000-b7719000 rw-p 00000000 00:00 0
b7719000-b7720000 r-xp 00000000 08:01 790469     /usr/lib/i386-linux-gnu/libSM.so.6.0.1
b7720000-b7721000 rw-p 00006000 08:01 790469     /usr/lib/i386-linux-gnu/libSM.so.6.0.1
b773a000-b773d000 rw-p 00000000 00:00 0
b773d000-b773e000 r-xp 00000000 00:00 0          [vdso]
b773e000-b7759000 r-xp 00000000 08:01 927373     /lib/i386-linux-gnu/ld-2.13.so
b7759000-b775a000 r--p 0001b000 08:01 927373     /lib/i386-linux-gnu/ld-2.13.so
b775a000-b775b000 rw-p 0001c000 08:01 927373     /lib/i386-linux-gnu/ld-2.13.so
bfe15000-bfe36000 rw-p 00000000 00:00 0          [stack]
Аварийный останов