scissors plugin stack trace

$ gdb ./i386-softmmu/qemu-system-i386 core
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./i386-softmmu/qemu-system-i386...done.

warning: core file may not match specified executable file.
[New LWP 10174]
[New LWP 10173]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `./i386-softmmu/qemu-system-i386 -panda scissors:start=17401969,end=47488576,nam'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000000004291db17 in ?? ()
(gdb) where
#0  0x000000004291db17 in ?? ()
#1  0x00007f3a117345ce in do_lookup_x (new_hash=0, old_hash=<optimized out>, result=0x7f3a057988e0, scope=<optimized out>, i=<optimized out>, flags=23,
    skip=0x66ba68d8782100, undef_map=0x1c40190 <tcg_ctx+848>) at dl-lookup.c:249
#2  0x00000000006f2a97 in tcg_out_modrm_sib_offset (s=0x7f3ac4e85cb4, s@entry=0x1c3fe40 <tcg_ctx>, opc=<optimized out>, r=r@entry=5, rm=<optimized out>,
    index=index@entry=-1, offset=1, shift=0) at /home/mstamat/panda/qemu/tcg/i386/tcg-target.c:479
#3  0x00000000006f304a in tcg_out_modrm_offset (offset=<optimized out>, rm=<optimized out>, r=5, opc=<optimized out>, s=0x1c3fe40 <tcg_ctx>)
    at /home/mstamat/panda/qemu/tcg/i386/tcg-target.c:509
#4  tcg_out_st (arg2=<optimized out>, arg1=<optimized out>, arg=TCG_REG_EBP, type=<optimized out>, s=0x1c3fe40 <tcg_ctx>)
    at /home/mstamat/panda/qemu/tcg/i386/tcg-target.c:584
#5  temp_save (s=0x1c3fe40 <tcg_ctx>, temp=11, allocated_regs=<optimized out>) at /home/mstamat/panda/qemu/tcg/tcg.c:1565
#6  0x0066ba68d8782100 in ?? ()
#7  0x0000000000000004 in ?? ()
#8  0x00000000006f2340 in tcg_out_branch (s=0x1c3fe40 <tcg_ctx>, call=16400, dest=<optimized out>) at /home/mstamat/panda/qemu/tcg/i386/tcg-target.c:966
#9  0x00000000006f6099 in tcg_out_jmp (dest=<optimized out>, s=0x1c3fe40 <tcg_ctx>) at /home/mstamat/panda/qemu/tcg/i386/tcg-target.c:982
#10 tcg_out_op (const_args=0x7f3a05798980, args=0x7f3a057989c0, opc=INDEX_op_exit_tb, s=0x1c3fe40 <tcg_ctx>)
    at /home/mstamat/panda/qemu/tcg/i386/tcg-target.c:1501
#11 tcg_reg_alloc_op (s=<optimized out>, def=<optimized out>, opc=<optimized out>, args=<optimized out>, dead_args=<optimized out>)
    at /home/mstamat/panda/qemu/tcg/tcg.c:1846
#12 0x0000000000000000 in ?? ()
(gdb)