Reading symbols from shared object read from target memory...(no debugging symbols found)...done.
Loaded system supplied DSO at 0xc16000
(no debugging symbols found)
(no debugging symbols found)
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[Thread debugging using libthread_db enabled]
[New Thread -1208580416 (LWP 24261)]
(no debugging symbols found)
(no debugging symbols found)
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Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208580416 (LWP 24261)]
0x00673d6e in vfprintf () from /lib/libc.so.6
(gdb) bt
#0 0x00673d6e in vfprintf () from /lib/libc.so.6
#1 0x00716ed1 in __vsprintf_chk () from /lib/libc.so.6
#2 0x00716e24 in __sprintf_chk () from /lib/libc.so.6
#3 0x0816cfd6 in _convert_to_string ()
#4 0x08172f8c in zend_make_printable_zval ()
#5 0x0816f8bc in concat_function ()
#6 0x081978d1 in zend_concat_handler ()
#7 0x08191d37 in execute ()
#8 0x08193d95 in zend_do_fcall_common_helper ()
#9 0x081a1f92 in zend_do_fcall_handler ()
#10 0x08191d37 in execute ()
#11 0x08193d95 in zend_do_fcall_common_helper ()
#12 0x08191d37 in execute ()
#13 0x08193d95 in zend_do_fcall_common_helper ()
#14 0x081a1f92 in zend_do_fcall_handler ()
#15 0x08191d37 in execute ()
#16 0x08193d95 in zend_do_fcall_common_helper ()
#17 0x08191d37 in execute ()
#18 0x08193d95 in zend_do_fcall_common_helper ()
#19 0x081a1f92 in zend_do_fcall_handler ()
#20 0x08191d37 in execute ()
#21 0x08193d95 in zend_do_fcall_common_helper ()
#22 0x08191d37 in execute ()
#23 0x08193d95 in zend_do_fcall_common_helper ()
#24 0x081a1f92 in zend_do_fcall_handler ()
#25 0x08191d37 in execute ()
#26 0x08193d95 in zend_do_fcall_common_helper ()
#27 0x08191d37 in execute ()
#28 0x08193d95 in zend_do_fcall_common_helper ()
#29 0x081a1f92 in zend_do_fcall_handler ()
#30 0x08191d37 in execute ()
#31 0x08193d95 in zend_do_fcall_common_helper ()
#32 0x08191d37 in execute ()
#33 0x08193d95 in zend_do_fcall_common_helper ()
#34 0x081a1f92 in zend_do_fcall_handler ()
#35 0x08191d37 in execute ()
#36 0x08193d95 in zend_do_fcall_common_helper ()
#37 0x08191d37 in execute ()
#38 0x08193d95 in zend_do_fcall_common_helper ()
#39 0x081a1f92 in zend_do_fcall_handler ()
#40 0x08191d37 in execute ()
#41 0x08193d95 in zend_do_fcall_common_helper ()
#42 0x08191d37 in execute ()
#43 0x08193d95 in zend_do_fcall_common_helper ()
#44 0x081a1f92 in zend_do_fcall_handler ()
#45 0x08191d37 in execute ()
#46 0x08193d95 in zend_do_fcall_common_helper ()
#47 0x08191d37 in execute ()
#48 0x08193d95 in zend_do_fcall_common_helper ()
#49 0x081a1f92 in zend_do_fcall_handler ()
#50 0x08191d37 in execute ()
#51 0x08193d95 in zend_do_fcall_common_helper ()
#52 0x08191d37 in execute ()
#53 0x08193d95 in zend_do_fcall_common_helper ()
#54 0x081a1f92 in zend_do_fcall_handler ()
#55 0x08191d37 in execute ()
#56 0x08193d95 in zend_do_fcall_common_helper ()
#57 0x08191d37 in execute ()