#0  0xb7798424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb724b776 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = -1220767744
        selftid = 4786
#2  0xb724ebc3 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {3012546680, 3072922741, 3074376740, 3078332416, 3077630088, 5, 3012546704, 3078254882, 3077630528, 3071198112, 1, 5, 0, 3058724192, 0, 3078280336, 3012546676, 3075400444, 3074376740, 3074350676, 16777216, 16777216, 0, 3072471320, 1711276032, 3075399680, 3058724192, 3075399680, 3058724192, 3075402688, 79, 3078280336}}, sa_flags = 0, sa_restorer = 0xb724ea80 <__GI_abort>}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0xb7456905 in ?? ()
No symbol table info available.
#4  0xb6506d60 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)