#0  0x00007f950909d117 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 18159
        selftid = 18159
#1  0x00007f950909e808 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f95090defd4 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7f95091e8ba8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
        ap = {{gp_offset = 40, fp_offset = 0, overflow_arg_area = 0x7fff61996d20, reg_save_area = 0x7fff61996cb0}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f95090e5b62 in malloc_printerr (ptr=0x7f950b2e04f0, str=0x7f95091e4c66 "corrupted double-linked list", action=1) at malloc.c:4996
        buf = "00007f950b2e04f0"
        cp = <optimized out>
#4  malloc_consolidate (av=av@entry=0x7f9509425760 <main_arena>) at malloc.c:4157
        fb = <optimized out>
        maxfb = 0x7f95094257b0 <main_arena+80>
        p = 0x7f950b2e04f0
        nextp = 0x7f950b2b7870
        unsorted_bin = 0x7f95094257b8 <main_arena+88>
        first_unsorted = <optimized out>
        nextchunk = 0x7f950b2e0730
        size = 576
        nextsize = 640
        prevsize = <optimized out>
        nextinuse = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        __func__ = "malloc_consolidate"
#5  0x00007f95090e75b8 in _int_malloc (av=0x7f9509425760 <main_arena>, bytes=8240) at malloc.c:3423
        nb = 8256
        idx = 107
        bin = <optimized out>
        victim = <optimized out>
        size = <optimized out>
        victim_index = <optimized out>
        remainder = <optimized out>
        remainder_size = <optimized out>
        block = <optimized out>
        bit = <optimized out>
        map = <optimized out>
        fwd = <optimized out>
        bck = <optimized out>
        errstr = 0x0
        __func__ = "_int_malloc"
#6  0x00007f95090e97c0 in __GI___libc_malloc (bytes=8240) at malloc.c:2891
        ar_ptr = 0x7f9509425760 <main_arena>
        victim = 0x6
        __func__ = "__libc_malloc"
#7  0x00007f9509a88e3d in nih_alloc (parent=parent@entry=0x7f950b2f0700, size=size@entry=8192) at alloc.c:158
        ctx = <optimized out>
#8  0x00007f9509a8904a in nih_realloc (ptr=<optimized out>, parent=parent@entry=0x7f950b2f0700, size=size@entry=8192) at alloc.c:202
        ctx = <optimized out>
        first_parent = 0x0
        first_child = 0x0
        __FUNCTION__ = "nih_realloc"
#9  0x00007f9509a8d51e in nih_io_buffer_resize (buffer=0x7f950b2f0700, grow=grow@entry=80) at io.c:315
        new_buf = <optimized out>
        new_len = <optimized out>
        new_size = 8192
        __FUNCTION__ = "nih_io_buffer_resize"
#10 0x00007f9509a8e965 in nih_io_watcher_read (watch=0x7f950b2eca10, io=0x7f950b2fa3b0) at io.c:1079
        message = <optimized out>
        len = 0
#11 nih_io_watcher (io=0x7f950b2fa3b0, watch=0x7f950b2eca10, events=NIH_IO_READ) at io.c:933
        caught_free = 0
        __FUNCTION__ = "nih_io_watcher"
#12 0x00007f9509a8d37a in nih_io_handle_fds (readfds=readfds@entry=0x7fff61997030, writefds=writefds@entry=0x7fff619970b0, exceptfds=exceptfds@entry=0x7fff61997130) at io.c:237
        watch = 0x7f950b2eca10
        events = NIH_IO_READ
        _iter = {prev = 0x7f950b2eca10, next = 0x7f950b2b4b60}
        iter = 0x7f950b2eca10
        __FUNCTION__ = "nih_io_handle_fds"
#13 0x00007f9509a9124b in nih_main_loop () at main.c:586
        timeout = {tv_sec = 0, tv_usec = 972308}
        readfds = {fds_bits = {33554432, 0 <repeats 15 times>}}
        writefds = {fds_bits = {0 <repeats 16 times>}}
        buf = ""
        ret = <optimized out>
        next_timer = 0x7f950b2f2c30
        now = {tv_sec = 16236, tv_nsec = 739481945}
        exceptfds = {fds_bits = {0 <repeats 16 times>}}
        nfds = 26
        __FUNCTION__ = "nih_main_loop"
#14 0x00007f950a2f097a in main (argc=<optimized out>, argv=<optimized out>) at main.c:770
        args = <optimized out>
        ret = <optimized out>
        __FUNCTION__ = "main"