Thread 1 (process 22509):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 93824994843952, 93824994775376, 140737346020832, 140737415839744, 93824994843952, 93824994843952, 93824994843952, 93824994843952, 93824994844034, 93824994844052, 93824994843952, 93824994844052, 0, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007ffff77fa801 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x5555557d1d30, sa_sigaction = 0x5555557d1d30}, sa_mask = {__val = {0, 140737349573696, 0, 0, 0, 140737488344072, 0, 140737488343904, 140737347277264, 21474836480, 140737347262424, 0, 3348048073938298624, 140737347247380, 0, 140737347262424}}, sa_flags = -141109203, sa_restorer = 0x7ffff7971578}
        sigs = {__val = {32, 0 <repeats 15 times>}}
        __cnt = <optimized out>
        __set = <optimized out>
        __cnt = <optimized out>
        __set = <optimized out>
#2  0x00007ffff77ea39a in __assert_fail_base (fmt=0x7ffff79717d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7ffff7971578 "outbuf != NULL && *outbuf != NULL", file=file@entry=0x7ffff796d82d "gconv.c", line=line@entry=73, function=function@entry=0x7ffff79715a0 <__PRETTY_FUNCTION__.8896> "__gconv") at assert.c:92
        str = 0x5555557d1d30 ""
        total = 4096
#3  0x00007ffff77ea412 in __GI___assert_fail (assertion=assertion@entry=0x7ffff7971578 "outbuf != NULL && *outbuf != NULL", file=file@entry=0x7ffff796d82d "gconv.c", line=line@entry=73, function=function@entry=0x7ffff79715a0 <__PRETTY_FUNCTION__.8896> "__gconv") at assert.c:101
No locals.
#4  0x00007ffff77dcc75 in __gconv (cd=0x5555557c1150, inbuf=inbuf@entry=0x55555579f1e0 <inptr>, inbufend=0x5555557c0558 "File: example.info,  Node: Top,  Next: First Chapter,  Up: (dir)\n\nGNU Sample\n**********\n\nThis manual is for GNU Sample (version 1.0, 01 January 1970).\n\n* Menu:\n\n* First Chapter::    The first chapter "..., outbuf=outbuf@entry=0x7fffffffd590, outbufend=<optimized out>, irreversible=irreversible@entry=0x7fffffffd530) at gconv.c:73
        last_start = <optimized out>
        last_step = 1
        result = <optimized out>
        __PRETTY_FUNCTION__ = "__gconv"
        fct = 0x7ffff77e22f0 <__gconv_transform_utf8_internal>
#5  0x00007ffff77dc3e6 in iconv (cd=<optimized out>, inbuf=inbuf@entry=0x55555579f1e0 <inptr>, inbytesleft=inbytesleft@entry=0x7fffffffd5f0, outbuf=outbuf@entry=0x7fffffffd590, outbytesleft=outbytesleft@entry=0x7fffffffd588) at iconv.c:52
        instart = 0x5555557c0558 "File: example.info,  Node: Top,  Next: First Chapter,  Up: (dir)\n\nGNU Sample\n**********\n\nThis manual is for GNU Sample (version 1.0, 01 January 1970).\n\n* Menu:\n\n* First Chapter::    The first chapter "...
        gcd = <optimized out>
        outstart = <optimized out>
        irreversible = <optimized out>
        result = <optimized out>
        __PRETTY_FUNCTION__ = "iconv"
#6  0x0000555555565c0b in text_buffer_iconv (buf=buf@entry=0x55555579feb0 <output_buf>, iconv_state=<optimized out>, inbuf=inbuf@entry=0x55555579f1e0 <inptr>, inbytesleft=inbytesleft@entry=0x7fffffffd5f0) at info-utils.c:1957
        out_bytes_left = 0
        outptr = 0x0
        iconv_ret = <optimized out>
#7  0x0000555555565ebc in copy_converting (n=0) at info-utils.c:838
        utf8_char_ptr = 0x5555557c1048 "p\022}UUU"
        orig_bytes_left = <optimized out>
        extra_at_end = 0
        output_start = 0
        utf8_char = "UU\000"
        orig_inptr = <optimized out>
        bytes_left = 0
        iconv_ret = <optimized out>
        utf8_char_free = 140737488344768
        i = 93824994773712
        bytes_left = <optimized out>
        orig_bytes_left = <optimized out>
        extra_at_end = <optimized out>
        iconv_ret = <optimized out>
        output_start = <optimized out>
        utf8_char_free = <optimized out>
        utf8_char = <optimized out>
        utf8_char_ptr = <optimized out>
        orig_inptr = <optimized out>
        i = <optimized out>
#8  copy_input_to_output (n=n@entry=151) at info-utils.c:1012
        bytes_to_convert = 0
        extra_written = <optimized out>
        bytes_left = <optimized out>
#9  0x0000555555566c1b in copy_input_to_output (n=151) at info-utils.c:1660
        bytes_left = <optimized out>
        bytes_to_convert = <optimized out>
        extra_written = <optimized out>
        first_anchor = <optimized out>
#10 scan_node_contents (node=node@entry=0x5555557c1000, fb=fb@entry=0x5555557c08d0, tag_ptr=tag_ptr@entry=0x5555557c0ad0) at info-utils.c:1660
        in_parentheses = 0
        entry = <optimized out>
        in_menu = 0
        match = <optimized out>
        refs = 0x5555557d1250
        refs_index = 0
        refs_slots = 1
        in_index = 0
#11 0x000055555556e3ee in info_node_of_tag_ext (fb=0x5555557c08d0, tag_ptr=0x5555557c0ad0, fast=<optimized out>) at nodes.c:1284
        tag = 0x5555557c0a30
        node = 0x5555557c1000
        is_anchor = 0
        anchor_tag = <optimized out>
        node_pos = <optimized out>
        anchor_pos = <optimized out>
        parent = 0x5555557c08d0
        subfile = 0x5555557c08d0
#12 0x000055555556e725 in info_get_node_with_defaults (filename_in=<optimized out>, nodename_in=nodename_in@entry=0x5555557bd620 "Top", defaults=<optimized out>) at nodes.c:991
        node = 0x0
        file_buffer = 0x5555557c08d0
        filename = 0x5555557a5930 "././bug_sigabrt.info"
        nodename = 0x5555557bff30 "Top"
#13 0x0000555555573e1c in info_select_reference (window=window@entry=0x5555557bdcd0, entry=<optimized out>) at session.c:2063
        node = <optimized out>
        file_system_error = 0x0
        filename = <optimized out>
        nodename = 0x5555557bd620 "Top"
        label = 0x0
        line_number = 0
#14 0x0000555555578171 in begin_multiple_window_info_session (error=<optimized out>, references=<optimized out>) at session.c:123
        i = <optimized out>
        window = 0x5555557bdcd0
        i = <optimized out>
        window = <optimized out>
        win = <optimized out>
        largest = <optimized out>
        max_height = <optimized out>
#15 info_session (ref_list=<optimized out>, user_filename=0x0, error=<optimized out>) at session.c:211
No locals.
#16 0x000055555555c76f in main (argc=<optimized out>, argv=<optimized out>) at info.c:1079
        getopt_long_index = -9960
        init_file = <optimized out>
        error = 0x0
quit