Entered (B)oards and entered Board "0Announce", When exiting Board "0Announce", SegFault ("-15860 people online")

SegFault4.log

bbs@debian:~$ gdb attach 1577 -ex cont
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attach: No such file or directory.
Attaching to process 1577
Reading symbols from /home/bbs/bin/bbsd...done.
Reading symbols from /lib/i386-linux-gnu/libcrypt.so.1...Reading symbols from /usr/lib/debug/.build-id/49/4cf7f02e95dc15b3b177414fdf6e546f7c73e2
.debug...done.
done.
Reading symbols from /lib/i386-linux-gnu/libresolv.so.2...Reading symbols from /usr/lib/debug/.build-id/82/1cc403106f2e311db5cde616de0823e7a5b62
3.debug...done.
done.
Reading symbols from /lib/i386-linux-gnu/libdl.so.2...Reading symbols from /usr/lib/debug/.build-id/ba/ed2708d60c4c9cc816de4c67c09453933391ec.de
bug...done.
done.
Reading symbols from /lib/i386-linux-gnu/libc.so.6...Reading symbols from /usr/lib/debug/.build-id/f4/0165cccc8bba7adde205d7d571d3b76cdd56df.deb
ug...done.
done.
Reading symbols from /lib/ld-linux.so.2...Reading symbols from /usr/lib/debug/.build-id/ff/ec6bbdbd2ea33377b06b19a329d32c65df5e6f.debug...done.
done.
0xb77afcd9 in __kernel_vsyscall ()
Continuing.

Program received signal SIGSEGV, Segmentation fault.
__memcpy_sse2_unaligned () at ../sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S:578
578     ../sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: No such file or directory.
(gdb) n
abort_bbs () at bbsd.c:166
166     {
(gdb) n
167       if (bbstate)
(gdb) n
168         u_exit("AXXED");
(gdb) n

Program received signal SIGSEGV, Segmentation fault.
0xb75ecf16 in _IO_vfscanf_internal (s=0xbf59e540, format=0xb76fc208 "%hu%n:%hu%n:%hu%n",
    argptr=0xbf59e618 "F\346Y\277L\346Y\277H\346Y\277L\346Y\277J\346Y\277L\346Y\277\001\b", errp=0x0) at vfscanf.c:279
279     vfscanf.c: No such file or directory.
(gdb) n

Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
(gdb) n
The program is not being run.
(gdb) n
The program is not being run.
(gdb)