系统：Solaris 9 X86, gcc 3.3.2, KBS 2.0 CVS

在批用户注册单时，"是否接受此资料 (Y/N/Q/Del/Skip)? [S]: " 这步时，选
Y,Q,D或S都立刻掉线，若选 N ，则到选择退回申请表时，选0-7中任何一项后
回车，也立刻掉新。

在“系统管理功能表”中，进入某一项管理功能，若输入系统密码错误也立刻掉线。gdb
信息与上面一样的。
如何解决?

gdb信息：

# gdb /export/home0/bbs/bin/bbsd
GNU gdb 6.0
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-pc-solaris2.9"...
(gdb) attach 627
Attaching to program `/export/home0/bbs/bin/bbsd', process 627
Reading symbols from /usr/lib/libnsl.so.1...done.
Loaded symbols for /usr/lib/libnsl.so.1
Reading symbols from /usr/lib/libsocket.so.1...done.
Loaded symbols for /usr/lib/libsocket.so.1
Reading symbols from /usr/local/lib/libz.so.1...done.
Loaded symbols for /usr/local/lib/libz.so.1
Reading symbols from /usr/lib/libpthread.so.1...done.
Loaded symbols for /usr/lib/libpthread.so.1
Reading symbols from /usr/local/lib/libltdl.so.3...done.
Loaded symbols for /usr/local/lib/libltdl.so.3
Reading symbols from /usr/lib/libdl.so.1...done.
Loaded symbols for /usr/lib/libdl.so.1
Reading symbols from /usr/lib/libc.so.1...done.
Loaded symbols for /usr/lib/libc.so.1
Reading symbols from /usr/lib/libmp.so.2...done.
Loaded symbols for /usr/lib/libmp.so.2
Reading symbols from /usr/local/lib/libgcc_s.so.1...done.
Loaded symbols for /usr/local/lib/libgcc_s.so.1
Reading symbols from /usr/lib/libthread.so.1...done.
Loaded symbols for /usr/lib/libthread.so.1
sol-thread active.
Retry #1:
Retry #2:
Retry #3:
Retry #4:
[New LWP    1        ]
[New Thread 1 (LWP 1)]
Symbols already loaded for /usr/lib/libnsl.so.1
Symbols already loaded for /usr/lib/libsocket.so.1
Symbols already loaded for /usr/local/lib/libz.so.1
Symbols already loaded for /usr/lib/libpthread.so.1
Symbols already loaded for /usr/local/lib/libltdl.so.3
Symbols already loaded for /usr/lib/libdl.so.1
Symbols already loaded for /usr/lib/libc.so.1
Symbols already loaded for /usr/lib/libmp.so.2
Symbols already loaded for /usr/local/lib/libgcc_s.so.1
Symbols already loaded for /usr/lib/libthread.so.1
[Switching to Thread 1 (LWP 1)]
0xd118d26d in _poll () from /usr/lib/libc.so.1
(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0xd117f6f4 in strlen () from /usr/lib/libc.so.1
(gdb) bt
#0  0xd117f6f4 in strlen () from /usr/lib/libc.so.1
#1  0xd11b8640 in _doprnt () from /usr/lib/libc.so.1
#2  0xd11bb278 in sprintf () from /usr/lib/libc.so.1
#3  0x080cc393 in showtitle (title=0xd10a38f8 "系统维护选单",
    mid=0x8047860 "KBS测试站") at newmain_single.c:1275
#4  0x080cc75e in docmdtitle (title=0xd10a38f8 "系统维护选单",
    prompt=0x81014fd "目前选择：") at newmain_single.c:1392
#5  0x08087a30 in domenu_screen (dopm=0xd10a0f28,
    cmdprompt=0x81014fd "目前选择：") at comm_lists.c:469
#6  0x080883de in domenu (menu_name=0xd10a20df "M_ADMIN") at comm_lists.c:655
#7  0x080883bf in domenu (menu_name=0x810ef08 "TOPMENU") at comm_lists.c:651
#8  0x080cbe41 in main_bbs (convit=0, argv=0x8047e9c "bbsd:linton")
    at newmain_single.c:1141
#9  0x080c4be9 in bbs_main (argv=0x8047e9c "bbsd:linton") at bbsd_single.c:771
#10 0x080c4db0 in bbs_standalone_main (argv=0x8047e9c "bbsd:linton")
    at bbsd_single.c:914
#11 0x080c4eec in main (argc=3, argv=0x8047dbc) at bbsd_single.c:1009

--------------------------------------------------------------------------

# gdb /export/home0/bbs/bin/bbsd
GNU gdb 6.0
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-pc-solaris2.9"...
(gdb) attach 647
Attaching to program `/export/home0/bbs/bin/bbsd', process 647
Reading symbols from /usr/lib/libnsl.so.1...done.
Loaded symbols for /usr/lib/libnsl.so.1
Reading symbols from /usr/lib/libsocket.so.1...done.
Loaded symbols for /usr/lib/libsocket.so.1
Reading symbols from /usr/local/lib/libz.so.1...done.
Loaded symbols for /usr/local/lib/libz.so.1
Reading symbols from /usr/lib/libpthread.so.1...done.
Loaded symbols for /usr/lib/libpthread.so.1
Reading symbols from /usr/local/lib/libltdl.so.3...done.
Loaded symbols for /usr/local/lib/libltdl.so.3
Reading symbols from /usr/lib/libdl.so.1...done.
Loaded symbols for /usr/lib/libdl.so.1
Reading symbols from /usr/lib/libc.so.1...done.
Loaded symbols for /usr/lib/libc.so.1
Reading symbols from /usr/lib/libmp.so.2...done.
Loaded symbols for /usr/lib/libmp.so.2
Reading symbols from /usr/local/lib/libgcc_s.so.1...done.
Loaded symbols for /usr/local/lib/libgcc_s.so.1
Reading symbols from /usr/lib/libthread.so.1...done.
Loaded symbols for /usr/lib/libthread.so.1
sol-thread active.
Retry #1:
Retry #2:
Retry #3:
Retry #4:
[New LWP    1        ]
[New Thread 1 (LWP 1)]
Symbols already loaded for /usr/lib/libnsl.so.1
Symbols already loaded for /usr/lib/libsocket.so.1
Symbols already loaded for /usr/local/lib/libz.so.1
Symbols already loaded for /usr/lib/libpthread.so.1
Symbols already loaded for /usr/local/lib/libltdl.so.3
Symbols already loaded for /usr/lib/libdl.so.1
Symbols already loaded for /usr/lib/libc.so.1
Symbols already loaded for /usr/lib/libmp.so.2
Symbols already loaded for /usr/local/lib/libgcc_s.so.1
Symbols already loaded for /usr/lib/libthread.so.1
[Switching to Thread 1 (LWP 1)]
0xd118d26d in _poll () from /usr/lib/libc.so.1
(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0xd117f6f4 in strlen () from /usr/lib/libc.so.1
(gdb) bt
#0  0xd117f6f4 in strlen () from /usr/lib/libc.so.1
#1  0xd11b8640 in _doprnt () from /usr/lib/libc.so.1
#2  0xd11bb278 in sprintf () from /usr/lib/libc.so.1
#3  0x080cc393 in showtitle (title=0xd10a38f8 "系统维护选单",
    mid=0x8047860 "KBS测试站") at newmain_single.c:1275
#4  0x080cc75e in docmdtitle (title=0xd10a38f8 "系统维护选单",
    prompt=0x81014fd "目前选择：") at newmain_single.c:1392
#5  0x08087a30 in domenu_screen (dopm=0xd10a0f28,
    cmdprompt=0x81014fd "目前选择：") at comm_lists.c:469
#6  0x080883de in domenu (menu_name=0xd10a20df "M_ADMIN") at comm_lists.c:655
#7  0x080883bf in domenu (menu_name=0x810ef08 "TOPMENU") at comm_lists.c:651
#8  0x080cbe41 in main_bbs (convit=0, argv=0x8047e9c "bbsd:linton")
    at newmain_single.c:1141
#9  0x080c4be9 in bbs_main (argv=0x8047e9c "bbsd:linton") at bbsd_single.c:771
#10 0x080c4db0 in bbs_standalone_main (argv=0x8047e9c "bbsd:linton")
    at bbsd_single.c:914
#11 0x080c4eec in main (argc=3, argv=0x8047dbc) at bbsd_single.c:1009
--
FROM 220.173.136.*