gdb-test1.txt

ICS 课程的Lab2

Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 222222
 
Breakpoint 10, 0x0804929d in stage5 ()
(gdb) s
Single stepping until exit from function stage5,
which has no line number information.
 
Breakpoint 12, 0x08049305 in stage5 ()
(gdb) print /d $esi
$40 = 657
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) run
Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 222211
 
Breakpoint 10, 0x0804929d in stage5 ()
(gdb) s
Single stepping until exit from function stage5,
which has no line number information.
 
Breakpoint 12, 0x08049305 in stage5 ()
(gdb) print /d $esi
$41 = 655
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) run
Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 222211
 
Breakpoint 10, 0x0804929d in stage5 ()
(gdb) s
Single stepping until exit from function stage5,
which has no line number information.
 
Breakpoint 12, 0x08049305 in stage5 ()
(gdb) print /d $esi
$42 = 655
(gdb) print /d $eax
$43 = 615
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) run
Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 333333
 
Breakpoint 10, 0x0804929d in stage5 ()
(gdb) s
Single stepping until exit from function stage5,
which has no line number information.
 
Breakpoint 12, 0x08049305 in stage5 ()
(gdb) print /d $eax
$44 = 656
(gdb) print /d $esi
$45 = 663
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) run
Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 222222
 
Breakpoint 10, 0x0804929d in stage5 ()
(gdb) s
Single stepping until exit from function stage5,
which has no line number information.
 
Breakpoint 12, 0x08049305 in stage5 ()
(gdb) print /d $eax
$46 = 656
(gdb) print /d $esi
$47 = 657
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) run
Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 221222
 
Breakpoint 10, 0x0804929d in stage5 ()
(gdb) s
Single stepping until exit from function stage5,
which has no line number information.
 
Breakpoint 12, 0x08049305 in stage5 ()
(gdb) print /d $esi
$48 = 656
(gdb) print /d $eax
$49 = 656
(gdb) s
Single stepping until exit from function stage5,
which has no line number information.
0x08048880 in main ()
(gdb) s
Single stepping until exit from function main,
which has no line number information.
You successfully passed stage 5.
 
please enter password for stage 6:
Program received signal SIGINT, Interrupt.
0x400e0df4 in read () from /lib/i686/libc.so.6
(gdb) quit
A debugging session is active.
Do you still want to close the debugger?(y or n) y
swpig@linux:~/Documents/ICS> ls
asm.txt~  bomb-d1.txt  bomb-t.txt   handout_lab2.pdf  password.txt~
bomb1191  bomb-d.txt   bomb-t.txt~  password.txt
swpig@linux:~/Documents/ICS> gdb bomb1191
GNU gdb 5.3
Copyright 2002 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 "i586-suse-linux"...
(gdb) break explode
Breakpoint 1 at 0x8048cb6
(gdb) break stage6
Breakpoint 2 at 0x804931e
(gdb) break *0x8049321
Breakpoint 3 at 0x8049321
(gdb) break *0x804934e
Breakpoint 4 at 0x804934e
(gdb) break *0x8049373
Breakpoint 5 at 0x8049373
(gdb) break *0x804937a
Breakpoint 6 at 0x804937a
(gdb) break *0x8049383
Breakpoint 7 at 0x8049383
(gdb) break *0x804938c
Breakpoint 8 at 0x804938c
(gdb) run
Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 221222
You successfully passed stage 5.
 
please enter password for stage 6: 10000000
 
Breakpoint 2, 0x0804931e in stage6 ()
(gdb) x/d ($ebp+0x8)
0xbffff620:     10000000
(gdb) x/d ($ebp+0xc)
0xbffff624:     298582
(gdb) print /d $ebx
$1 = 10000000
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 3, 0x08049321 in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 4, 0x0804934e in stage6 ()
(gdb) print /d $ebx
$2 = 1000000
(gdb) print /d $eax
$3 = 10000000
(gdb) print /d $ecx
$4 = 1717986919
(gdb) print /d $edx
$5 = 1000000
(gdb) print /d $esi
$6 = 0
(gdb) print /d $edi
$7 = 134522656
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 5, 0x08049373 in stage6 ()
(gdb) print /d $edi
$8 = 134531168
(gdb) print /d $esi
$9 = 0
(gdb) print /d $eax
$10 = 1000000
(gdb) print /d $ebx
$11 = 1000000
(gdb) print /d $ecx
$12 = 100000
(gdb) print /d $edx
$13 = 0
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 8, 0x0804938c in stage6 ()
(gdb) print /d $eax
$14 = 0
(gdb) print /d $ebx
$15 = 1000000
(gdb) print /d $ecx
$16 = 100000
(gdb) print /d $edx
$17 = 0
(gdb) print /d $esi
$18 = 0
(gdb) print /d $edi
$19 = 134531168
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
0x08048880 in main ()
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) delete
Delete all breakpoints? (y or n) y
(gdb) list
1       ../sysdeps/i386/elf/start.S: No such file or directory.
        in ../sysdeps/i386/elf/start.S
(gdb) delete
(gdb) break explode
Breakpoint 9 at 0x8048cb6
(gdb) break *0x804934e
Breakpoint 10 at 0x804934e
(gdb) break *0x8049373
Breakpoint 11 at 0x8049373
(gdb) break *0x804937a
Breakpoint 12 at 0x804937a
(gdb) break *0x8049383
Breakpoint 13 at 0x8049383
(gdb) break *0x804938c
Breakpoint 14 at 0x804938c
(gdb) run
Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 221222
You successfully passed stage 5.
 
please enter password for stage 6: 55070287
 
Breakpoint 10, 0x0804934e in stage6 ()
(gdb) print /d $ebx
$20 = 5507028
(gdb) print /d $eax
$21 = 55070280
(gdb) print /d $ecx
$22 = 1717986919
(gdb) print /d $edx
$23 = 5507028
(gdb) print /d $esi
$24 = 7
(gdb) print /d $edi
$25 = 134522656
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 11, 0x08049373 in stage6 ()
(gdb) print /d $edi
$26 = 134531168
(gdb) print /d $eax
$27 = 5507020
(gdb) print /d $ebx
$28 = 5507028
(gdb) print /d $ecx
$29 = 550702
(gdb) print /d $edx
$30 = 8
(gdb) print /d $esi
$31 = 7
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 12, 0x0804937a in stage6 ()
(gdb) print /d $eax
$32 = 5506868
(gdb) print /d $ebx
$33 = 5507028
(gdb) print /d $ecx
$34 = 550702
(gdb) print /d $edx
$35 = 8
(gdb) print /d $esi
$36 = 7
(gdb) print /d $edi
$37 = 134531168
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 14, 0x0804938c in stage6 ()
(gdb) print /d $eax
$38 = 0
(gdb) print /d $al
$39 = Value can't be converted to integer.
(gdb) x/d($al)
Value can't be converted to integer.
(gdb) print /d $al
$40 = Value can't be converted to integer.
(gdb) print /d $al
$41 = Value can't be converted to integer.
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) run
Starting program: /home/swpig/Documents/ICS/bomb1191
please enter password for stage 1: 165124
You successfully passed stage 1.
 
please enter password for stage 2: 16383
You successfully passed stage 2.
 
please enter password for stage 3: 37647
You successfully passed stage 3.
 
please enter password for stage 4: 213909504
You successfully passed stage 4.
 
please enter password for stage 5: 221222
You successfully passed stage 5.
 
please enter password for stage 6: 19840430
 
Breakpoint 10, 0x0804934e in stage6 ()
(gdb) print /d $eax
$42 = 19840430
(gdb) print /d $ebx
$43 = 1984043
(gdb) print /d $ecx
$44 = 1717986919
(gdb) print /d $edx
$45 = 1984043
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 11, 0x08049373 in stage6 ()
(gdb) print /d $eax
$46 = 1984040
(gdb) print /d $ebx
$47 = 1984043
(gdb) print /d $ecx
$48 = 198404
(gdb) print /d $edx
$49 = 3
(gdb) print /d ($edx,$edi,1)
$50 = 1
(gdb) print /d ($esi,$edi,1)
$51 = 1
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 12, 0x0804937a in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 14, 0x0804938c in stage6 ()
(gdb) print /d $eax
$52 = 0
(gdb) print /d $ebx
$53 = 1984043
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) quit
swpig@linux:~/Documents/ICS>