gdb-test2.txt

ICS 课程的Lab2

swpig@linux:~/Documents/ICS> ls
asm.txt~  bomb-d1.txt  bomb-t.txt   gdb-test.txt      password.txt
bomb1191  bomb-d.txt   bomb-t.txt~  handout_lab2.pdf  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 *0x804934e
Breakpoint 3 at 0x804934e
(gdb) break *0x8049373
Breakpoint 4 at 0x8049373
(gdb) break *0x804937a
Breakpoint 5 at 0x804937a
(gdb) break *0x8049383
Breakpoint 6 at 0x8049383
(gdb) break *0x804938c
Breakpoint 7 at 0x804938c
(gdb) break *0x804932b
Breakpoint 8 at 0x804932b
(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: 25917758
 
Breakpoint 2, 0x0804931e in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 3, 0x0804934e in stage6 ()
(gdb) print /d $ebx
$1 = 2591775
(gdb) print /d $eax
$2 = 25917750
(gdb) print /d $ecx
$3 = 1717986919
(gdb) print /d $edx
$4 = 2591775
(gdb) print /d $esi
$5 = 8
(gdb) print /d $edi
$6 = 134522656
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 4, 0x08049373 in stage6 ()
(gdb) print /d $edx
$7 = 5
(gdb) print /d $esi
$8 = 8
(gdb) print /d $eax
$9 = 2591770
(gdb) print /d $ebx
$10 = 2591775
(gdb) print /d $ecx
$11 = 259177
(gdb) print /d $edi
$12 = 134531168
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 5, 0x0804937a in stage6 ()
(gdb) print /d $al
$13 = Value can't be converted to integer.
(gdb) eax
Undefined command: "eax".  Try "help".
(gdb) print /d $eax
$14 = 2591809
(gdb) print /d ($esi,$edi,1)
$15 = 1
(gdb) print /d $esi
$16 = 8
(gdb) print /d $edi
$17 = 134531168
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 6, 0x08049383 in stage6 ()
(gdb) print /d $ebx
$18 = 259177
(gdb) print /d $eax
$19 = 2591809
(gdb) print /d $ecx
$20 = 259177
(gdb) print /d $edx
$21 = 5
(gdb) print /d $esi
$22 = 5
(gdb) print /d $edi
$23 = 134531168
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 4, 0x08049373 in stage6 ()
(gdb) print /d $eax
$24 = 259170
(gdb) print /d $ebx
$25 = 259177
(gdb) print /d $ecx
$26 = 25917
(gdb) print /d $edx
$27 = 7
(gdb) print /d $esi
$28 = 5
(gdb) print /d $edi
$29 = 134531168
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 5, 0x0804937a in stage6 ()
(gdb) print /d $eax
$30 = 259303
(gdb) print /d $ebx
$31 = 259177
(gdb) print /d $ecx
$32 = 25917
(gdb) print /d $edx
$33 = 7
(gdb) print /d $esi
$34 = 5
(gdb) print /d $edi
$35 = 134531168
(gdb) print /d ($esi,$edi,1)
$36 = 1
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 6, 0x08049383 in stage6 ()
(gdb) print /d $ebx
$37 = 25917
(gdb) print /d $ecx
$38 = 25917
(gdb) print /d $eax
$39 = 259303
(gdb) print /d $edx
$40 = 7
(gdb) print /d $esi
$41 = 7
(gdb) print /d $edi
$42 = 134531168
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 4, 0x08049373 in stage6 ()
(gdb) print /d $eax
$43 = 25910
(gdb) print /d $ebx
$44 = 25917
(gdb) print /d $ecx
$45 = 2591
(gdb) print /d $edx
$46 = 7
(gdb) print /d $esi
$47 = 7
(gdb) print /d $edi
$48 = 134531168
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 8, 0x0804932b in stage6 ()
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) delete
Delete all breakpoints? (y or n) y
(gdb) break explode
Breakpoint 9 at 0x8048cb6
(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: 259177581
 
Breakpoint 9, 0x08048cb6 in explode ()
(gdb) Quit
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
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: 25918858
 
Breakpoint 9, 0x08048cb6 in explode ()
(gdb) Quit
(gdb) break *0x8049373
Breakpoint 10 at 0x8049373
(gdb) break *0x804937a
Breakpoint 11 at 0x804937a
(gdb) break explode
Note: breakpoint 9 also set at pc 0x8048cb6.
Breakpoint 12 at 0x8048cb6
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
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: 12345678
 
Breakpoint 10, 0x08049373 in stage6 ()
(gdb) print $0x804c860
$49 = void
(gdb) print  *0x804c860
$50 = 258393491
(gdb) print /x  *0x804c860
$51 = 0xf66c593
(gdb) print /x  *0x804c863
$52 = 0x8841eb0f
(gdb) print /x  *0x804c864
$53 = 0xe78841eb
(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: 47206253
 
Breakpoint 10, 0x08049373 in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 11, 0x0804937a in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 10, 0x08049373 in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 11, 0x0804937a in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 10, 0x08049373 in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 11, 0x0804937a in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 10, 0x08049373 in stage6 ()
(gdb) c
Continuing.
 
Breakpoint 11, 0x0804937a in stage6 ()
(gdb) c
Continuing.
 
Breakpoint 10, 0x08049373 in stage6 ()
(gdb) s
Single stepping until exit from function stage6,
which has no line number information.
 
Breakpoint 11, 0x0804937a in stage6 ()
(gdb)
Single stepping until exit from function stage6,
which has no line number information.
0x08048880 in main ()
(gdb)
Single stepping until exit from function main,
which has no line number information.
 
Breakpoint 9, 0x08048cb6 in explode ()
(gdb) Quit
(gdb) delete
Delete all breakpoints? (y or n) y
(gdb) break explode
Breakpoint 13 at 0x8048cb6
(gdb) break stage6
Breakpoint 14 at 0x804931e
(gdb) delete
Delete all breakpoints? (y or n) y
(gdb) break explode
Breakpoint 15 at 0x8048cb6
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
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: 47106253
You successfully passed stage 6.
 
 
Program exited with code 042.
(gdb)