Comments (7)
% r2 -b 32 -d ./keygenme
Process with PID 24742 started...
PID = 24742
io_redirect: ptrace://24742
r_debug_select: 24742 -1
[0x00000200]> e asm.bits=32
[0x00000200]> .!rabin2 -risv keygenme
[0x00000200]> db 0x080485d4 #bp on main
[0x00000200]> dc
trace_pc: cannot get opcode size at 0x0
[R2] Breakpoint recoil at 0x0 = 0
r_debug_select: 24742 0
[0xffffffff]>
from radare2.
Bug is still here, see debugging 32bit elf on 64bit fedora 19 (example file is on http://pof.eslack.org/tmp/IOLI-crackme.tar.gz bin-linux/crackme0x03)
r2 -d ./crackme0x03
Process with PID 25728 started...
PID = 25728
r_debug_select: 25728 25728
-- Use -j in rabin2 to get the information of the binary in JSON format
[0x00000000]> db sym.
sym.__CTOR_LIST__ sym.__DTOR_LIST__
sym.__JCR_LIST__ sym.p.0 sym.completed.1
sym.__do_global_dtors_aux sym.frame_dummy sym.__CTOR_END__
sym.__DTOR_END__ sym.__FRAME_END__ sym.__JCR_END__
sym.__do_global_ctors_aux sym._GLOBAL_OFFSET_TABLE_ sym.__init_array_end
sym.__init_array_start sym._DYNAMIC sym.data_start
sym.__libc_csu_fini sym._start sym._fp_hw
sym._fini sym._IO_stdin_used sym.__data_start
sym.__dso_handle sym.__libc_csu_init sym.test
sym.__i686.get_pc_thunk.bx sym.shift sym.main
sym._init sym.imp.__gmon_start__ sym.imp.__libc_start_main
sym.imp.scanf sym.imp.strlen sym.imp.printf
[0x00000000]> db sym.main
[0x00000000]> dc
[R2] Breakpoint recoil at 0x0 = 0
r_debug_select: 25728 0
[0xffffffff]> dr
eip = 0xffffffff
oeax = 0x00000000
eax = 0x00000000
ebx = 0x00000000
ecx = 0x00000000
edx = 0x00000000
esp = 0x00000000
ebp = 0x00000000
esi = 0x00000000
edi = 0x00000000
eflags = 0x00000000
[0xffffffff]>
from radare2.
$ r2 -b 32 -d ./keygenme
Process with PID 30730 started...
PID = 30730
r_debug_select: 30730 30730
[0xf77030d0]> pD 100
zsh: segmentation fault (core dumped) r2 -b 32 -d ./keygenme
$
from radare2.
damn regressions :(
On 06 May 2014, at 17:07, jvoisin [email protected] wrote:
$ r2 -b 32 -d ./keygenme
Process with PID 30730 started...
PID = 30730
r_debug_select: 30730 30730
[0xf77030d0]> pD 100
zsh: segmentation fault (core dumped) r2 -b 32 -d ./keygenme
$
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from radare2.
I can't reproduce the issue on latest git \o/
from radare2.
Dont worry. I'm sure the bug will appear again sooner or later :p
On 08 Jun 2014, at 03:45, jvoisin [email protected] wrote:
I can't reproduce the issue on latest git \o/
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from radare2.
Then we'll open a new issue :)
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