Re: [Pyobjc-dev] PyObjC code injection on Leopard

[Ronald O. <ron...@ma...>]

 
On Tuesday, November 13, 2007, at 08:53AM, "Luc Heinrich" <lu...@ho...> wrote:
>On 13 nov. 07, at 00:24, Bill Bumgarner wrote:
>
>> The injecting process will, at the least, need to be in a  
>> particular group/user (that I can't remember right now).   Try  
>> injecting as root and see if it works (as root can do all).

The group was 'procmod' on Tiger/x86, I'd guess it is the same on Leopard.

>
>Trying to inject as root causes a segfault, so at least something is  
>happening... :)

objc.inject isn't tested automaticly and not something I use very often (basicly only
at demo's), hence it can break without me noticing that. Yet another item for my
todo list :-(

Ronald

>
>Process:         Python [6466]
>Path:            /System/Library/Frameworks/Python.framework/Versions/ 
>2.5/Resources/Python.app/Contents/MacOS/Python
>Identifier:      Python
>Version:         ??? (???)
>Code Type:       PPC (Native)
>Parent Process:  bash [6445]
>
>Date/Time:       2007-11-13 08:47:39.189 +0100
>OS Version:      Mac OS X 10.5 (9A581)
>Report Version:  6
>
>Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
>Exception Codes: KERN_INVALID_ADDRESS at 0x00000000ffffffff
>Crashed Thread:  0
>
>Thread 0 Crashed:
>0   _objc.so                      	0x0028f9c0 machImageForPointer + 280
>1   _objc.so                      	0x0028fb08 mach_inject + 60
>2   _objc.so                      	0x0029b0c4 objc_inject + 1116
>3   _objc.so                      	0x0029499c  
>PyObjCMethodSignature_AsDict + 8940
>4   org.python.python             	0x00143f68 PyObject_Call + 48
>5   org.python.python             	0x001c72bc PyEval_EvalFrameEx + 18200
>6   org.python.python             	0x001c8a34 PyEval_EvalCodeEx + 2048
>7   org.python.python             	0x001c6cc4 PyEval_EvalFrameEx + 16672
>8   org.python.python             	0x001c8a34 PyEval_EvalCodeEx + 2048
>9   org.python.python             	0x001c8b54 PyEval_EvalCode + 44
>10  org.python.python             	0x001e3554 PyErr_Display + 2100
>11  org.python.python             	0x001e3c98 PyRun_FileExFlags + 148
>12  org.python.python             	0x001e5868 PyRun_SimpleFileExFlags  
>+ 424
>13  org.python.python             	0x001f2374 Py_Main + 2808
>14  org.python.pythonapp          	0x00001f84 0x1000 + 3972
>
>Thread 0 crashed with PPC Thread State 32:
>   srr0: 0x0028f9c0  srr1: 0x0200f030   dar: 0xffffffff dsisr:  
>0x40000000
>     r0: 0x0028f9bc    r1: 0xbffff160    r2: 0xa046f540    r3:  
>0xffffffff
>     r4: 0x0009efec    r5: 0x00000001    r6: 0x00000000    r7:  
>0x00000003
>     r8: 0x00000000    r9: 0x00000000   r10: 0x8fe0396c   r11:  
>0xa0436898
>    r12: 0x91f21cdc   r13: 0x00000171   r14: 0x00021c94   r15:  
>0x0056dedc
>    r16: 0x0057c37c   r17: 0x002bac7c   r18: 0x002bac7c   r19:  
>0x0000008c
>    r20: 0xbffff268   r21: 0xbffff26c   r22: 0xbffff274   r23:  
>0xcafebabe
>    r24: 0xbffff270   r25: 0x00276000   r26: 0x0000005b   r27:  
>0x0029a6bc
>    r28: 0x00000003   r29: 0x0009efec   r30: 0xffffffff   r31:  
>0x0028f8bc
>     cr: 0x84442448   xer: 0x00000004    lr: 0x0028f9bc   ctr:  
>0x91f21cdc
>vrsave: 0x00000000
>
>...
>...
>
>-- 
>Luc Heinrich
>
>
>
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