Re: dlil_inject_if_input
Re: dlil_inject_if_input
- Subject: Re: dlil_inject_if_input
- From: Justin Walker <email@hidden>
- Date: Thu, 7 Apr 2005 19:34:48 -0700
On Apr 7, 2005, at 15:54, Carl Smith wrote:
Ok this is driving me crazy, as you probable know from my other
messages
I am filtering packets at the DLIL interface layer, my problem is that
when ever I call dlil_inject_if_input my Mac crashes.
You can, of course, use gdb to figure out where in the code the crash
occurs:
- use 2-machine debugging to catch the varmint in the act;
- if you get a panic, the values printed either in the panic log
or to the screen can be handed to gdb to get a stack trace.
Then, you can track backwards with code in hand to figure out what is
going wrong.
Of course every thing runs fine if I comment out the
dlil_inject_if_input function call and the *m_orig = NULL; line. I have
tried adjusting to where m->m_data points, like m->m_data - 14,
No, 'inject' takes the args as is.
get a crash. The documentation is pretty thin in this area, so any help
or suggestions would greatly be appreciated.
I think you will have to use gdb, or some really creative syslogs.
Yes I have checked to make sure that pHeader and ifb->nfliter_id are
pointer or contain the correct information.
Huh?
Cheers,
Justin
--
Justin C. Walker, Curmudgeon-At-Large
Institute for General Semantics
--------
Some people have a mental horizon of radius zero, and
call it their point of view.
-- David Hilbert
--------
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