Comments (2)
The reason why i was catched all these different exceptions here was just to have some statistic at the beginning.
I wanted to know if a hook failed because of a KeyError exception (so the hook implementation was faulty), or if libvmi failed to read the memory, or even if the memory access was not consistent (dump test on ObjectAttributes fields).
This self.stats
was just to give me some visibility after running Nitro.
My idea here would be to replace that code by a generic exception handler, to catch everything.
try:
hook(syscall, self)
except Exception as e:
logging.exception(e)
It's critically important to catch any exception that could be raised while a hook is being processed.
Otherwise we are not ackowledging the kernel and the VM is frozen and has to be killed
from nitro.
Actually we are already catching everything.
I suggest we should remove these specific exception handlers, and just log the exception on the logging output.
from nitro.
Related Issues (20)
- Configuration Format
- Use case planning HOT 3
- Minor mistake in libvmi.py HOT 1
- problem about the nitro/readme.md HOT 2
- Some questions about requirements! HOT 1
- Question about setup test vm. HOT 22
- A question about get syscall argument value. HOT 3
- Invalid Qemu command line argument definitions in domain template HOT 6
- Questions about realization of nitro!
- Improve nitro's performance. HOT 6
- Finding process in kernel mode HOT 5
- process_event() will not necessarly return the right syscall HOT 1
- nitro can hook the function which from user level?
- what's the exactly combination to use nitro? HOT 3
- RuntimeError:Process not found HOT 4
- Why is the name of syscall unknown? HOT 5
- Can Nitro extract the API in windows DLL?
- No module named 'nitro.libvmi'
- RuntimeError: Error: fail to attach to the VM
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from nitro.