Tried to run kernel fuzzing campaign using kretrowrite, but I cannot proceed with the following error.
(retro) ➜ retrowrite git:(master) ✗ ./fuzzing/kernel/fuzz-module.sh ext4
scripts/kconfig/conf --syncconfig Kconfig
...
Added function num_clusters_in_group
...
[*] ext4_destroy_inline_data_nolock needs redzone stack
[*] trace_event_raw_event_ext4_discard_preallocations needs redzone stack
Traceback (most recent call last):
File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/user/retrowrite/rwtools/kasan/asantool.py", line 136, in <module>
instrumenter.do_instrument()
File "/home/user/retrowrite/rwtools/kasan/instrument.py", line 685, in do_instrument
self.instrument_mem_accesses()
File "/home/user/retrowrite/rwtools/kasan/instrument.py", line 382, in instrument_mem_accesses
acsz, instruction, midx, free_registers, is_leaf)
File "/home/user/retrowrite/rwtools/kasan/instrument.py", line 263, in get_mem_instrumentation
assert False, 'Can\'t find displacement in lexp'
AssertionError: Can't find displacement in lexp
I tried to with not only ext4 but also several default kernel modules, but I cannot proceed with the same error.
I would appreciate it if you could tell me how to fix it.
Tried to run kernel fuzzing campaign using kretrowrite, but I cannot proceed with the following error.
I tried to with not only ext4 but also several default kernel modules, but I cannot proceed with the same error. I would appreciate it if you could tell me how to fix it.