On Wed, 2008-05-21 at 12:38 +0200, sha0 sha0 wrote:
> Hi,
>
> If radare is being used, and then apply changes with "make install",
> when radare tryes to do a debug_close() a segfault will appear.
>
Thats not a bug, thats normal. this happens with all dynamic libraries,
they are mapped in memory, so any disk change will alter all the running
process with dlopened files.
I dont know if it's exploitable, but is cool :)
I found this 'feature' few days while working with gstreamer pipelines
and reinstalling plugins on top of one of the running ones. Producing
random segmentation faults and exceptions. (maybe putting a
fullbreakpointed library will make the process trap) :)
Did you ever played with this? Looks interesting .. dynamic library code
injection in runtime. ;)
> The cause is this Makefile's line:
>
> -cp -rf src/plug/hack/*.${SHARED_EXT} ${LIBDIR}/radare
I have changed the ABI, so you need to make clean before.
--pancake
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