Re: [Crash-utility] fuzzing crash(8)

----- "Adrien Kunysz" <adk(a)redhat.com&gt; wrote: > Adrien Kunysz wrote: > > Actually that patch fixes all the crashes I found with my previous round > > of black box fuzzing on x86_64 (using zzuf if anyone is interested). I > > am currently playing with bunny > > (http://code.google.com/p/bunny-the-fuzzer/) but I am a bit doubtful it > > will find anything useful in any decent amount of time without some > > manual work, oh well CPU time is cheap :) > > I wasn't expecting Bunny to find anything for a few days but it only took > about three hours :) > > If we take the same x86_64 vmcore again: > > 00000000 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 |.ELF............| > 00000010 04 00 3e 00 01 00 00 00 00 00 00 00 00 00 00 00 |..>.............| > 00000020 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |@...............| > 00000030 00 00 00 00 40 00 38 00 03 80 00 00 00 00 00 00 |....@.8.........| > > and mess a bit with byte 0x39: > > 00000000 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 |.ELF............| > 00000010 04 00 3e 00 01 00 00 00 00 00 00 00 00 00 00 00 |..>.............| > 00000020 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |@...............| > 00000030 00 00 00 00 40 00 38 00 03 00 00 00 00 00 00 00 |....@.8.........|