Introducing the USB Stick of Death

One of the obvious steps that we took to test the reliability of the file system management implemented in ntfs.sys was running a trivial bit-flipping fuzzer to see if we could reproduce any interesting behavior (such as a system crash) with such simple techniques. The first indicator of a possibly serious bug – a Blue Screen of Death – was encountered after roughly 17 hours of fuzzing time on a single laptop, and looked like the following...

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Tomasz Kulig