[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [GSoC] GSoC Introduction : Fuzzing Xen hypercall interface
Hi Felix Thanks for your interest in this project. On Sun, Mar 12, 2017 at 09:48:11PM +0100, Felix Ekkehard Schmoll wrote: > Hi, > > I’m interested in the “Fuzzing Xen hypercall interface” project so I > just wanted to introduce myself: > > I’m a third-year undergraduate CS student at Jacobs University in > Bremen, Germany. It’s a rather small university and rather young but > quite successful in the national rankings (*brag*). > > Last semester I spent as part of an exchange program at CMU where I > took the sort of notorious 15-410 Operating Systems course where you > have to implement a kernel from scratch in 6 weeks. There the > professor (amazing guy) mentioned/promoted GSoC quite a couple of > times, and this seems like a really cool project to work on. > > From the course I have quite a substantial amount of experience in C > and ASM on x86, of the GCC toolchain and obviously of kernel > programming. I don’t really have any experience with fuzzing yet, but > I’m sure I’ll figure that out. > > I’d appreciate it if you could point me to some small patches I could > work on to get going (sorry if I missed the link to it). > > Also any other comments are of course welcome. This project is rather challenging given the time scale. As a starter, please install Xen from source and try it out -- you can find instructions on how to install on the wiki. Please also have a look at American Fuzzy Lop (the fuzzer we currently use) and play with it a bit. Then, as a small exercise, please provide patches against xen.git for two tasks: 1. implement a hypercall to get back the domain id of the caller domain; 2. check out gcc 6's -fsanitize-coverage=trace-pc option and build the hypervisor with that enabled -- building with a stub is fine; Please then provide some ideas on how you would approach this project. I know the tasks I described are quite high level so please don't hesitate to ask questions. Note that we don't have to finish all goals listed on the wiki page. Realistically I think if we manage to extract the execution paths from xen within three months and commit that in xen.git that would be rather great progress. Wei. > > Felix _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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