Re: [Xen-devel] [PATCH v2 02/13] fuzz/x86_emulate: Actually use cpu_regs input

2017-10-04 Thread Jan Beulich
>>> On 25.09.17 at 16:26, wrote: > Commit c07574b reorganized the way fuzzing was done, explicitly > creating a structure that the input data would be copied into. > > Unfortunately, the cpu register state used by the emulator is on the > stack; it's cleared, but data is never copied into it. >

[Xen-devel] [PATCH v2 02/13] fuzz/x86_emulate: Actually use cpu_regs input

2017-09-25 Thread George Dunlap
Commit c07574b reorganized the way fuzzing was done, explicitly creating a structure that the input data would be copied into. Unfortunately, the cpu register state used by the emulator is on the stack; it's cleared, but data is never copied into it. If we're explicitly setting an entirely new cp