Qualcomm Adreno GPU driver "perfcounter query" heap overflow: https://code.google.com/p/google-security-research/issues/detail?id=734 …
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@banty0ne
@djrbliss Personally I wouldn't rule it out, just based on what we've seen in the past, but it needs more research. -
@benhawkes @banty0ne@djrbliss Definitely wouldn't rule it out - with an SMP kernel you can have another proc concurrently which shapes(1/3) - 2 more replies
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@benhawkes @banty0ne Agreed, userland is a whole different ballgame. I'd be skeptical this is even possible in kernel space.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@benhawkes @banty0ne@djrbliss the kernel is preemptible, so it might work to do the overflow with SCHED_IDLE, then preempt with normal prio -
@benhawkes @banty0ne@djrbliss hog n-1 cores, do the overflow, hog the last core?
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