Messages in this thread | | | From | Vince Weaver <> | Date | Thu, 18 Aug 2016 10:46:31 -0400 (EDT) | Subject | Re: perf: fuzzer crashes immediately on AMD system |
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On Thu, 18 Aug 2016, Vince Weaver wrote:
> Tried the perf_fuzzer on my A10 fam15h/model13h system with 4.8-rc2 and it > falls over more or less immediately. > > This maps to variable_test_bit() > called by ctx = find_get_context(pmu, task, event); > in kernel/events/core.c:9467 > > It happens quickly enough I can probably track down the exact event that > causes this, if needed.
I have a one line reproducer:
perf stat -a -e amd_nb/config=0x37,config1=0x20/ /bin/ls
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