filter_events() relies on the value of 0 to remove events that are not applicable, like this one.
UBSAN: Undefined behaviour in arch/x86/events/amd/core.c:132:30 index 9 is out of range for type 'u64 [9]' UBSAN: Undefined behaviour in arch/x86/events/amd/core.c:132:9 load of address ffffffff81c021c8 with insufficient space for an object of type 'const u64' Signed-off-by: Adam Borowski <kilob...@angband.pl> --- arch/x86/events/amd/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c index 86a9bec..5fa1b8e 100644 --- a/arch/x86/events/amd/core.c +++ b/arch/x86/events/amd/core.c @@ -125,6 +125,7 @@ static const u64 amd_perfmon_event_map[] = [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3, [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00d0, /* "Decoder empty" event */ [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x00d1, /* "Dispatch stalls" event */ + [PERF_COUNT_HW_REF_CPU_CYCLES] = 0, }; static u64 amd_pmu_event_map(int hw_event) -- 2.8.1
