1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index a6006e7bb729..b1be0ac51ce0 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -304,17 +304,20 @@ set_ext_hw_attr(struct hw_perf_event *hwc, struct perf_event *event)
 
         config = attr->config;
 
-        cache_type = (config >>  0) & 0xff;
+        cache_type = (config >> 0) & 0xff;
         if (cache_type >= PERF_COUNT_HW_CACHE_MAX)
                 return -EINVAL;
+        cache_type = array_index_nospec(cache_type, PERF_COUNT_HW_CACHE_MAX);
 
         cache_op = (config >>  8) & 0xff;
         if (cache_op >= PERF_COUNT_HW_CACHE_OP_MAX)
                 return -EINVAL;
+        cache_op = array_index_nospec(cache_op, PERF_COUNT_HW_CACHE_OP_MAX);
 
         cache_result = (config >> 16) & 0xff;
         if (cache_result >= PERF_COUNT_HW_CACHE_RESULT_MAX)
                 return -EINVAL;
+        cache_result = array_index_nospec(cache_result, PERF_COUNT_HW_CACHE_RESULT_MAX);
 
         val = hw_cache_event_ids[cache_type][cache_op][cache_result];