SecurityContextCallableProcessingInterceptor securityContext field should volatile

[lmagyar89]

Summary

Within class org.springframework.security.web.context.request.async.SecurityContextCallableProcessingInterceptor field securityContext should volatile.

Actual Behavior

Above mentioned field is regular field.

Expected Behavior

Since beforeConcurrentHandling method and preProcess method called on different threads to make sure there is no visibility issue volatile modifier should used.

Configuration

Version

All version affected.

Sample

[lmagyar89]

My PR:
#6144