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
While doing MegaRAID SAS controller command frame lookup, routine 'megasas_lookup_frame' uses 'read_queue_head' value as an index into 'frames[MEGASAS_MAX_FRAMES=2048]' array. Limit its value within array bounds to avoid any OOB access. Reported-by: Li Qiang <liqiang6-s@360.cn> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Message-Id: <1464179110-18593-1-git-send-email-ppandit@redhat.com> Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>