4.14-stable review patch. If anyone has any objections, please let me know.
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From: Adrian Hunter adrian.hunter@intel.com
commit 99cbbe56eb8bede625f410ab62ba34673ffa7d21 upstream.
When the number of queues grows beyond 32, the array of queues is resized but not all members were being copied. Fix by also copying 'tid', 'cpu' and 'set'.
Signed-off-by: Adrian Hunter adrian.hunter@intel.com Cc: Jiri Olsa jolsa@redhat.com Cc: stable@vger.kernel.org Fixes: e502789302a6e ("perf auxtrace: Add helpers for queuing AUX area tracing data") Link: http://lkml.kernel.org/r/20180814084608.6563-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- tools/perf/util/auxtrace.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -197,6 +197,9 @@ static int auxtrace_queues__grow(struct for (i = 0; i < queues->nr_queues; i++) { list_splice_tail(&queues->queue_array[i].head, &queue_array[i].head); + queue_array[i].tid = queues->queue_array[i].tid; + queue_array[i].cpu = queues->queue_array[i].cpu; + queue_array[i].set = queues->queue_array[i].set; queue_array[i].priv = queues->queue_array[i].priv; }