We malloc'd cpu_map, and then did:
cpu_map[CPU_IDX(cpu)] |= (1UL << CPU_BIT(cpu));
... not sure how that ever worked if cpu_map was not initialized!
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
diff --git a/blkparse.c b/blkparse.c
index 169d491..96ad666 100644
--- a/blkparse.c
+++ b/blkparse.c
@@ -1962,6 +1962,7 @@ static int check_cpu_map(struct per_dev_info *pdi)
* create a map of the cpus we have traces for
*/
cpu_map = malloc(pdi->cpu_map_max / sizeof(long));
+ memset(cpu_map, 0, sizeof(*cpu_map));
n = rb_first(&rb_sort_root);
while (n) {
__t = rb_entry(n, struct trace, rb_node);
--
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