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diff --git a/ras-events.c b/ras-events.c
index 6692a31..c7ee801 100644
--- a/ras-events.c
+++ b/ras-events.c
@@ -859,6 +859,17 @@ static int add_event_handler(struct ras_events *ras, struct tep_handle *pevent,
}
do {
+ if (size > 0) {
+ page = realloc(page, page_size + size);
+ if (!page) {
+ rc = -errno;
+ log(TERM, LOG_ERR,
+ "Can't reallocate page to read %s:%s"
+ " format\n", group, event);
+ close(fd);
+ return rc;
+ }
+ }
rc = read(fd, page + size, page_size);
if (rc < 0) {
log(TERM, LOG_ERR, "Can't get arch page size\n");
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