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-rw-r--r--sys/kern/subr_kdb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/subr_kdb.c b/sys/kern/subr_kdb.c
index 9b48d098060d..086205f41d66 100644
--- a/sys/kern/subr_kdb.c
+++ b/sys/kern/subr_kdb.c
@@ -96,6 +96,8 @@ kdb_sysctl_available(SYSCTL_HANDLER_ARGS)
sz++;
avail = malloc(sz, M_TEMP, M_WAITOK);
p = avail;
+ *p = '\0';
+
SET_FOREACH(iter, kdb_dbbe_set) {
be = *iter;
if (be->dbbe_active == 0) {