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-rw-r--r--extensions/libipt_owner.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/extensions/libipt_owner.c b/extensions/libipt_owner.c
index 73f0ed54..9c92ab2a 100644
--- a/extensions/libipt_owner.c
+++ b/extensions/libipt_owner.c
@@ -128,6 +128,7 @@ parse(int c, char **argv, int invert, unsigned int *flags,
exit_error(PARAMETER_PROBLEM, "OWNER CMD `%s' too long, max %d characters", optarg, sizeof(ownerinfo->comm));
strncpy(ownerinfo->comm, optarg, sizeof(ownerinfo->comm));
+ ownerinfo->comm[sizeof(ownerinfo->comm)-1] = '\0';
if (invert)
ownerinfo->invert |= IPT_OWNER_COMM;