json escaping fix

diff --git a/src/common/escape.c b/src/common/escape.c
index 95a7540ffcdfa5363ea4ad706054f13969ae05ee..585961e02a101fd37f84cb12389eeefc91313702 100644 (file)
--- a/src/common/escape.c
+++ b/src/common/escape.c
@@ -185,7 +185,7 @@ void escape_json_attr(const char *buf, char *out)
                default:
                        // Escape control characters.
                        if ((c < 0x20) || (c == 0x7f)) {
-                               snprintf(o, 6, "\\u%04x", c);
+                               snprintf(o, 7, "\\u%04x", c);
                                o += 6;
                        }
                        else {