--- psm_utils.c.org	2018-06-20 22:17:32.049890400 +0800
+++ psm_utils.c	2018-06-20 22:20:10.596936992 +0800
@@ -945,7 +945,7 @@ struct psmi_faultinj_spec *psmi_faultinj
 		union psmi_envvar_val env_fi;
 		char fvals_str[128];
 		char fname[128];
-		char fdesc[256];
+		char fdesc[512];
 
 		snprintf(fvals_str, sizeof(fvals_str) - 1, "%d:%d:1", num,
 			 denom);