From 62ee098758aa41a10767827625d32a871279eec9 Mon Sep 17 00:00:00 2001
From: tarasmadan <89859571+tarasmadan@users.noreply.github.com>
Date: Wed, 6 Oct 2021 20:15:54 +0200
Subject: syz-verifier: fixes the crash of the app run w/o parameters (#2800)

* syz-verifier: fixes the crash of the app run w/o parameters

* syz-verifier: extend command line params description
---
 syz-verifier/main.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'syz-verifier')

diff --git a/syz-verifier/main.go b/syz-verifier/main.go
index 0a047231d..c429fc5a3 100755
--- a/syz-verifier/main.go
+++ b/syz-verifier/main.go
@@ -113,7 +113,7 @@ type runnerProgs map[int]*progInfo
 
 func main() {
 	var cfgs tool.CfgsFlag
-	flag.Var(&cfgs, "configs", "list of kernel-specific comma-sepatated configuration files ")
+	flag.Var(&cfgs, "configs", "[MANDATORY] list of at least two kernel-specific comma-sepatated configuration files")
 	flagDebug := flag.Bool("debug", false, "dump all VM output to console")
 	flagStats := flag.String("stats", "", "where stats will be written when"+
 		"execution of syz-verifier finishes, defaults to stdout")
@@ -136,6 +136,11 @@ func main() {
 		pools[idx] = pi
 	}
 
+	if len(pools) < 2 {
+		flag.Usage()
+		os.Exit(1)
+	}
+
 	cfg := pools[0].cfg
 	workdir, target, sysTarget, addr := cfg.Workdir, cfg.Target, cfg.SysTarget, cfg.RPC
 	for idx := 1; idx < len(pools); idx++ {
-- 
cgit mrf-deployment