pkg/mgrconfig: add a value to the json config file

Add a configureable value for the maximum number of logs stored per
crash to the json config format.

syz-manager: use the new config value

2 files changed, 10 insertions, 6 deletions

diff --git a/pkg/mgrconfig/config.go b/pkg/mgrconfig/config.go
index e18607e7f..e4bfc46f8 100644
--- a/pkg/mgrconfig/config.go
+++ b/pkg/mgrconfig/config.go
@@ -104,6 +104,9 @@ type Config struct {
 	// but to not oversubscribe CPU and memory too severe to not cause OOMs and false hangs/stalls.
 	Procs int `json:"procs"`
 
+	// Maximum number of logs to store per crash (default: 100).
+	MaxCrashLogs int `json:"max_crash_logs"`
+
 	// Type of sandbox to use during fuzzing:
 	// "none": don't do anything special beyond resource sandboxing, default
 	// "setuid": impersonate into user nobody (65534). Supported only for some OSes.
diff --git a/pkg/mgrconfig/load.go b/pkg/mgrconfig/load.go
index 9814987a7..abfaa30e6 100644
--- a/pkg/mgrconfig/load.go
+++ b/pkg/mgrconfig/load.go
@@ -78,12 +78,13 @@ func LoadPartialFile(filename string) (*Config, error) {
 
 func defaultValues() *Config {
 	return &Config{
-		SSHUser:   "root",
-		Cover:     true,
-		Reproduce: true,
-		Sandbox:   "none",
-		RPC:       ":0",
-		Procs:     6,
+		SSHUser:      "root",
+		Cover:        true,
+		Reproduce:    true,
+		Sandbox:      "none",
+		RPC:          ":0",
+		MaxCrashLogs: 100,
+		Procs:        6,
 	}
 }