validateProcessSpec: prevent SEGV when config is valid json, but inva…

…lid. Signed-off-by: John Hwang <[email protected]>
opencontainers · May 16, 2020 · e021f83 · e021f83
1 parent 3f1e886
commit e021f83
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/utils_linux.go b/utils_linux.go
@@ -378,6 +378,9 @@ func (r *runner) checkTerminal(config *specs.Process) error {
 }
 
 func validateProcessSpec(spec *specs.Process) error {
+	if spec == nil {
+		return fmt.Errorf("process property must not be empty")
+	}
 	if spec.Cwd == "" {
 		return fmt.Errorf("Cwd property must not be empty")
 	}