syz-ci: allow to specify cmdline/sysctls

Allow to specify per-kernel command line and sysctl values
to more closely mimic the target kernel.

1 files changed, 3 insertions, 1 deletions

diff --git a/pkg/kernel/kernel.go b/pkg/kernel/kernel.go
index 208b61815..5b97715b4 100644
--- a/pkg/kernel/kernel.go
+++ b/pkg/kernel/kernel.go
@@ -68,8 +68,10 @@ func build(dir, compiler string) error {
 
 // CreateImage creates a disk image that is suitable for syzkaller.
 // Kernel is taken from kernelDir, userspace system is taken from userspaceDir.
+// If cmdlineFile is not empty, contents of the file are appended to the kernel command line.
+// If sysctlFile is not empty, contents of the file are appended to the image /etc/sysctl.conf.
 // Produces image and root ssh key in the specified files.
-func CreateImage(kernelDir, userspaceDir, image, sshkey string) error {
+func CreateImage(kernelDir, userspaceDir, cmdlineFile, sysctlFile, image, sshkey string) error {
 	tempDir, err := ioutil.TempDir("", "syz-build")
 	if err != nil {
 		return err