diff options
Diffstat (limited to 'pkg/kernel/kernel.go')
| -rw-r--r-- | pkg/kernel/kernel.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pkg/kernel/kernel.go b/pkg/kernel/kernel.go index 3cd689d70..a51da8db3 100644 --- a/pkg/kernel/kernel.go +++ b/pkg/kernel/kernel.go @@ -24,9 +24,9 @@ import ( "github.com/google/syzkaller/pkg/osutil" ) -func Build(dir, compiler, config string) error { +func Build(dir, compiler string, config []byte) error { configFile := filepath.Join(dir, ".config") - if err := osutil.CopyFile(config, configFile); err != nil { + if err := osutil.WriteFile(configFile, config); err != nil { return fmt.Errorf("failed to write config file: %v", err) } if err := osutil.SandboxChown(configFile); err != nil { @@ -89,6 +89,7 @@ func CreateImage(kernelDir, userspaceDir, cmdlineFile, sysctlFile, image, sshkey if _, err = osutil.Run(time.Hour, cmd); err != nil { return fmt.Errorf("image build failed: %v", err) } + // Note: we use CopyFile instead of Rename because src and dst can be on different filesystems. if err := osutil.CopyFile(filepath.Join(tempDir, "disk.raw"), image); err != nil { return err } |