diff options
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/build/linux.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/pkg/build/linux.go b/pkg/build/linux.go index 735118a1a..b9301d3d9 100644 --- a/pkg/build/linux.go +++ b/pkg/build/linux.go @@ -128,6 +128,16 @@ func runMake(kernelDir string, args ...string) error { return err } cmd.Dir = kernelDir + cmd.Env = append([]string{}, os.Environ()...) + // This makes the build [more] deterministic: + // 2 builds from the same sources should result in the same vmlinux binary. + // We plan to use it for detecting no-op changes during bisection. + cmd.Env = append(cmd.Env, + "KBUILD_BUILD_VERSION=0", + "KBUILD_BUILD_TIMESTAMP=now", + "KBUILD_BUILD_USER=syzkaller", + "KBUILD_BUILD_HOST=syzkaller", + ) _, err := osutil.Run(time.Hour, cmd) return err } |