syz-gce: speedup kernel checkout
syz-gce: speedup kernel checkout

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xairy/syzkaller,zoulasc/syzkaller,hyz0906/syzkaller,zoulasc/syzkaller,hyz0906/syzkaller,google/syzkaller,dotweiba/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,hyz0906/syzkaller,xairy/syzkaller,xairy/syzkaller,zoulasc/syzkaller,dotweiba/syzkaller,dotweiba/syzkaller,google/syzkaller,hyz0906/syzkaller,zoulasc/syzkaller,google/syzkaller,google/syzkaller,dotweiba/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,hyz0906/syzkaller