I0925 00:22:52.729566 31901 x:0] *************************** I0925 00:22:52.729658 31901 x:0] Args: [/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/image -root /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root -watchdog-action=panic -panic-signal=12 -network=none -platform=ptrace -file-access=exclusive -overlay -network=host run -bundle /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/bundle ci-gvisor-kvm-direct-overlay-host-race-test-1] I0925 00:22:52.729732 31901 x:0] Git Revision: d489336784f12e1b6f92d65f53679c1226b58668 I0925 00:22:52.729745 31901 x:0] PID: 31901 I0925 00:22:52.729759 31901 x:0] UID: 0, GID: 0 I0925 00:22:52.729774 31901 x:0] Configuration: I0925 00:22:52.729783 31901 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0925 00:22:52.729805 31901 x:0] Platform: ptrace I0925 00:22:52.729819 31901 x:0] FileAccess: exclusive, overlay: true I0925 00:22:52.729836 31901 x:0] Network: host, logging: false I0925 00:22:52.729852 31901 x:0] Strace: false, max size: 1024, syscalls: [] I0925 00:22:52.729867 31901 x:0] *************************** I0925 00:22:52.731799 31901 x:0] Remounting root as readonly: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/image" W0925 00:22:52.731975 31901 x:0] FATAL ERROR: error running container: error creating container: failed to setup mounts: failed to remount root as readonly with source: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/image", target: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/image", flags: 0x5021, err: invalid argument error running container: error creating container: failed to setup mounts: failed to remount root as readonly with source: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/image", target: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/image", flags: 0x5021, err: invalid argument