I0923 18:41:04.003498 27817 x:0] *************************** I0923 18:41:04.003589 27817 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] I0923 18:41:04.003635 27817 x:0] Git Revision: 4094480b28e7367346840938f83db65f20e7ddaa I0923 18:41:04.003651 27817 x:0] PID: 27817 I0923 18:41:04.003672 27817 x:0] UID: 0, GID: 0 I0923 18:41:04.003683 27817 x:0] Configuration: I0923 18:41:04.003695 27817 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0923 18:41:04.003723 27817 x:0] Platform: ptrace I0923 18:41:04.003743 27817 x:0] FileAccess: exclusive, overlay: true I0923 18:41:04.003755 27817 x:0] Network: host, logging: false I0923 18:41:04.003771 27817 x:0] Strace: false, max size: 1024, syscalls: [] I0923 18:41:04.003785 27817 x:0] *************************** I0923 18:41:04.005484 27817 x:0] Remounting root as readonly: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/image" W0923 18:41:04.005617 27817 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