I0925 18:07:20.871258 21639 x:0] *************************** I0925 18:07:20.871340 21639 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-1/bundle ci-gvisor-kvm-direct-overlay-host-race-test-1] I0925 18:07:20.871407 21639 x:0] Git Revision: d489336784f12e1b6f92d65f53679c1226b58668 I0925 18:07:20.871418 21639 x:0] PID: 21639 I0925 18:07:20.871432 21639 x:0] UID: 0, GID: 0 I0925 18:07:20.871447 21639 x:0] Configuration: I0925 18:07:20.871455 21639 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0925 18:07:20.871464 21639 x:0] Platform: ptrace I0925 18:07:20.871488 21639 x:0] FileAccess: exclusive, overlay: true I0925 18:07:20.871503 21639 x:0] Network: host, logging: false I0925 18:07:20.871523 21639 x:0] Strace: false, max size: 1024, syscalls: [] I0925 18:07:20.871536 21639 x:0] *************************** I0925 18:07:20.873336 21639 x:0] Remounting root as readonly: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/image" W0925 18:07:20.873470 21639 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-1/image", target: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/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-1/image", target: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/image", flags: 0x5021, err: invalid argument