I0927 00:48:16.429706 29326 x:0] *************************** I0927 00:48:16.429810 29326 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] I0927 00:48:16.429859 29326 x:0] Git Revision: a003e041c86198122af7e37cc171517f977dde6a I0927 00:48:16.429872 29326 x:0] PID: 29326 I0927 00:48:16.429884 29326 x:0] UID: 0, GID: 0 I0927 00:48:16.429894 29326 x:0] Configuration: I0927 00:48:16.429906 29326 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0927 00:48:16.429915 29326 x:0] Platform: ptrace I0927 00:48:16.429935 29326 x:0] FileAccess: exclusive, overlay: true I0927 00:48:16.429951 29326 x:0] Network: host, logging: false I0927 00:48:16.429971 29326 x:0] Strace: false, max size: 1024, syscalls: [] I0927 00:48:16.429985 29326 x:0] *************************** I0927 00:48:16.431808 29326 x:0] Remounting root as readonly: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/image" W0927 00:48:16.431959 29326 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