I0920 12:56:17.002164 18094 x:0] *************************** I0920 12:56:17.002257 18094 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-0] I0920 12:56:17.002308 18094 x:0] Git Revision: ffb5fdd69021713e88ec965e77487b7fc28bc104 I0920 12:56:17.002322 18094 x:0] PID: 18094 I0920 12:56:17.002338 18094 x:0] UID: 0, GID: 0 I0920 12:56:17.002350 18094 x:0] Configuration: I0920 12:56:17.002369 18094 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0920 12:56:17.002394 18094 x:0] Platform: ptrace I0920 12:56:17.002441 18094 x:0] FileAccess: exclusive, overlay: true I0920 12:56:17.002460 18094 x:0] Network: host, logging: false I0920 12:56:17.002475 18094 x:0] Strace: false, max size: 1024, syscalls: [] I0920 12:56:17.002498 18094 x:0] *************************** I0920 12:56:17.004225 18094 x:0] Remounting root as readonly: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/image" W0920 12:56:17.004373 18094 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