I0927 05:08:18.275662 11196 x:0] *************************** I0927 05:08:18.275824 11196 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] I0927 05:08:18.275872 11196 x:0] Git Revision: fca9a390db4c965b4606dd85838460841bd4ab14 I0927 05:08:18.275893 11196 x:0] PID: 11196 I0927 05:08:18.275907 11196 x:0] UID: 0, GID: 0 I0927 05:08:18.275920 11196 x:0] Configuration: I0927 05:08:18.275939 11196 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0927 05:08:18.275952 11196 x:0] Platform: ptrace I0927 05:08:18.275977 11196 x:0] FileAccess: exclusive, overlay: true I0927 05:08:18.275990 11196 x:0] Network: host, logging: false I0927 05:08:18.276015 11196 x:0] Strace: false, max size: 1024, syscalls: [] I0927 05:08:18.276038 11196 x:0] *************************** I0927 05:08:18.277928 11196 x:0] Remounting root as readonly: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-2/image" W0927 05:08:18.278111 11196 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