I0921 21:18:12.139232 28501 x:0] *************************** I0921 21:18:12.139346 28501 x:0] Args: [/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/image -root /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root -watchdog-action=panic -panic-signal=12 -network=none -platform=ptrace -file-access=shared -network=sandbox run -bundle /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-1/bundle ci-gvisor-ptrace-proxy-sandbox-race-test-0] I0921 21:18:12.139386 28501 x:0] Git Revision: 7ce13ebcadc764c5f69215f072b53d3843bec679 I0921 21:18:12.139398 28501 x:0] PID: 28501 I0921 21:18:12.139411 28501 x:0] UID: 0, GID: 0 I0921 21:18:12.139423 28501 x:0] Configuration: I0921 21:18:12.139444 28501 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root I0921 21:18:12.139454 28501 x:0] Platform: ptrace I0921 21:18:12.139467 28501 x:0] FileAccess: shared, overlay: false I0921 21:18:12.139487 28501 x:0] Network: sandbox, logging: false I0921 21:18:12.139501 28501 x:0] Strace: false, max size: 1024, syscalls: [] I0921 21:18:12.139528 28501 x:0] *************************** I0921 21:18:12.141289 28501 x:0] Remounting root as readonly: "/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-1/image" W0921 21:18:12.141468 28501 x:0] FATAL ERROR: error running container: error creating container: failed to setup mounts: failed to remount root as readonly with source: "/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-1/image", target: "/syzkaller/managers/ptrace-proxy-sandbox-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/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-1/image", target: "/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-1/image", flags: 0x5021, err: invalid argument