I0320 17:18:37.414976 30098 x:0] *************************** I0320 17:18:37.415095 30098 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 -network=none -debug -platform=ptrace -file-access=shared -network=sandbox run -bundle /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-2/bundle ci-gvisor-ptrace-proxy-sandbox-race-test-1] I0320 17:18:37.415161 30098 x:0] Git Revision: 9f4e1cb7970d723cbc191c6ea304cb994d6d394d I0320 17:18:37.415176 30098 x:0] PID: 30098 I0320 17:18:37.415197 30098 x:0] UID: 0, GID: 0 I0320 17:18:37.415222 30098 x:0] Configuration: I0320 17:18:37.415242 30098 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root I0320 17:18:37.415260 30098 x:0] Platform: ptrace I0320 17:18:37.415320 30098 x:0] FileAccess: shared, overlay: false I0320 17:18:37.415340 30098 x:0] Network: sandbox, logging: false I0320 17:18:37.415373 30098 x:0] Strace: false, max size: 1024, syscalls: [] I0320 17:18:37.415396 30098 x:0] *************************** D0320 17:18:37.421276 30098 x:0] Spec: &{Version: Process:0xc0002791e0 Root:0xc0002973a0 Hostname: Mounts:[] Hooks: Annotations:map[] Linux: Solaris: Windows:} D0320 17:18:37.421384 30098 x:0] Spec.Hooks: D0320 17:18:37.421400 30098 x:0] Spec.Linux: D0320 17:18:37.421418 30098 x:0] Spec.Process: &{Terminal:false ConsoleSize: User:{UID:0 GID:0 AdditionalGids:[] Username:} Args:[/init] Env:[SYZ_GVISOR_PROXY=1] Cwd:/tmp Capabilities:0xc00022e280 Rlimits:[] NoNewPrivileges:false ApparmorProfile: OOMScoreAdj: SelinuxLabel:} D0320 17:18:37.421483 30098 x:0] Spec.Root: &{Path:/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-2/image Readonly:true} D0320 17:18:37.421518 30098 x:0] Spec.Mounts: [] D0320 17:18:37.421541 30098 x:0] Run container "ci-gvisor-ptrace-proxy-sandbox-race-test-1" in root dir: /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root D0320 17:18:37.421588 30098 x:0] Create container "ci-gvisor-ptrace-proxy-sandbox-race-test-1" in root dir: /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root D0320 17:18:37.422069 30098 x:0] Creating new sandbox for container "ci-gvisor-ptrace-proxy-sandbox-race-test-1" D0320 17:18:37.422240 30098 x:0] Starting gofer: /proc/self/exe [--root=/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=shared --overlay=false --network=sandbox --log-packets=false --platform=ptrace --strace=false --strace-syscalls= --strace-log-size=1024 --watchdog-action=Panic --panic-signal=-1 --profile=false gofer --bundle /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-2/bundle --spec-fd=3 --mounts-fd=4 --io-fds=5] I0320 17:18:38.763226 30098 x:0] Gofer started, PID: 30195 I0320 17:18:38.763749 30098 x:0] Creating sandbox process with addr: runsc-sandbox.ci-gvisor-ptrace-proxy-sandbox-race-test-1 I0320 17:18:38.763992 30098 x:0] Sandbox will be started in new mount, IPC and UTS namespaces I0320 17:18:38.764086 30098 x:0] Sandbox will be started in the current PID namespace I0320 17:18:38.764182 30098 x:0] Sandbox will be started in new network namespace I0320 17:18:38.764639 30098 x:0] Sandbox will be started in new user namespace D0320 17:18:38.764730 30098 x:0] Donating FD 3: "control_server_socket" D0320 17:18:38.764825 30098 x:0] Donating FD 4: "|0" D0320 17:18:38.764926 30098 x:0] Donating FD 5: "/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-2/bundle/config.json" D0320 17:18:38.765039 30098 x:0] Donating FD 6: "|1" D0320 17:18:38.765091 30098 x:0] Donating FD 7: "sandbox IO FD" D0320 17:18:38.765155 30098 x:0] Donating FD 8: "/dev/stdin" D0320 17:18:38.765207 30098 x:0] Donating FD 9: "/dev/stdout" D0320 17:18:38.765266 30098 x:0] Donating FD 10: "/dev/stderr" D0320 17:18:38.765343 30098 x:0] Starting sandbox: /proc/self/exe [runsc-sandbox --root=/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=shared --overlay=false --network=sandbox --log-packets=false --platform=ptrace --strace=false --strace-syscalls= --strace-log-size=1024 --watchdog-action=Panic --panic-signal=-1 --profile=false boot --bundle=/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-2/bundle --controller-fd=3 --mounts-fd=4 --spec-fd=5 --start-sync-fd=6 --io-fds=7 --stdio-fds=8 --stdio-fds=9 --stdio-fds=10 --setup-root ci-gvisor-ptrace-proxy-sandbox-race-test-1] D0320 17:18:38.765468 30098 x:0] SysProcAttr: &{Chroot: Credential:0xc000290e70 Ptrace:false Setsid:true Setpgid:false Setctty:false Noctty:false Ctty:0 Foreground:false Pgid:0 Pdeathsig:signal 0 Cloneflags:0 Unshareflags:0 UidMappings:[{ContainerID:0 HostID:65533 Size:1} {ContainerID:65534 HostID:65534 Size:1}] GidMappings:[{ContainerID:65534 HostID:65534 Size:1}] GidMappingsEnableSetgroups:false AmbientCaps:[]} I0320 17:18:52.677734 30098 x:0] Sandbox started, PID: 30304 I0320 17:18:52.928861 30304 x:0] *************************** I0320 17:18:52.929002 30304 x:0] Args: [runsc-sandbox --root=/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=shared --overlay=false --network=sandbox --log-packets=false --platform=ptrace --strace=false --strace-syscalls= --strace-log-size=1024 --watchdog-action=Panic --panic-signal=-1 --profile=false boot --bundle=/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-2/bundle --controller-fd=3 --mounts-fd=4 --spec-fd=5 --start-sync-fd=6 --io-fds=7 --stdio-fds=8 --stdio-fds=9 --stdio-fds=10 --setup-root ci-gvisor-ptrace-proxy-sandbox-race-test-1] I0320 17:18:52.929091 30304 x:0] Git Revision: 9f4e1cb7970d723cbc191c6ea304cb994d6d394d I0320 17:18:52.929105 30304 x:0] PID: 30304 I0320 17:18:52.929126 30304 x:0] UID: 0, GID: 65534 I0320 17:18:52.929140 30304 x:0] Configuration: I0320 17:18:52.929151 30304 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root I0320 17:18:52.929174 30304 x:0] Platform: ptrace I0320 17:18:52.929202 30304 x:0] FileAccess: shared, overlay: false I0320 17:18:52.929226 30304 x:0] Network: sandbox, logging: false I0320 17:18:52.929243 30304 x:0] Strace: false, max size: 1024, syscalls: [] I0320 17:18:52.929273 30304 x:0] *************************** I0320 17:18:52.929361 30304 x:0] Setting up sandbox chroot in "/tmp" I0320 17:18:53.075870 30304 x:0] Mounting "/proc" at "/tmp/proc" I0320 17:18:53.397107 30304 x:0] Execve "/proc/self/exe" again, bye! I0320 17:18:53.486826 30304 x:0] *************************** I0320 17:18:53.488199 30304 x:0] Args: [runsc-sandbox --root=/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=shared --overlay=false --network=sandbox --log-packets=false --platform=ptrace --strace=false --strace-syscalls= --strace-log-size=1024 --watchdog-action=Panic --panic-signal=-1 --profile=false boot --bundle=/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-2/bundle --controller-fd=3 --mounts-fd=4 --spec-fd=5 --start-sync-fd=6 --io-fds=7 --stdio-fds=8 --stdio-fds=9 --stdio-fds=10 ci-gvisor-ptrace-proxy-sandbox-race-test-1] I0320 17:18:53.488342 30304 x:0] Git Revision: 9f4e1cb7970d723cbc191c6ea304cb994d6d394d I0320 17:18:53.488366 30304 x:0] PID: 30304 I0320 17:18:53.488594 30304 x:0] UID: 65534, GID: 65534 I0320 17:18:53.491581 30304 x:0] Configuration: I0320 17:18:53.491647 30304 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/gvisor_root I0320 17:18:53.491715 30304 x:0] Platform: ptrace I0320 17:18:53.491781 30304 x:0] FileAccess: shared, overlay: false I0320 17:18:53.491913 30304 x:0] Network: sandbox, logging: false I0320 17:18:53.492872 30304 x:0] Strace: false, max size: 1024, syscalls: [] I0320 17:18:53.492960 30304 x:0] *************************** D0320 17:18:53.510393 30304 x:0] Spec: &{Version: Process:0xc00024d040 Root:0xc00025f3e0 Hostname: Mounts:[] Hooks: Annotations:map[] Linux: Solaris: Windows:} D0320 17:18:53.510721 30304 x:0] Spec.Hooks: D0320 17:18:53.510790 30304 x:0] Spec.Linux: D0320 17:18:53.510837 30304 x:0] Spec.Process: &{Terminal:false ConsoleSize: User:{UID:0 GID:0 AdditionalGids:[] Username:} Args:[/init] Env:[SYZ_GVISOR_PROXY=1] Cwd:/tmp Capabilities:0xc000200280 Rlimits:[] NoNewPrivileges:false ApparmorProfile: OOMScoreAdj: SelinuxLabel:} D0320 17:18:53.510973 30304 x:0] Spec.Root: &{Path:/syzkaller/managers/ptrace-proxy-sandbox-race/latest.tmp/workdir/instance-2/image Readonly:true} D0320 17:18:53.511040 30304 x:0] Spec.Mounts: [] W0320 17:18:53.511153 30304 x:0] FATAL ERROR: Error reading mounts file: error unmarshaling mounts: unexpected end of JSON input