I0320 21:57:41.508018 36462 x:0] *************************** I0320 21:57:41.508289 36462 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 -network=none -debug -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-0] I0320 21:57:41.508460 36462 x:0] Git Revision: 81f4829d1195276d037f8bd23a2ef69e88f5ae6c I0320 21:57:41.508513 36462 x:0] PID: 36462 I0320 21:57:41.508592 36462 x:0] UID: 0, GID: 0 I0320 21:57:41.508637 36462 x:0] Configuration: I0320 21:57:41.508726 36462 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0320 21:57:41.508781 36462 x:0] Platform: ptrace I0320 21:57:41.508876 36462 x:0] FileAccess: exclusive, overlay: true I0320 21:57:41.508977 36462 x:0] Network: host, logging: false I0320 21:57:41.509073 36462 x:0] Strace: false, max size: 1024, syscalls: [] I0320 21:57:41.509171 36462 x:0] *************************** D0320 21:57:41.542728 36462 x:0] Spec: &{Version: Process:0xc00029cc30 Root:0xc0002a9360 Hostname: Mounts:[] Hooks: Annotations:map[] Linux: Solaris: Windows:} D0320 21:57:41.542918 36462 x:0] Spec.Hooks: D0320 21:57:41.542967 36462 x:0] Spec.Linux: D0320 21:57:41.543047 36462 x:0] Spec.Process: &{Terminal:false ConsoleSize: User:{UID:0 GID:0 AdditionalGids:[] Username:} Args:[/init] Env:[SYZ_GVISOR_PROXY=1] Cwd:/tmp Capabilities:0xc000240280 Rlimits:[] NoNewPrivileges:false ApparmorProfile: OOMScoreAdj: SelinuxLabel:} D0320 21:57:41.543184 36462 x:0] Spec.Root: &{Path:/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/image Readonly:true} D0320 21:57:41.543272 36462 x:0] Spec.Mounts: [] D0320 21:57:41.543353 36462 x:0] Run container "ci-gvisor-kvm-direct-overlay-host-race-test-0" in root dir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root D0320 21:57:41.543414 36462 x:0] Create container "ci-gvisor-kvm-direct-overlay-host-race-test-0" in root dir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root D0320 21:57:41.572799 36462 x:0] Creating new sandbox for container "ci-gvisor-kvm-direct-overlay-host-race-test-0" D0320 21:57:41.573146 36462 x:0] Starting gofer: /proc/self/exe [--root=/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=exclusive --overlay=true --network=host --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/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/bundle --panic-on-write=true --spec-fd=3 --mounts-fd=4 --io-fds=5] I0320 21:57:42.031621 36462 x:0] Gofer started, PID: 36582 I0320 21:57:42.031882 36462 x:0] Creating sandbox process with addr: runsc-sandbox.ci-gvisor-kvm-direct-overlay-host-race-test-0 I0320 21:57:42.032001 36462 x:0] Sandbox will be started in new mount, IPC and UTS namespaces I0320 21:57:42.032021 36462 x:0] Sandbox will be started in the current PID namespace I0320 21:57:42.032038 36462 x:0] Sandbox will be started in new network namespace I0320 21:57:42.032057 36462 x:0] Sandbox will be started in the current user namespace I0320 21:57:42.032379 36462 x:0] Sandbox will be started in minimal chroot D0320 21:57:42.032401 36462 x:0] Donating FD 3: "control_server_socket" D0320 21:57:42.032428 36462 x:0] Donating FD 4: "|0" D0320 21:57:42.032463 36462 x:0] Donating FD 5: "/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/bundle/config.json" D0320 21:57:42.033390 36462 x:0] Donating FD 6: "|1" D0320 21:57:42.033436 36462 x:0] Donating FD 7: "sandbox IO FD" D0320 21:57:42.033469 36462 x:0] Donating FD 8: "/dev/stdin" D0320 21:57:42.033494 36462 x:0] Donating FD 9: "/dev/stdout" D0320 21:57:42.033517 36462 x:0] Donating FD 10: "/dev/stderr" D0320 21:57:42.033541 36462 x:0] Starting sandbox: /proc/self/exe [runsc-sandbox --root=/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=exclusive --overlay=true --network=host --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/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/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 --apply-caps=true --setup-root ci-gvisor-kvm-direct-overlay-host-race-test-0] D0320 21:57:42.033656 36462 x:0] SysProcAttr: &{Chroot: Credential: Ptrace:false Setsid:true Setpgid:false Setctty:false Noctty:false Ctty:0 Foreground:false Pgid:0 Pdeathsig:signal 0 Cloneflags:0 Unshareflags:0 UidMappings:[] GidMappings:[] GidMappingsEnableSetgroups:false AmbientCaps:[]} I0320 21:58:11.357776 36462 x:0] Sandbox started, PID: 37008 I0320 21:58:11.474403 37008 x:0] *************************** I0320 21:58:11.474662 37008 x:0] Args: [runsc-sandbox --root=/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=exclusive --overlay=true --network=host --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/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/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 --apply-caps=true --setup-root ci-gvisor-kvm-direct-overlay-host-race-test-0] I0320 21:58:11.474874 37008 x:0] Git Revision: 81f4829d1195276d037f8bd23a2ef69e88f5ae6c I0320 21:58:11.474921 37008 x:0] PID: 37008 I0320 21:58:11.475005 37008 x:0] UID: 0, GID: 0 I0320 21:58:11.475060 37008 x:0] Configuration: I0320 21:58:11.475138 37008 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0320 21:58:11.475165 37008 x:0] Platform: ptrace I0320 21:58:11.475235 37008 x:0] FileAccess: exclusive, overlay: true I0320 21:58:11.475260 37008 x:0] Network: host, logging: false I0320 21:58:11.475283 37008 x:0] Strace: false, max size: 1024, syscalls: [] I0320 21:58:11.475335 37008 x:0] *************************** I0320 21:58:11.475491 37008 x:0] Setting up sandbox chroot in "/tmp" I0320 21:58:11.486188 37008 x:0] Mounting "/proc" at "/tmp/proc" D0320 21:58:15.676172 37008 x:0] Spec: &{Version: Process:0xc00023d380 Root:0xc000253420 Hostname: Mounts:[] Hooks: Annotations:map[] Linux: Solaris: Windows:} D0320 21:58:15.676444 37008 x:0] Spec.Hooks: D0320 21:58:15.676521 37008 x:0] Spec.Linux: D0320 21:58:15.676567 37008 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 21:58:15.676784 37008 x:0] Spec.Root: &{Path:/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/image Readonly:true} D0320 21:58:15.676931 37008 x:0] Spec.Mounts: [] I0320 21:58:15.677593 37008 x:0] Capabilities applied: { effective="full" permitted="full" inheritable="full" bounding="full" } I0320 21:58:15.677638 37008 x:0] Execve "/proc/self/exe" again, bye! I0320 21:58:15.761547 37008 x:0] *************************** I0320 21:58:15.765640 37008 x:0] Args: [runsc-sandbox --root=/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=exclusive --overlay=true --network=host --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/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/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-kvm-direct-overlay-host-race-test-0] I0320 21:58:15.779956 37008 x:0] Git Revision: 81f4829d1195276d037f8bd23a2ef69e88f5ae6c I0320 21:58:15.780131 37008 x:0] PID: 37008 I0320 21:58:15.780220 37008 x:0] UID: 0, GID: 0 I0320 21:58:15.780313 37008 x:0] Configuration: I0320 21:58:15.780404 37008 x:0] RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/gvisor_root I0320 21:58:15.780467 37008 x:0] Platform: ptrace I0320 21:58:15.780556 37008 x:0] FileAccess: exclusive, overlay: true I0320 21:58:15.780630 37008 x:0] Network: host, logging: false I0320 21:58:15.780716 37008 x:0] Strace: false, max size: 1024, syscalls: [] I0320 21:58:15.780786 37008 x:0] *************************** D0320 21:58:15.786721 37008 x:0] Spec: &{Version: Process:0xc000286c30 Root:0xc000291320 Hostname: Mounts:[] Hooks: Annotations:map[] Linux: Solaris: Windows:} D0320 21:58:15.786962 37008 x:0] Spec.Hooks: D0320 21:58:15.786997 37008 x:0] Spec.Linux: D0320 21:58:15.787049 37008 x:0] Spec.Process: &{Terminal:false ConsoleSize: User:{UID:0 GID:0 AdditionalGids:[] Username:} Args:[/init] Env:[SYZ_GVISOR_PROXY=1] Cwd:/tmp Capabilities:0xc000230280 Rlimits:[] NoNewPrivileges:false ApparmorProfile: OOMScoreAdj: SelinuxLabel:} D0320 21:58:15.787184 37008 x:0] Spec.Root: &{Path:/syzkaller/managers/kvm-direct-overlay-host-race/latest.tmp/workdir/instance-1/image Readonly:true} D0320 21:58:15.787207 37008 x:0] Spec.Mounts: [] W0320 21:58:15.787294 37008 x:0] FATAL ERROR: Error reading mounts file: error unmarshaling mounts: unexpected end of JSON input Error reading mounts file: error unmarshaling mounts: unexpected end of JSON input