I1224 17:26:53.824125   29100 x:0] ***************************
I1224 17:26:53.824152   29100 x:0] Args: [/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/image -root /syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=kvm -file-access=exclusive -overlay -network=sandbox run -bundle /syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/instance-2/bundle ci-gvisor-kvm-proxy-overlay-sandbox-test-1]
I1224 17:26:53.824178   29100 x:0] Version release-20191213.0-48-ge013c48c78c9
I1224 17:26:53.824195   29100 x:0] PID: 29100
I1224 17:26:53.824202   29100 x:0] UID: 0, GID: 0
I1224 17:26:53.824206   29100 x:0] Configuration:
I1224 17:26:53.824210   29100 x:0] 		RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root
I1224 17:26:53.824214   29100 x:0] 		Platform: kvm
I1224 17:26:53.824218   29100 x:0] 		FileAccess: exclusive, overlay: true
I1224 17:26:53.824240   29100 x:0] 		Network: sandbox, logging: false
I1224 17:26:53.824254   29100 x:0] 		Strace: false, max size: 1024, syscalls: []
I1224 17:26:53.824259   29100 x:0] ***************************
D1224 17:26:53.829587   29100 x:0] Spec: &{Version: Process:0xc000299110 Root:0xc00029ebc0 Hostname: Mounts:[] Hooks:<nil> Annotations:map[] Linux:<nil> Solaris:<nil> Windows:<nil>}
D1224 17:26:53.829647   29100 x:0] Spec.Hooks: <nil>
D1224 17:26:53.829652   29100 x:0] Spec.Linux: <nil>
D1224 17:26:53.829656   29100 x:0] Spec.Process: &{Terminal:false ConsoleSize:<nil> User:{UID:0 GID:0 AdditionalGids:[] Username:} Args:[/init] Env:[SYZ_GVISOR_PROXY=1] Cwd:/tmp Capabilities:0xc000120300 Rlimits:[] NoNewPrivileges:false ApparmorProfile: OOMScoreAdj:<nil> SelinuxLabel:}
D1224 17:26:53.829686   29100 x:0] Spec.Root: &{Path:/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/instance-2/image Readonly:true}
D1224 17:26:53.829693   29100 x:0] Spec.Mounts: []
D1224 17:26:53.829706   29100 x:0] Run container "ci-gvisor-kvm-proxy-overlay-sandbox-test-1" in root dir: /syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root
D1224 17:26:53.829715   29100 x:0] Create container "ci-gvisor-kvm-proxy-overlay-sandbox-test-1" in root dir: /syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root
D1224 17:26:53.829883   29100 x:0] Creating new sandbox for container "ci-gvisor-kvm-proxy-overlay-sandbox-test-1"
D1224 17:26:53.829982   29100 x:0] Starting gofer: /proc/self/exe [--root=/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=exclusive --overlay=true --fsgofer-host-uds=false --network=sandbox --log-packets=false --platform=kvm --strace=false --strace-syscalls= --strace-log-size=1024 --watchdog-action=Panic --panic-signal=-1 --profile=false --net-raw=false --num-network-channels=1 --rootless=false --alsologtostderr=true --ref-leak-mode=disabled --gso=true --software-gso=true --overlayfs-stale-read=false gofer --bundle /syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/instance-2/bundle --panic-on-write=true --spec-fd=3 --mounts-fd=4 --io-fds=5]
I1224 17:26:53.872454   29100 x:0] Gofer started, PID: 32352
I1224 17:26:53.872573   29100 x:0] Creating sandbox process with addr: runsc-sandbox.ci-gvisor-kvm-proxy-overlay-sandbox-test-1
I1224 17:26:53.872655   29100 x:0] Sandbox will be started in new mount, IPC and UTS namespaces
I1224 17:26:53.872662   29100 x:0] Sandbox will be started in a new PID namespace
I1224 17:26:53.872672   29100 x:0] Sandbox will be started in new network namespace
I1224 17:26:53.873444   29100 x:0] Sandbox will be started in new user namespace
D1224 17:26:53.873466   29100 x:0] Donating FD 3: "control_server_socket"
D1224 17:26:53.873480   29100 x:0] Donating FD 4: "|0"
D1224 17:26:53.873487   29100 x:0] Donating FD 5: "/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/instance-2/bundle/config.json"
D1224 17:26:53.873498   29100 x:0] Donating FD 6: "|1"
D1224 17:26:53.873503   29100 x:0] Donating FD 7: "sandbox IO FD"
D1224 17:26:53.873508   29100 x:0] Donating FD 8: "/dev/kvm"
D1224 17:26:53.873522   29100 x:0] Donating FD 9: "/dev/stdin"
D1224 17:26:53.873527   29100 x:0] Donating FD 10: "/dev/stdout"
D1224 17:26:53.873532   29100 x:0] Donating FD 11: "/dev/stderr"
D1224 17:26:53.873537   29100 x:0] Starting sandbox: /proc/self/exe [runsc-sandbox --root=/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=exclusive --overlay=true --fsgofer-host-uds=false --network=sandbox --log-packets=false --platform=kvm --strace=false --strace-syscalls= --strace-log-size=1024 --watchdog-action=Panic --panic-signal=-1 --profile=false --net-raw=false --num-network-channels=1 --rootless=false --alsologtostderr=true --ref-leak-mode=disabled --gso=true --software-gso=true --overlayfs-stale-read=false --panic-signal=15 boot --bundle=/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/instance-2/bundle --controller-fd=3 --mounts-fd=4 --spec-fd=5 --start-sync-fd=6 --io-fds=7 --device-fd=8 --stdio-fds=9 --stdio-fds=10 --stdio-fds=11 --pidns=true --setup-root ci-gvisor-kvm-proxy-overlay-sandbox-test-1]
D1224 17:26:53.873584   29100 x:0] SysProcAttr: &{Chroot: Credential:0xc0002a2a50 Ptrace:false Setsid:true Setpgid:false Setctty:false Noctty:false Ctty:0 Foreground:false Pgid:0 Pdeathsig:killed 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:[]}
I1224 17:26:53.889104   29100 x:0] Sandbox started, PID: 33092
I1224 17:26:53.920539       1 x:0] ***************************
I1224 17:26:53.920564       1 x:0] Args: [runsc-sandbox --root=/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=exclusive --overlay=true --fsgofer-host-uds=false --network=sandbox --log-packets=false --platform=kvm --strace=false --strace-syscalls= --strace-log-size=1024 --watchdog-action=Panic --panic-signal=-1 --profile=false --net-raw=false --num-network-channels=1 --rootless=false --alsologtostderr=true --ref-leak-mode=disabled --gso=true --software-gso=true --overlayfs-stale-read=false --panic-signal=15 boot --bundle=/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/instance-2/bundle --controller-fd=3 --mounts-fd=4 --spec-fd=5 --start-sync-fd=6 --io-fds=7 --device-fd=8 --stdio-fds=9 --stdio-fds=10 --stdio-fds=11 --pidns=true --setup-root ci-gvisor-kvm-proxy-overlay-sandbox-test-1]
I1224 17:26:53.920598       1 x:0] Version release-20191213.0-48-ge013c48c78c9
I1224 17:26:53.920603       1 x:0] PID: 1
I1224 17:26:53.920609       1 x:0] UID: 0, GID: 65534
I1224 17:26:53.920618       1 x:0] Configuration:
I1224 17:26:53.920621       1 x:0] 		RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root
I1224 17:26:53.920624       1 x:0] 		Platform: kvm
I1224 17:26:53.920628       1 x:0] 		FileAccess: exclusive, overlay: true
I1224 17:26:53.920651       1 x:0] 		Network: sandbox, logging: false
I1224 17:26:53.920657       1 x:0] 		Strace: false, max size: 1024, syscalls: []
I1224 17:26:53.920662       1 x:0] ***************************
I1224 17:26:53.921122       1 x:0] Setting up sandbox chroot in "/tmp"
I1224 17:26:54.027709       1 x:0] Mounting "proc" at "/tmp/proc"
I1224 17:26:54.270709       1 x:0] Execve "/proc/self/exe" again, bye!
I1224 17:26:54.312560       1 x:0] ***************************
I1224 17:26:54.312607       1 x:0] Args: [runsc-sandbox --root=/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root --debug=true --log= --log-format=text --debug-log= --debug-log-format=text --file-access=exclusive --overlay=true --fsgofer-host-uds=false --network=sandbox --log-packets=false --platform=kvm --strace=false --strace-syscalls= --strace-log-size=1024 --watchdog-action=Panic --panic-signal=-1 --profile=false --net-raw=false --num-network-channels=1 --rootless=false --alsologtostderr=true --ref-leak-mode=disabled --gso=true --software-gso=true --overlayfs-stale-read=false --panic-signal=15 boot --bundle=/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/instance-2/bundle --controller-fd=3 --mounts-fd=4 --spec-fd=5 --start-sync-fd=6 --io-fds=7 --device-fd=8 --stdio-fds=9 --stdio-fds=10 --stdio-fds=11 --pidns=true ci-gvisor-kvm-proxy-overlay-sandbox-test-1]
I1224 17:26:54.312669       1 x:0] Version release-20191213.0-48-ge013c48c78c9
I1224 17:26:54.312677       1 x:0] PID: 1
I1224 17:26:54.312685       1 x:0] UID: 65534, GID: 65534
I1224 17:26:54.312715       1 x:0] Configuration:
I1224 17:26:54.313013       1 x:0] 		RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/gvisor_root
I1224 17:26:54.313018       1 x:0] 		Platform: kvm
I1224 17:26:54.313022       1 x:0] 		FileAccess: exclusive, overlay: true
I1224 17:26:54.313043       1 x:0] 		Network: sandbox, logging: false
I1224 17:26:54.313050       1 x:0] 		Strace: false, max size: 1024, syscalls: []
I1224 17:26:54.313064       1 x:0] ***************************
D1224 17:26:54.315062       1 x:0] Spec: &{Version: Process:0xc0002b1a00 Root:0xc0002bcb40 Hostname: Mounts:[] Hooks:<nil> Annotations:map[] Linux:<nil> Solaris:<nil> Windows:<nil>}
D1224 17:26:54.315141       1 x:0] Spec.Hooks: <nil>
D1224 17:26:54.315146       1 x:0] Spec.Linux: <nil>
D1224 17:26:54.315150       1 x:0] Spec.Process: &{Terminal:false ConsoleSize:<nil> User:{UID:0 GID:0 AdditionalGids:[] Username:} Args:[/init] Env:[SYZ_GVISOR_PROXY=1] Cwd:/tmp Capabilities:0xc00013a300 Rlimits:[] NoNewPrivileges:false ApparmorProfile: OOMScoreAdj:<nil> SelinuxLabel:}
D1224 17:26:54.315184       1 x:0] Spec.Root: &{Path:/syzkaller/managers/kvm-proxy-overlay-sandbox/latest.tmp/workdir/instance-2/image Readonly:true}
D1224 17:26:54.315198       1 x:0] Spec.Mounts: []
I1224 17:26:54.315289       1 x:0] Platform: kvm
I1224 17:26:54.317202       1 x:0] excluded: virtual [7ffece397000,7ffece399000)
I1224 17:26:54.317240       1 x:0] excluded: virtual [7ffece399000,7ffece39b000)
I1224 17:26:54.317278       1 x:0] region: virtual [3f34354d4000,7f35b54d0000)
I1224 17:26:54.317284       1 x:0] region: virtual [7ffece397000,7ffece399000)
I1224 17:26:54.317293       1 x:0] region: virtual [7ffece399000,7ffece39b000)
I1224 17:26:54.317300       1 x:0] physicalRegion: virtual [1000,3f34354d4000) => physical [100001000,3f35354d4000)
I1224 17:26:54.317305       1 x:0] physicalRegion: virtual [7f35b54d0000,7ffece397000) => physical [3f35b54d0000,3ffece397000)
I1224 17:26:54.317311       1 x:0] physicalRegion: virtual [7ffece39b000,7ffffffff000) => physical [3ffece39b000,3ffffffff000)
D1224 17:26:54.423848       1 x:0] The maximum number of vCPUs is 288.
runtime: failed to create new OS thread (have 7 already; errno=11)
runtime: may need to increase max user processes (ulimit -u)
fatal error: newosproc

runtime stack:
runtime.throw(0xdb3712, 0x9)
	GOROOT/src/runtime/panic.go:774 +0x72
runtime.newosproc(0xc0000fa380)
	GOROOT/src/runtime/os_linux.go:153 +0x1ba
runtime.newm1(0xc0000fa380)
	GOROOT/src/runtime/proc.go:1853 +0xdc
runtime.newm(0xde4b78, 0xc000034000)
	GOROOT/src/runtime/proc.go:1832 +0x8f
runtime.startm(0x0, 0xc000036501)
	GOROOT/src/runtime/proc.go:1969 +0x12a
runtime.wakep(...)
	GOROOT/src/runtime/proc.go:2050
runtime.resetspinning()
	GOROOT/src/runtime/proc.go:2430 +0x93
runtime.schedule()
	GOROOT/src/runtime/proc.go:2531 +0x2a0
runtime.park_m(0xc000001980)
	GOROOT/src/runtime/proc.go:2610 +0x9d
runtime.mcall(0x0)
	src/runtime/asm_amd64.s:318 +0x5b

goroutine 1 [runnable]:
reflect.Value.NumField(0xd03a00, 0xc00044e018, 0x199, 0xc0a701)
	GOROOT/src/reflect/value.go:1355 +0xc4
gvisor.dev/gvisor/pkg/tcpip.fillIn(0xd03a00, 0xc00044e018, 0x199)
	pkg/tcpip/tcpip.go:1147 +0x58
gvisor.dev/gvisor/pkg/tcpip.fillIn(0xd35640, 0xc00044e000, 0x199)
	pkg/tcpip/tcpip.go:1154 +0x16e
gvisor.dev/gvisor/pkg/tcpip.Stats.FillIn(0xc0000cef00, 0xc0000cef08, 0xc0000cef10, 0xc0000cef18, 0xc0000cef20, 0xc0000cef28, 0xc0000cef30, 0xc0000cef38, 0xc0000cef40, 0xc0000cef48, ...)
	pkg/tcpip/tcpip.go:1161 +0x131
gvisor.dev/gvisor/pkg/tcpip/stack.New(0xc000410030, 0x3, 0x3, 0xc000410060, 0x3, 0x3, 0xed8200, 0xc000243ba0, 0xc0000cef00, 0xc0000cef08, ...)
	pkg/tcpip/stack/stack.go:544 +0x1dc
gvisor.dev/gvisor/runsc/boot.newEmptyNetworkStack(0xc000277200, 0xed8200, 0xc000243ba0, 0xed1f80, 0xc000243ba0, 0x0, 0x0, 0xc1b900, 0xc0002bd201)
	runsc/boot/loader.go:908 +0x3b3
gvisor.dev/gvisor/runsc/boot.New(0x7ffece381fbe, 0x2a, 0xc0002350a0, 0xc000277200, 0x3, 0xc00000e900, 0xc0000cfb58, 0x1, 0x1, 0xc0000d1a40, ...)
	runsc/boot/loader.go:228 +0x76c
gvisor.dev/gvisor/runsc/cmd.(*Boot).Execute(0xc0001ac2d0, 0xee3540, 0xc0000ce008, 0xc00027a540, 0xc000222d60, 0x2, 0x2, 0x0)
	runsc/cmd/boot.go:226 +0xaa6
github.com/google/subcommands.(*Commander).Execute(0xc00013a000, 0xee3540, 0xc0000ce008, 0xc000222d60, 0x2, 0x2, 0x0)
	external/com_github_google_subcommands/subcommands.go:200 +0x2f9
github.com/google/subcommands.Execute(...)
	external/com_github_google_subcommands/subcommands.go:481
main.main()
	runsc/main.go:318 +0x1754

goroutine 4 [syscall]:
os/signal.signal_recv(0x0)
	GOROOT/src/runtime/sigqueue.go:147 +0x9c
os/signal.loop()
	GOROOT/src/os/signal/signal_unix.go:23 +0x22
created by os/signal.init.0
	GOROOT/src/os/signal/signal_unix.go:29 +0x41

goroutine 5 [sync.Cond.Wait]:
runtime.goparkunlock(...)
	GOROOT/src/runtime/proc.go:310
sync.runtime_notifyListWait(0xc00027e948, 0x0)
	GOROOT/src/runtime/sema.go:510 +0xf8
sync.(*Cond).Wait(0xc00027e938)
	GOROOT/src/sync/cond.go:56 +0x9d
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).findReclaimable(0xc00027e500, 0x0, 0x0, 0x0)
	pkg/sentry/pgalloc/pgalloc.go:1090 +0x95
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).runReclaim(0xc00027e500)
	pkg/sentry/pgalloc/pgalloc.go:1019 +0x6a
created by gvisor.dev/gvisor/pkg/sentry/pgalloc.NewMemoryFile
	pkg/sentry/pgalloc/pgalloc.go:330 +0x1fd

goroutine 34 [runnable]:
gvisor.dev/gvisor/pkg/sentry/kernel.(*Timekeeper).startUpdater.func1(0xc000412000, 0xc0004140a0)
	pkg/sentry/kernel/timekeeper.go:184
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Timekeeper).startUpdater
	pkg/sentry/kernel/timekeeper.go:184 +0xbf
D1224 17:26:55.811814   29100 x:0] Destroy sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-test-1"
D1224 17:26:55.811856   29100 x:0] Killing sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-test-1"
W1224 17:26:55.937048   29100 x:0] error destroying sandbox: <nil>
D1224 17:26:55.937243   29100 x:0] Destroy container "ci-gvisor-kvm-proxy-overlay-sandbox-test-1"
D1224 17:26:55.937594   29100 x:0] Killing gofer for container "ci-gvisor-kvm-proxy-overlay-sandbox-test-1", PID: 32352
W1224 17:26:56.244429   29100 x:0] FATAL ERROR: running container: creating container: waiting for sandbox to start: EOF
running container: creating container: waiting for sandbox to start: EOF
W1224 17:26:56.244568   29100 x:0] Failure to execute command, err: 1