W0206 22:16:45.710097   95805 error.go:48] FATAL ERROR: executing processes for container: executing command "/syz-fuzzer -executor=/syz-executor -name=vm-0 -arch=amd64 -manager=stdin -sandbox=none -procs=1 -cover=true -debug=false -test=false -optional=slowdown=10" in sandbox: urpc method "containerManager.ExecuteAsync" failed: EOF
executing processes for container: executing command "/syz-fuzzer -executor=/syz-executor -name=vm-0 -arch=amd64 -manager=stdin -sandbox=none -procs=1 -cover=true -debug=false -test=false -optional=slowdown=10" in sandbox: urpc method "containerManager.ExecuteAsync" failed: EOF
W0206 22:16:45.710351   95805 main.go:245] Failure to execute command, err: 1
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x10bd3ac]

goroutine 467 [running]:
panic(0x18f4be0, 0x2478280)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc00091c9d8 sp=0xc00091c920 pc=0x439990
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:212
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:720 +0x413 fp=0xc00091ca08 sp=0xc00091c9d8 pc=0x451e53
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Kernel(...)
	pkg/sentry/kernel/task.go:660
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef.func1()
	pkg/sentry/socket/unix/unix_vfs2.go:112 +0xac fp=0xc00091ca78 sp=0xc00091ca08 pc=0x10bd3ac
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketVFS2Refs).DecRef(0xc000320730, 0xc00091cb00)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/socket/unix/socket_vfs2_refs.go:145 +0xf1 fp=0xc00091cae8 sp=0xc00091ca78 pc=0x10af8f1
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef(0xc0003206c0, 0x1c3d9c0, 0xc00000f540)
	pkg/sentry/socket/unix/unix_vfs2.go:109 +0x97 fp=0xc00091cb30 sp=0xc00091cae8 pc=0x10b76f7
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).Release(0xc0003206c0, 0x1c3d9c0, 0xc00000f540)
	pkg/sentry/socket/unix/unix_vfs2.go:126 +0x67 fp=0xc00091cb58 sp=0xc00091cb30 pc=0x10b7787
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1()
	pkg/sentry/vfs/file_description.go:210 +0x413 fp=0xc00091cc70 sp=0xc00091cb58 pc=0xa91d73
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc0003206c0, 0xc00091ccf8)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/vfs/file_description_refs.go:145 +0xf1 fp=0xc00091cce0 sp=0xc00091cc70 pc=0xa5b391
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc0003206c0, 0x1c3d9c0, 0xc00000f540)
	pkg/sentry/vfs/file_description.go:170 +0x93 fp=0xc00091cd28 sp=0xc00091cce0 pc=0xa50bd3
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).dropVFS2(0xc0005a1980, 0x1c3d9c0, 0xc00000f540, 0xc0003206c0)
	pkg/sentry/kernel/fd_table.go:191 +0xf0 fp=0xc00091cda8 sp=0xc00091cd28 pc=0xdc9290
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).RemoveIf(0xc0005a1980, 0x1c3d9c0, 0xc00000f540, 0x1ada4c0)
	pkg/sentry/kernel/fd_table.go:853 +0x2da fp=0xc00091ce78 sp=0xc00091cda8 pc=0xdccc3a
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef.func1()
	pkg/sentry/kernel/fd_table.go:209 +0x9a fp=0xc00091cec8 sp=0xc00091ce78 pc=0xe7099a
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTableRefs).DecRef(0xc0005a1980, 0xc00091cf50)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/kernel/fd_table_refs.go:145 +0xf1 fp=0xc00091cf38 sp=0xc00091cec8 pc=0xdcd551
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef(0xc0005a1980, 0x1c3d9c0, 0xc00000f540)
	pkg/sentry/kernel/fd_table.go:207 +0x93 fp=0xc00091cf80 sp=0xc00091cf38 pc=0xdc95d3
gvisor.dev/gvisor/pkg/sentry/control.(*Proc).execAsync(0xc00091d6e8, 0xc000320600, 0x0, 0xc000000000, 0x0, 0x0, 0x1c0ee80, 0xc000152c20)
	pkg/sentry/control/proc.go:257 +0xee4 fp=0xc00091d408 sp=0xc00091cf80 pc=0x118fe84
gvisor.dev/gvisor/pkg/sentry/control.ExecAsync(0xc0009156e8, 0xc000320600, 0xc000000001, 0xc000000000, 0xc00051c9e0, 0x1, 0x1, 0xc00000f500)
	pkg/sentry/control/proc.go:146 +0x65 fp=0xc00091d488 sp=0xc00091d408 pc=0x118eee5
gvisor.dev/gvisor/runsc/boot.(*Loader).executeAsync(0xc00023e000, 0xc000320600, 0xc000000000, 0x0, 0x0)
	runsc/boot/loader.go:972 +0x845 fp=0xc00091d848 sp=0xc00091d488 pc=0x1648865
gvisor.dev/gvisor/runsc/boot.(*containerManager).ExecuteAsync(0xc0005a65c0, 0xc000320600, 0xc00051ec2c, 0x0, 0x0)
	runsc/boot/controller.go:321 +0x168 fp=0xc00091d8c0 sp=0xc00091d848 pc=0x162e1a8
runtime.call64(0xc0005a18c0, 0xc0000100e8, 0xc0005a1950, 0x1800000028)
	src/runtime/asm_amd64.s:541 +0x3e fp=0xc00091d910 sp=0xc00091d8c0 pc=0x47355e
reflect.Value.call(0xc000598960, 0xc0000100e8, 0x13, 0x1a87c62, 0x4, 0xc000915e60, 0x3, 0x3, 0x1c49901, 0xc00051ec2c, ...)
	GOROOT/src/reflect/value.go:475 +0x9aa fp=0xc00091db50 sp=0xc00091d910 pc=0x50220a
reflect.Value.Call(0xc000598960, 0xc0000100e8, 0x13, 0xc000915e60, 0x3, 0x3, 0x0, 0xc0005a65c0, 0x16)
	GOROOT/src/reflect/value.go:336 +0xd9 fp=0xc00091dbe8 sp=0xc00091db50 pc=0x501539
gvisor.dev/gvisor/pkg/urpc.(*Server).handleOne(0xc00024c9b0, 0xc00046e090, 0x0, 0x0)
	pkg/urpc/urpc.go:383 +0x76f fp=0xc00091df08 sp=0xc00091dbe8 pc=0x111a08f
gvisor.dev/gvisor/pkg/urpc.(*Server).handleRegistered(0xc00024c9b0, 0xc00046e090, 0x100000004, 0xc000663260)
	pkg/urpc/urpc.go:499 +0x77 fp=0xc00091df48 sp=0xc00091df08 pc=0x111b637
gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc00024c9b0, 0xc00046e090)
	pkg/urpc/urpc.go:523 +0xa8 fp=0xc00091dfd0 sp=0xc00091df48 pc=0x111e0e8
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00091dfd8 sp=0xc00091dfd0 pc=0x474ee1
created by gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:520 +0x8b