W0204 05:24:08.169062   26961 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
W0204 05:24:08.169361   26961 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=0x10bdf6c]

goroutine 682 [running]:
panic(0x18fac60, 0x247f280)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000a8c9d8 sp=0xc000a8c920 pc=0x439990
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:212
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:720 +0x413 fp=0xc000a8ca08 sp=0xc000a8c9d8 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=0xc000a8ca78 sp=0xc000a8ca08 pc=0x10bdf6c
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketVFS2Refs).DecRef(0xc00057e1f0, 0xc000a8cb00)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/socket/unix/socket_vfs2_refs.go:145 +0xf1 fp=0xc000a8cae8 sp=0xc000a8ca78 pc=0x10b04b1
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef(0xc00057e180, 0x1c440a0, 0xc0004aba20)
	pkg/sentry/socket/unix/unix_vfs2.go:109 +0x97 fp=0xc000a8cb30 sp=0xc000a8cae8 pc=0x10b82b7
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).Release(0xc00057e180, 0x1c440a0, 0xc0004aba20)
	pkg/sentry/socket/unix/unix_vfs2.go:126 +0x67 fp=0xc000a8cb58 sp=0xc000a8cb30 pc=0x10b8347
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1()
	pkg/sentry/vfs/file_description.go:210 +0x413 fp=0xc000a8cc70 sp=0xc000a8cb58 pc=0xa91d73
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00057e180, 0xc000a8ccf8)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/vfs/file_description_refs.go:145 +0xf1 fp=0xc000a8cce0 sp=0xc000a8cc70 pc=0xa5b391
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00057e180, 0x1c440a0, 0xc0004aba20)
	pkg/sentry/vfs/file_description.go:170 +0x93 fp=0xc000a8cd28 sp=0xc000a8cce0 pc=0xa50bd3
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).dropVFS2(0xc00039df80, 0x1c440a0, 0xc0004aba20, 0xc00057e180)
	pkg/sentry/kernel/fd_table.go:191 +0xf0 fp=0xc000a8cda8 sp=0xc000a8cd28 pc=0xdc94d0
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).RemoveIf(0xc00039df80, 0x1c440a0, 0xc0004aba20, 0x1ae0d68)
	pkg/sentry/kernel/fd_table.go:853 +0x2da fp=0xc000a8ce78 sp=0xc000a8cda8 pc=0xdcce7a
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef.func1()
	pkg/sentry/kernel/fd_table.go:209 +0x9a fp=0xc000a8cec8 sp=0xc000a8ce78 pc=0xe70bda
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTableRefs).DecRef(0xc00039df80, 0xc000a8cf50)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/kernel/fd_table_refs.go:145 +0xf1 fp=0xc000a8cf38 sp=0xc000a8cec8 pc=0xdcd791
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef(0xc00039df80, 0x1c440a0, 0xc0004aba20)
	pkg/sentry/kernel/fd_table.go:207 +0x93 fp=0xc000a8cf80 sp=0xc000a8cf38 pc=0xdc9813
gvisor.dev/gvisor/pkg/sentry/control.(*Proc).execAsync(0xc000a8d6e8, 0xc00057e0c0, 0x0, 0xc000000000, 0x0, 0x0, 0x1c15520, 0xc000219550)
	pkg/sentry/control/proc.go:257 +0xee4 fp=0xc000a8d408 sp=0xc000a8cf80 pc=0x1190a44
gvisor.dev/gvisor/pkg/sentry/control.ExecAsync(0xc000a8d6e8, 0xc00057e0c0, 0xc000000001, 0xc000000000, 0xc0002191c0, 0x1, 0x1, 0xc0004ab9e0)
	pkg/sentry/control/proc.go:146 +0x65 fp=0xc000a8d488 sp=0xc000a8d408 pc=0x118faa5
gvisor.dev/gvisor/runsc/boot.(*Loader).executeAsync(0xc000244000, 0xc00057e0c0, 0xc000000000, 0x0, 0x0)
	runsc/boot/loader.go:972 +0x845 fp=0xc000a8d848 sp=0xc000a8d488 pc=0x164e865
gvisor.dev/gvisor/runsc/boot.(*containerManager).ExecuteAsync(0xc0004aa5c0, 0xc00057e0c0, 0xc000600ebc, 0x0, 0x0)
	runsc/boot/controller.go:321 +0x168 fp=0xc000a8d8c0 sp=0xc000a8d848 pc=0x16341a8
runtime.call64(0xc00039de60, 0xc0000100d8, 0xc00039def0, 0x1800000028)
	src/runtime/asm_amd64.s:541 +0x3e fp=0xc000a8d910 sp=0xc000a8d8c0 pc=0x47355e
reflect.Value.call(0xc000605d40, 0xc0000100d8, 0x13, 0x1a8de02, 0x4, 0xc000a8de60, 0x3, 0x3, 0x1c50001, 0xc000600ebc, ...)
	GOROOT/src/reflect/value.go:475 +0x9aa fp=0xc000a8db50 sp=0xc000a8d910 pc=0x50220a
reflect.Value.Call(0xc000605d40, 0xc0000100d8, 0x13, 0xc000a8de60, 0x3, 0x3, 0x0, 0xc0004aa5c0, 0x16)
	GOROOT/src/reflect/value.go:336 +0xd9 fp=0xc000a8dbe8 sp=0xc000a8db50 pc=0x501539
gvisor.dev/gvisor/pkg/urpc.(*Server).handleOne(0xc000252960, 0xc00019a9f0, 0x0, 0x0)
	pkg/urpc/urpc.go:383 +0x76f fp=0xc000a8df08 sp=0xc000a8dbe8 pc=0x111ac4f
gvisor.dev/gvisor/pkg/urpc.(*Server).handleRegistered(0xc000252960, 0xc00019a9f0, 0x4, 0x0)
	pkg/urpc/urpc.go:499 +0x77 fp=0xc000a8df48 sp=0xc000a8df08 pc=0x111c1f7
gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc000252960, 0xc00019a9f0)
	pkg/urpc/urpc.go:523 +0xa8 fp=0xc000a8dfd0 sp=0xc000a8df48 pc=0x111eca8
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000a8dfd8 sp=0xc000a8dfd0 pc=0x474ee1
created by gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:520 +0x8b