W0204 04:47:49.283745   29503 error.go:48] FATAL ERROR: executing processes for container: executing command "/syz-fuzzer -executor=/syz-executor -name=vm-1 -arch=amd64 -manager=stdin -sandbox=none -procs=4 -cover=false -debug=false -test=false -optional=slowdown=1" in sandbox: urpc method "containerManager.ExecuteAsync" failed: EOF
executing processes for container: executing command "/syz-fuzzer -executor=/syz-executor -name=vm-1 -arch=amd64 -manager=stdin -sandbox=none -procs=4 -cover=false -debug=false -test=false -optional=slowdown=1" in sandbox: urpc method "containerManager.ExecuteAsync" failed: EOF
W0204 04:47:49.283928   29503 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=0xf8b33e]

goroutine 452 [running]:
panic(0x175a9c0, 0x22c5280)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0000329d8 sp=0xc000032920 pc=0x439990
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:212
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:720 +0x413 fp=0xc000032a08 sp=0xc0000329d8 pc=0x451e53
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Kernel(...)
	pkg/sentry/kernel/task.go:642
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef.func1()
	pkg/sentry/socket/unix/unix_vfs2.go:99 +0x9e fp=0xc000032a78 sp=0xc000032a08 pc=0xf8b33e
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketVFS2Refs).DecRef(0xc000824070, 0xc000032b00)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/socket/unix/socket_vfs2_refs.go:123 +0x7d fp=0xc000032af0 sp=0xc000032a78 pc=0xf7f21d
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef(0xc000824000, 0x1ac46a0, 0xc00068eb20)
	pkg/sentry/socket/unix/unix_vfs2.go:97 +0x7f fp=0xc000032b30 sp=0xc000032af0 pc=0xf85f1f
gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).Release(0xc000824000, 0x1ac46a0, 0xc00068eb20)
	pkg/sentry/socket/unix/unix_vfs2.go:111 +0x4d fp=0xc000032b58 sp=0xc000032b30 pc=0xf85f8d
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1()
	pkg/sentry/vfs/file_description.go:194 +0x373 fp=0xc000032c78 sp=0xc000032b58 pc=0xa2e933
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc000824000, 0xc000032d00)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/vfs/file_description_refs.go:123 +0x7d fp=0xc000032cf0 sp=0xc000032c78 pc=0xa01abd
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc000824000, 0x1ac46a0, 0xc00068eb20)
	pkg/sentry/vfs/file_description.go:163 +0x77 fp=0xc000032d30 sp=0xc000032cf0 pc=0x9f89b7
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).dropVFS2(0xc0003c75c0, 0x1ac46a0, 0xc00068eb20, 0xc000824000)
	pkg/sentry/kernel/fd_table.go:163 +0xe5 fp=0xc000032db0 sp=0xc000032d30 pc=0xcfdd25
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).RemoveIf(0xc0003c75c0, 0x1ac46a0, 0xc00068eb20, 0x1931250)
	pkg/sentry/kernel/fd_table.go:664 +0x225 fp=0xc000032e70 sp=0xc000032db0 pc=0xd00905
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef.func1()
	pkg/sentry/kernel/fd_table.go:178 +0x65 fp=0xc000032ea8 sp=0xc000032e70 pc=0xd8be45
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTableRefs).DecRef(0xc0003c75c0, 0xc000032f30)
	bazel-out/k8-fastbuild-ST-d17813c235ce/bin/pkg/sentry/kernel/fd_table_refs.go:123 +0x7d fp=0xc000032f20 sp=0xc000032ea8 pc=0xd0105d
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef(0xc0003c75c0, 0x1ac46a0, 0xc00068eb20)
	pkg/sentry/kernel/fd_table.go:177 +0x77 fp=0xc000032f60 sp=0xc000032f20 pc=0xcfe017
gvisor.dev/gvisor/pkg/sentry/control.(*Proc).execAsync(0xc000033708, 0xc000522300, 0x0, 0x0, 0x0, 0x0, 0x1a93ba0, 0xc0004f4220)
	pkg/sentry/control/proc.go:222 +0xe93 fp=0xc000033428 sp=0xc000032f60 pc=0x1048b73
gvisor.dev/gvisor/pkg/sentry/control.ExecAsync(0xc00080b708, 0xc000522300, 0xc000335600, 0xc000000000, 0xc0002cc060, 0x1, 0x1, 0xc00068eae0)
	pkg/sentry/control/proc.go:133 +0x4d fp=0xc0000334a8 sp=0xc000033428 pc=0x1047c2d
gvisor.dev/gvisor/runsc/boot.(*Loader).executeAsync(0xc0002b2160, 0xc000522300, 0xc000000000, 0x0, 0x0)
	runsc/boot/loader.go:972 +0x885 fp=0xc000033898 sp=0xc0000334a8 pc=0x14ae805
gvisor.dev/gvisor/runsc/boot.(*containerManager).ExecuteAsync(0xc00000e120, 0xc000522300, 0xc0005811ec, 0x0, 0x0)
	runsc/boot/controller.go:321 +0x168 fp=0xc000033910 sp=0xc000033898 pc=0x1492788
runtime.call64(0xc0003c7380, 0xc000010140, 0xc0003c7590, 0x1800000028)
	src/runtime/asm_amd64.s:541 +0x3e fp=0xc000033960 sp=0xc000033910 pc=0x47355e
reflect.Value.call(0xc000192720, 0xc000010140, 0x13, 0x18ed762, 0x4, 0xc0006c9e60, 0x3, 0x3, 0x1ad0701, 0xc0005811ec, ...)
	GOROOT/src/reflect/value.go:475 +0x9aa fp=0xc000033ba0 sp=0xc000033960 pc=0x50220a
reflect.Value.Call(0xc000192720, 0xc000010140, 0x13, 0xc0006c9e60, 0x3, 0x3, 0x0, 0xc00000e120, 0x16)
	GOROOT/src/reflect/value.go:336 +0xd9 fp=0xc000033c38 sp=0xc000033ba0 pc=0x501539
gvisor.dev/gvisor/pkg/urpc.(*Server).handleOne(0xc0005981e0, 0xc000177ec0, 0x0, 0x0)
	pkg/urpc/urpc.go:337 +0x692 fp=0xc000033f08 sp=0xc000033c38 pc=0xfe26d2
gvisor.dev/gvisor/pkg/urpc.(*Server).handleRegistered(0xc0005981e0, 0xc000177ec0, 0x100000001, 0xc000464180)
	pkg/urpc/urpc.go:432 +0x45 fp=0xc000033f48 sp=0xc000033f08 pc=0xfe3965
gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling.func1(0xc0005981e0, 0xc000177ec0)
	pkg/urpc/urpc.go:452 +0x90 fp=0xc000033fd0 sp=0xc000033f48 pc=0xfe5cd0
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000033fd8 sp=0xc000033fd0 pc=0x474ee1
created by gvisor.dev/gvisor/pkg/urpc.(*Server).StartHandling
	pkg/urpc/urpc.go:450 +0x71