panic: WARNING: circular locking detected: fasync.fileMutex -> kernel.taskSetRWMutex:
goroutine 307 [running]:
gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0003ae020, 0xc0001ec610)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:440 +0x1dc
gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0003aea20, 0xc0003ae000, {0xc0003f8960, 0x2, 0x2})
	pkg/sync/locking/lockdep.go:112 +0x48d
gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc0002c1cf0?, 0xc0001ec738?)
	pkg/sync/locking/lockdep.go:115 +0x65
gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0002c1cd0, 0xc0001ec848)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:440 +0x1dc
gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0003aea20, 0xc0002c1cb0, {0xc00027c160, 0x1, 0x1})
	pkg/sync/locking/lockdep.go:112 +0x48d
gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc0003aee50?, 0xc0001ec970?)
	pkg/sync/locking/lockdep.go:115 +0x65
gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0003aee30, 0xc0001eca80)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:440 +0x1dc
gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0003aea20, 0xc0003aee10, {0x0, 0x0, 0x0})
	pkg/sync/locking/lockdep.go:112 +0x48d
gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc0003aea20, 0xffffffffffffffff)
	pkg/sync/locking/lockdep.go:144 +0x2dc
gvisor.dev/gvisor/pkg/sentry/kernel.(*taskSetRWMutex).RLock(0xc00022c1c0)
	bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/kernel/taskset_mutex.go:59 +0x45
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).Leader(0xc00055a800)
	pkg/sentry/kernel/threads.go:403 +0x6b
gvisor.dev/gvisor/pkg/sentry/kernel/fasync.(*FileAsync).NotifyEvent(0xc00081ca10, 0x41)
	pkg/sentry/kernel/fasync/fasync.go:101 +0x1a5
gvisor.dev/gvisor/pkg/waiter.(*Queue).Notify(0xc000840900, 0x41)
	pkg/waiter/waiter.go:238 +0xae
gvisor.dev/gvisor/pkg/tcpip/transport/packet.(*endpoint).HandlePacket(0xc0004c61c0, 0x1, 0x800, 0xc00029c3c0)
	pkg/tcpip/transport/packet/endpoint.go:473 +0x6af
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverLinkPacket.func2({0x8261a0, 0xc0004c61c0})
	pkg/tcpip/stack/nic.go:772 +0x31e
gvisor.dev/gvisor/pkg/tcpip/stack.(*packetEndpointList).forEach(0xc0008409c0, 0xc0001edce8)
	pkg/tcpip/stack/nic.go:130 +0x122
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverLinkPacket(0xc000b80000, 0x800, 0xc00029c280)
	pkg/tcpip/stack/nic.go:787 +0x236
gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverLinkPacket(0xc000418370, 0x1a95f45?, 0x0?)
	pkg/tcpip/link/nested/nested.go:69 +0x99
gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).WritePackets(0xc000418370, {{0xc00027c140, 0x1, 0x1}})
	pkg/tcpip/link/packetsocket/packetsocket.go:52 +0x9f
gvisor.dev/gvisor/pkg/tcpip/stack.(*delegatingQueueingDiscipline).WritePacket(0xc0009014d0, 0x1321045?)
	pkg/tcpip/stack/nic.go:146 +0x98
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).writeRawPacket(0xc000b80000, 0xc00029c280)
	pkg/tcpip/stack/nic.go:392 +0x85
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).writePacket(0xc000b80000, 0x0?)
	pkg/tcpip/stack/nic.go:386 +0x5a
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).WritePacket(0xc000b80000, 0xc00000ffde?, 0xc00029c280)
	pkg/tcpip/stack/nic.go:347 +0x206
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).writePacketPostRouting(0xc0001f4d00, 0xc0005d83c0, 0xc00029c280, 0x0)
	pkg/tcpip/network/ipv4/ipv4.go:588 +0x4db
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).writePacket(0xc0001f4d00, 0x0?, 0x4?)
	pkg/tcpip/network/ipv4/ipv4.go:538 +0x2d4
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).WritePacket(0x30f320?, 0xc0005d83c0, {0x800?, 0x0?, 0x0?}, 0x0?)
	pkg/tcpip/network/ipv4/ipv4.go:506 +0x1a5
gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).WritePacket(0xc0005d83c0, {0x6439d8?, 0xc0?, 0x0?}, 0x1c1c520?)
	pkg/tcpip/stack/route.go:495 +0xf9
gvisor.dev/gvisor/pkg/tcpip/transport/internal/network.(*WriteContext).WritePacket(0xc0001ee928, 0xc00029c280, 0x0)
	pkg/tcpip/transport/internal/network/endpoint.go:320 +0x1ed
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc000643880, {0x831970?, 0xc00016d400}, {0xc0004cc3c0, 0x0, 0x1, 0x0, {0x0, 0x0, 0x0, ...}})
	pkg/tcpip/transport/raw/endpoint.go:385 +0x8d5
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc000643880, {0x831970, 0xc00016d400}, {0xc0004cc3c0, 0x0, 0x1, 0x0, {0x0, 0x0, 0x0, ...}})
	pkg/tcpip/transport/raw/endpoint.go:320 +0x1a5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SendMsg(0xc0006c63c0, 0xc0004f6a80, {{0x83c230, 0xc00072a000}, {0x0, 0x0, 0x0, 0x0}, {0x0, 0x1}}, ...)
	pkg/sentry/socket/netstack/netstack.go:2942 +0x896
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.sendSingleMsg(0xc0004f6a80, {0x853110, 0xc0006c63c0}, 0x1002c6b60?, 0xa005ab450?, 0x4080)
	pkg/sentry/syscalls/linux/sys_socket.go:1111 +0x664
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SendMMsg(0xc0004f6a80, 0x131f459?, {{0x3}, {0x20005340}, {0x1}, {0x4080}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_socket.go:1035 +0x4df
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0004f6a80, 0x133, {{0x3}, {0x20005340}, {0x1}, {0x4080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x9c2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0004f6a80, 0x0?, {{0x3}, {0x20005340}, {0x1}, {0x4080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x7d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000344340?, 0xc0005c24b0?, {{0x3}, {0x20005340}, {0x1}, {0x4080}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x8f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0004f6a80)
	pkg/sentry/kernel/task_syscall.go:257 +0x4c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0004f6a80?, 0xc0004f6a80)
	pkg/sentry/kernel/task_run.go:269 +0x1d4b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0004f6a80, 0x8)
	pkg/sentry/kernel/task_run.go:98 +0x41b
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x1ad