panic: WARNING: circular locking detected: stack.packetsPendingLinkResolutionMutex -> stack.routeRWMutex: goroutine 129426 [running]: gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0002562f0, 0xc001122878) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x1dc gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000256360, 0xc0002562d0, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:98 +0x373 gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000256360, 0xffffffffffffffff) pkg/sync/locking/lockdep.go:126 +0x28c gvisor.dev/gvisor/pkg/tcpip/stack.(*routeRWMutex).RLock(0xc0001d0af0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/tcpip/stack/route_mutex.go:59 +0x45 gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).resolvedFields(0xc0001d0aa0, 0x0) pkg/tcpip/stack/route.go:379 +0x91 gvisor.dev/gvisor/pkg/tcpip/stack.(*packetsPendingLinkResolution).enqueue(0xc000e92798, 0x10?, {0xc003b580a0?}) pkg/tcpip/stack/pending_packets.go:128 +0xac gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).WritePacket(0xc000e92600, 0x5b4?, {0xc002401cb0?}) pkg/tcpip/stack/nic.go:368 +0x145 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).writePacket(0xc000a30900, 0xc0001d0aa0, {0x10?}, 0x1a92e9?, 0x0) pkg/tcpip/network/ipv6/ipv6.go:863 +0x409 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).WritePacket(0xc000a30900, 0xc0001d0aa0, {0x86dd?, 0x0?, 0x0?}, {0x1135205?}) pkg/tcpip/network/ipv6/ipv6.go:814 +0x2d8 gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).WritePacket(0xc0001d0aa0, {0x78c990?, 0xc0?, 0x0?}, {0x86dd?}) pkg/tcpip/stack/route.go:498 +0xf9 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).returnError(0xc000649040, {0x78f3e8, 0xc003b58084}, {0x10ca625?}, 0x1) pkg/tcpip/network/ipv6/icmp.go:1194 +0xed0 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processIPv6RawPayloadHeader(0xc000a30900, 0xc000d03db8, 0x10?, {0xc000dad560?}, 0xc000dad560?, 0x0, 0xc0?) pkg/tcpip/network/ipv6/ipv6.go:1519 +0x3f0 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeader(0xc000a30900, 0xc002401bf0, 0xc000d04178, {0xc00a38378e, 0x28, 0x32}, 0xc000d040a0, 0xc000d04046, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1395 +0x4cc gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc00983def8?, {0xc00a38378e, 0x28, 0x32}, {0xc006dc8500}, 0xe0?) pkg/tcpip/network/ipv6/ipv6.go:1440 +0x3b2 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc000a30900, {0xc00a38378e, 0x28, 0x32}, {0x33?}, {0xc0001a92e9, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1329 +0x156 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc000a30900, {0xc00a38378e, 0x28, 0x32}, {0xc0001a92e9?}, {0xc0001a92e9, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1308 +0x2fb gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc000a30900, {0xc006168000?}) pkg/tcpip/network/ipv6/ipv6.go:1092 +0x68c gvisor.dev/gvisor/pkg/tcpip/stack.(*groDispatcher).dispatch(0xc000e92818, {0xc00078c990?}, 0x86dd, {0x79bd28, 0xc000a30900}) pkg/tcpip/stack/gro.go:297 +0x899 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc000e92600, 0x86dd, {0x1?}) pkg/tcpip/stack/nic.go:741 +0x1cc gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc00036a640, 0x1a90c0b?, {0xe?}) pkg/tcpip/link/nested/nested.go:59 +0x99 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc00036a640, 0x1?, {0xc007f4f400?}) pkg/tcpip/link/packetsocket/packetsocket.go:46 +0x59 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(...) pkg/tcpip/link/channel/channel.go:194 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc000a18d28, 0xc00907ca80) pkg/tcpip/link/tun/device.go:249 +0xde6 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc000a18cc0, {0x79d238?, 0xc0065b8000}, {{0x797d98, 0xc0083b4000}, {0x0, 0x1, 0x20000440, 0x82}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:164 +0x3b6 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000a18cc0, {0x79d238, 0xc0065b8000}, {{0x797d98, 0xc0083b4000}, {0x0, 0x1, 0x20000440, 0x82}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:674 +0x125 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0x2da120?, 0xc000a18cc0, {{0x797d98, 0xc0083b4000}, {0x0, 0x1, 0x20000440, 0x82}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc0065b8000, {{0xc8}, {0x20000440}, {0x82}, {0x82}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x2a8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0065b8000, 0x1, {{0xc8}, {0x20000440}, {0x82}, {0x82}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9b9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0065b8000, 0x0?, {{0xc8}, {0x20000440}, {0x82}, {0x82}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001935ad0?, 0xc00503ca50?, {{0xc8}, {0x20000440}, {0x82}, {0x82}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0065b8000) pkg/sentry/kernel/task_syscall.go:257 +0x4c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0065b8000?, 0xc0065b8000) pkg/sentry/kernel/task_run.go:253 +0x1965 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0065b8000, 0x197d) pkg/sentry/kernel/task_run.go:94 +0x3a2 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1ad