panic: WARNING: circular locking detected: stack.packetsPendingLinkResolutionMutex -> stack.routeRWMutex: goroutine 2411 [running]: gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc00002e2f0, 0xc0019767b8) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x1dc gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc00002e360, 0xc00002e2d0, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:98 +0x373 gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc00002e360, 0xffffffffffffffff) pkg/sync/locking/lockdep.go:126 +0x28c gvisor.dev/gvisor/pkg/tcpip/stack.(*routeRWMutex).RLock(0xc000a644b0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/tcpip/stack/route_mutex.go:59 +0x45 gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).resolvedFields(0xc000a64460, 0x0) pkg/tcpip/stack/route.go:379 +0x91 gvisor.dev/gvisor/pkg/tcpip/stack.(*packetsPendingLinkResolution).enqueue(0xc001134798, 0x10?, {0xc000a241a0?}) pkg/tcpip/stack/pending_packets.go:128 +0xac gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).WritePacket(0xc001134600, 0x5b4?, {0xc0002d0930?}) pkg/tcpip/stack/nic.go:368 +0x145 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).writePacket(0xc0008b2900, 0xc000a64460, {0x10?}, 0x43c579?, 0x0) pkg/tcpip/network/ipv6/ipv6.go:863 +0x409 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).WritePacket(0xc0008b2900, 0xc000a64460, {0x86dd?, 0x0?, 0x0?}, {0x1135205?}) pkg/tcpip/network/ipv6/ipv6.go:814 +0x2d8 gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).WritePacket(0xc000a64460, {0x610270?, 0xc0?, 0x0?}, {0x86dd?}) pkg/tcpip/stack/route.go:498 +0xf9 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).returnError(0xc000ccf6c0, {0x78f3e8, 0xc0009d6d34}, {0x18?}, 0x1) pkg/tcpip/network/ipv6/icmp.go:1194 +0xed0 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processIPv6HopByHopOptionsExtHdr(0xc0008b2900, 0xc000bfcd00, 0xc0002d07e0, {0xc000c2a660?}, {0xc000b71cc8, 0x10}, 0xc000b720a0, 0x0, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1679 +0x7aa gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeader(0xc0008b2900, 0xc0002d07e0, 0xc000b72178, {0xc0004ce44e, 0x28, 0x32}, 0xc000b720a0, 0xc000b72046, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1368 +0x352 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc000b72198?, {0xc0004ce44e, 0x28, 0x32}, {0xc0000023c0}, 0x50?) pkg/tcpip/network/ipv6/ipv6.go:1440 +0x3b2 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc0008b2900, {0xc0004ce44e, 0x28, 0x32}, {0x23?}, {0xc00043c579, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1329 +0x156 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc0008b2900, {0xc0004ce44e, 0x28, 0x32}, {0xc00043c579?}, {0xc00043c579, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1291 +0x485 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0008b2900, {0xc00117d400?}) pkg/tcpip/network/ipv6/ipv6.go:1092 +0x68c gvisor.dev/gvisor/pkg/tcpip/stack.(*groDispatcher).dispatch(0xc001134818, {0xc000610270?}, 0x86dd, {0x79bd28, 0xc0008b2900}) pkg/tcpip/stack/gro.go:297 +0x899 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc001134600, 0x86dd, {0x1?}) pkg/tcpip/stack/nic.go:741 +0x1cc gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc0008630e0, 0x1a90c0b?, {0xe?}) pkg/tcpip/link/nested/nested.go:59 +0x99 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc0008630e0, 0x1?, {0xc000e8ad00?}) 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(0xc000a6a5a8, 0xc0006da870) pkg/tcpip/link/tun/device.go:249 +0xde6 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc000a6a540, {0x79d238?, 0xc001651500}, {{0x797d98, 0xc00177b000}, {0x0, 0x1, 0x20002e40, 0xce}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:164 +0x3b6 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000a6a540, {0x79d238, 0xc001651500}, {{0x797d98, 0xc00177b000}, {0x0, 0x1, 0x20002e40, 0xce}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:674 +0x125 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0x2da120?, 0xc000a6a540, {{0x797d98, 0xc00177b000}, {0x0, 0x1, 0x20002e40, 0xce}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x9d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc001651500, {{0xc8}, {0x20002e40}, {0xce}, {0xce}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x2a8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001651500, 0x1, {{0xc8}, {0x20002e40}, {0xce}, {0xce}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9b9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001651500, 0x0?, {{0xc8}, {0x20002e40}, {0xce}, {0xce}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0017b8ea0?, 0xc000a92960?, {{0xc8}, {0x20002e40}, {0xce}, {0xce}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001651500) pkg/sentry/kernel/task_syscall.go:257 +0x4c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001651500?, 0xc001651500) pkg/sentry/kernel/task_run.go:253 +0x1965 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001651500, 0xa7) 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