panic: bytes only has space for 6 bytes but need space for 1366 bytes (length = 170) for extension header with id = 253 goroutine 47 gp=0xc0008cc540 m=0 mp=0x2ba9d80 [running]: panic({0x1aed660?, 0xc000043940?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0007402c0 sp=0xc000740210 pc=0x478628 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).nextHeaderData(0xc000c82b70, 0x0, {0xc0002331fa, 0x6, 0x6}) pkg/tcpip/header/ipv6_extension_headers.go:720 +0xb94 fp=0xc000740440 sp=0xc0007402c0 pc=0xdd2b34 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).Next(0xc000c82b70) pkg/tcpip/header/ipv6_extension_headers.go:645 +0x485 fp=0xc000740570 sp=0xc000740440 pc=0xdd1d65 gvisor.dev/gvisor/pkg/tcpip/header/parse.IPv6(0xc00027a140) pkg/tcpip/header/parse/parse.go:97 +0x2fe fp=0xc0007407c0 sp=0xc000740570 pc=0x100579e gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).Parse(0x485216?, 0xc00027a140) pkg/tcpip/network/ipv6/ipv6.go:2661 +0x27 fp=0xc0007407e0 sp=0xc0007407c0 pc=0x10e3347 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc000024480, 0xc00027a140) pkg/tcpip/network/ipv6/ipv6.go:2623 +0x45 fp=0xc000740860 sp=0xc0007407e0 pc=0x10e2fe5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0005fb508, 0xc00027a140) pkg/tcpip/network/ipv6/ipv6.go:1101 +0xfe fp=0xc000740e88 sp=0xc000740860 pc=0x10d4dde gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc0005c2248, 0x86dd, 0xc00027a140) pkg/tcpip/stack/nic.go:774 +0x217 fp=0xc000740f10 sp=0xc000740e88 pc=0xe2cc97 gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc00021ab40, 0x86dd, 0xc00027a140) pkg/tcpip/link/nested/nested.go:61 +0x99 fp=0xc000740f58 sp=0xc000740f10 pc=0x110ecd9 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc00021ab40, 0x86dd, 0xc00027a140) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x4e fp=0xc000740f80 sp=0xc000740f58 pc=0x11114ce gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc0001ae000, 0x86dd, 0xc00027a140) pkg/tcpip/link/channel/channel.go:207 +0x99 fp=0xc000740fc0 sp=0xc000740f80 pc=0x1116819 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc0002f0d28, 0xc000c82870) pkg/tcpip/link/tun/device.go:250 +0xe92 fp=0xc0007411e8 sp=0xc000740fc0 pc=0x111ac52 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc0002f0cc0, {0x1f990c0, 0xc000a21908}, {{0x1f8fb18, 0xc0006ca008}, {0x0, 0x1, 0x20000dc0, 0x46}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x3c5 fp=0xc0007412e8 sp=0xc0007411e8 pc=0x1602185 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0002f0cc0, {0x1f990c0, 0xc000a21908}, {{0x1f8fb18, 0xc0006ca008}, {0x0, 0x1, 0x20000dc0, 0x46}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x119 fp=0xc0007413b8 sp=0xc0007412e8 pc=0xabf339 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc000a21908, 0xc0002f0cc0, {{0x1f8fb18, 0xc0006ca008}, {0x0, 0x1, 0x20000dc0, 0x46}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x91 fp=0xc000741578 sp=0xc0007413b8 pc=0x11e6d51 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc000a21908, 0xc000741760?, {{0xc8}, {0x20000dc0}, {0x46}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x2b2 fp=0xc0007416c8 sp=0xc000741578 pc=0x11e59b2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000a21908, 0x1, {{0xc8}, {0x20000dc0}, {0x46}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc000741960 sp=0xc0007416c8 pc=0xf4b635 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000a21908, 0x1, {{0xc8}, {0x20000dc0}, {0x46}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc000741a08 sp=0xc000741960 pc=0xf4d492 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000a21908, 0x1, {{0xc8}, {0x20000dc0}, {0x46}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc000741a78 sp=0xc000741a08 pc=0xf4ce94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000a21908) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc000741b98 sp=0xc000741a78 pc=0xf4ca30 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000a21908?, 0xc000a21908) pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc000741e70 sp=0xc000741b98 pc=0xf389ee gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000a21908, 0x8) pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc000741fb0 sp=0xc000741e70 pc=0xf3605b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x45 fp=0xc000741fe0 sp=0xc000741fb0 pc=0xf49405 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000741fe8 sp=0xc000741fe0 pc=0x4819a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 45 pkg/sentry/kernel/task_start.go:411 +0x165