panic: bytes only has space for 6 bytes but need space for 1750 bytes (length = 218) for extension header with id = 253 goroutine 77085 gp=0xc0032768c0 m=10 mp=0xc0000b1c08 [running]: panic({0x12338e0?, 0xc005c8e880?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0075d0b00 sp=0xc0075d0a50 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).nextHeaderData(0xc0069da450, 0x0, {0xc0099024c8, 0x6, 0x6}) pkg/tcpip/header/ipv6_extension_headers.go:720 +0x7a9 fp=0xc0075d0c40 sp=0xc0075d0b00 pc=0xa25e89 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).Next(0xc0069da450) pkg/tcpip/header/ipv6_extension_headers.go:645 +0x313 fp=0xc0075d0cd8 sp=0xc0075d0c40 pc=0xa25553 gvisor.dev/gvisor/pkg/tcpip/header/parse.IPv6(0xc006d103c0) pkg/tcpip/header/parse/parse.go:97 +0x25e fp=0xc0075d0e80 sp=0xc0075d0cd8 pc=0xb9109e gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).Parse(0x10?, 0x950000?) pkg/tcpip/network/ipv6/ipv6.go:2661 +0x25 fp=0xc0075d0e98 sp=0xc0075d0e80 pc=0xc2c9e5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc0075fc000, 0xc006d103c0) pkg/tcpip/network/ipv6/ipv6.go:2623 +0x2b fp=0xc0075d0ef0 sp=0xc0075d0e98 pc=0xc2c72b gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0076a8a88, 0xc006d103c0) pkg/tcpip/network/ipv6/ipv6.go:1101 +0x117 fp=0xc0075d1448 sp=0xc0075d0ef0 pc=0xc21117 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc0001478c8, 0x86dd, 0xc006d103c0) pkg/tcpip/stack/nic.go:774 +0x20a fp=0xc0075d1480 sp=0xc0075d1448 pc=0xa6126a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc001b77ae0, 0x86dd, 0xc006d103c0) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc0075d14c0 sp=0xc0075d1480 pc=0xc4b5d0 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc001b77ae0, 0x86dd, 0xc006d103c0) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc0075d14e8 sp=0xc0075d14c0 pc=0xc4d4a5 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc0068b9620, 0x86dd, 0xc006d103c0) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc0075d1528 sp=0xc0075d14e8 pc=0xc51306 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc00222aa28, 0xc000c95f20) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc0075d1658 sp=0xc0075d1528 pc=0xc54375 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x2?, {0x16ccf20, 0xc005b4a588}, {{0x16c4718, 0xc002fcd008}, {0x0, 0x1, 0x20000080, 0x79}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc0075d1718 sp=0xc0075d1658 pc=0xf934ab gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00222a9c0, {0x16ccf20, 0xc005b4a588}, {{0x16c4718, 0xc002fcd008}, {0x0, 0x1, 0x20000080, 0x79}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x9f fp=0xc0075d1798 sp=0xc0075d1718 pc=0x81f69f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc005b4a588, 0xc00222a9c0, {{0x16c4718, 0xc002fcd008}, {0x0, 0x1, 0x20000080, 0x79}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc0075d1938 sp=0xc0075d1798 pc=0xce2925 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc005b4a588, 0x6fd16c?, {{0xc8}, {0x20000080}, {0x79}, {0x79}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc0075d1a78 sp=0xc0075d1938 pc=0xce210b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005b4a588, 0x1, {{0xc8}, {0x20000080}, {0x79}, {0x79}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc0075d1ca8 sp=0xc0075d1a78 pc=0xb1a22b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005b4a588, 0x1, {{0xc8}, {0x20000080}, {0x79}, {0x79}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc0075d1d00 sp=0xc0075d1ca8 pc=0xb1b7ce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005b4a588, 0x1, {{0xc8}, {0x20000080}, {0x79}, {0x79}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc0075d1d50 sp=0xc0075d1d00 pc=0xb1b37d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003c9a370?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc0075d1e28 sp=0xc0075d1d50 pc=0xb1b069 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc008306480?, 0xc005b4a588) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc0075d1f38 sp=0xc0075d1e28 pc=0xb0e7c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005b4a588, 0x4b01) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc0075d1fc0 sp=0xc0075d1f38 pc=0xb0cddd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x25 fp=0xc0075d1fe0 sp=0xc0075d1fc0 pc=0xb187a5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0075d1fe8 sp=0xc0075d1fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 77111 pkg/sentry/kernel/task_start.go:411 +0xd9