panic: bytes only has space for 6 bytes but need space for 150 bytes (length = 18) for extension header with id = 253 goroutine 33853 gp=0xc001485a40 m=34 mp=0xc001bbf508 [running]: panic({0x1233820?, 0xc002a2ebf0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00323ab00 sp=0xc00323aa50 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).nextHeaderData(0xc0011d7c50, 0x0, {0xc002a60350, 0x6, 0x6}) pkg/tcpip/header/ipv6_extension_headers.go:720 +0x7a9 fp=0xc00323ac40 sp=0xc00323ab00 pc=0xa25e89 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).Next(0xc0011d7c50) pkg/tcpip/header/ipv6_extension_headers.go:645 +0x313 fp=0xc00323acd8 sp=0xc00323ac40 pc=0xa25553 gvisor.dev/gvisor/pkg/tcpip/header/parse.IPv6(0xc0012c28c0) pkg/tcpip/header/parse/parse.go:97 +0x25e fp=0xc00323ae80 sp=0xc00323acd8 pc=0xb9109e gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).Parse(0xc000940e10?, 0xc001daa5b0?) pkg/tcpip/network/ipv6/ipv6.go:2661 +0x25 fp=0xc00323ae98 sp=0xc00323ae80 pc=0xc2c9e5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc003ace000, 0xc0012c28c0) pkg/tcpip/network/ipv6/ipv6.go:2623 +0x2b fp=0xc00323aef0 sp=0xc00323ae98 pc=0xc2c72b gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc000ef6008, 0xc0012c28c0) pkg/tcpip/network/ipv6/ipv6.go:1101 +0x117 fp=0xc00323b448 sp=0xc00323aef0 pc=0xc21117 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc0003e2d88, 0x86dd, 0xc0012c28c0) pkg/tcpip/stack/nic.go:774 +0x20a fp=0xc00323b480 sp=0xc00323b448 pc=0xa6126a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc001996640, 0x86dd, 0xc0012c28c0) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc00323b4c0 sp=0xc00323b480 pc=0xc4b5d0 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc001996640, 0x86dd, 0xc0012c28c0) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc00323b4e8 sp=0xc00323b4c0 pc=0xc4d4a5 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc003eb4600, 0x86dd, 0xc0012c28c0) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc00323b528 sp=0xc00323b4e8 pc=0xc51306 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc002d8a068, 0xc0014bea80) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc00323b658 sp=0xc00323b528 pc=0xc54375 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x5?, {0x16ccd40, 0xc0058db908}, {{0x16c4538, 0xc002878008}, {0x0, 0x1, 0x20000500, 0x123}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc00323b718 sp=0xc00323b658 pc=0xf934ab gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc002d8a000, {0x16ccd40, 0xc0058db908}, {{0x16c4538, 0xc002878008}, {0x0, 0x1, 0x20000500, 0x123}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x9f fp=0xc00323b798 sp=0xc00323b718 pc=0x81f69f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc0058db908, 0xc002d8a000, {{0x16c4538, 0xc002878008}, {0x0, 0x1, 0x20000500, 0x123}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc00323b938 sp=0xc00323b798 pc=0xce2925 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc0058db908, 0x555640b8798d?, {{0xc8}, {0x20000500}, {0x123}, {0x123}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc00323ba78 sp=0xc00323b938 pc=0xce210b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0058db908, 0x1, {{0xc8}, {0x20000500}, {0x123}, {0x123}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc00323bca8 sp=0xc00323ba78 pc=0xb1a22b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0058db908, 0x1, {{0xc8}, {0x20000500}, {0x123}, {0x123}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc00323bd00 sp=0xc00323bca8 pc=0xb1b7ce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0058db908, 0x1, {{0xc8}, {0x20000500}, {0x123}, {0x123}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc00323bd50 sp=0xc00323bd00 pc=0xb1b37d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002924580?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc00323be28 sp=0xc00323bd50 pc=0xb1b069 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00114a750?, 0xc0058db908) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc00323bf38 sp=0xc00323be28 pc=0xb0e7c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0058db908, 0x1844) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc00323bfc0 sp=0xc00323bf38 pc=0xb0cddd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x25 fp=0xc00323bfe0 sp=0xc00323bfc0 pc=0xb187a5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00323bfe8 sp=0xc00323bfe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 33807 pkg/sentry/kernel/task_start.go:411 +0xd9