panic: bytes only has space for 6 bytes but need space for 70 bytes (length = 8) for extension header with id = 253 goroutine 152028 gp=0xc001053dc0 m=36 mp=0xc002714008 [running]: panic({0x12338e0?, 0xc006e6d170?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0079c4b00 sp=0xc0079c4a50 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).nextHeaderData(0xc004058c00, 0x0, {0xc006e7a700, 0x6, 0x6}) pkg/tcpip/header/ipv6_extension_headers.go:720 +0x7a9 fp=0xc0079c4c40 sp=0xc0079c4b00 pc=0xa25e89 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).Next(0xc004058c00) pkg/tcpip/header/ipv6_extension_headers.go:645 +0x313 fp=0xc0079c4cd8 sp=0xc0079c4c40 pc=0xa25553 gvisor.dev/gvisor/pkg/tcpip/header/parse.IPv6(0xc004d0f540) pkg/tcpip/header/parse/parse.go:97 +0x25e fp=0xc0079c4e80 sp=0xc0079c4cd8 pc=0xb9109e gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).Parse(0x0?, 0x0?) pkg/tcpip/network/ipv6/ipv6.go:2661 +0x25 fp=0xc0079c4e98 sp=0xc0079c4e80 pc=0xc2c9e5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc005114000, 0xc004d0f540) pkg/tcpip/network/ipv6/ipv6.go:2623 +0x2b fp=0xc0079c4ef0 sp=0xc0079c4e98 pc=0xc2c72b gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0068d8a88, 0xc004d0f540) pkg/tcpip/network/ipv6/ipv6.go:1101 +0x117 fp=0xc0079c5448 sp=0xc0079c4ef0 pc=0xc21117 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc00021ed88, 0x86dd, 0xc004d0f540) pkg/tcpip/stack/nic.go:774 +0x20a fp=0xc0079c5480 sp=0xc0079c5448 pc=0xa6126a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc004118be0, 0x86dd, 0xc004d0f540) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc0079c54c0 sp=0xc0079c5480 pc=0xc4b5d0 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc004118be0, 0x86dd, 0xc004d0f540) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc0079c54e8 sp=0xc0079c54c0 pc=0xc4d4a5 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc002d59ce0, 0x86dd, 0xc004d0f540) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc0079c5528 sp=0xc0079c54e8 pc=0xc51306 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc003e3c668, 0xc00544c960) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc0079c5658 sp=0xc0079c5528 pc=0xc54375 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x5?, {0x16ccf20, 0xc006a66588}, {{0x16c4718, 0xc004cb3008}, {0x0, 0x1, 0x20000000, 0x4e}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc0079c5718 sp=0xc0079c5658 pc=0xf934ab gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc003e3c600, {0x16ccf20, 0xc006a66588}, {{0x16c4718, 0xc004cb3008}, {0x0, 0x1, 0x20000000, 0x4e}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x9f fp=0xc0079c5798 sp=0xc0079c5718 pc=0x81f69f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc006a66588, 0xc003e3c600, {{0x16c4718, 0xc004cb3008}, {0x0, 0x1, 0x20000000, 0x4e}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc0079c5938 sp=0xc0079c5798 pc=0xce2925 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc006a66588, 0x5607d477e9cd?, {{0xc8}, {0x20000000}, {0x4e}, {0x4e}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc0079c5a78 sp=0xc0079c5938 pc=0xce210b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006a66588, 0x1, {{0xc8}, {0x20000000}, {0x4e}, {0x4e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc0079c5ca8 sp=0xc0079c5a78 pc=0xb1a22b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006a66588, 0x1, {{0xc8}, {0x20000000}, {0x4e}, {0x4e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc0079c5d00 sp=0xc0079c5ca8 pc=0xb1b7ce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc006a66588, 0x1, {{0xc8}, {0x20000000}, {0x4e}, {0x4e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc0079c5d50 sp=0xc0079c5d00 pc=0xb1b37d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00537c6e0?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc0079c5e28 sp=0xc0079c5d50 pc=0xb1b069 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004c31170?, 0xc006a66588) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc0079c5f38 sp=0xc0079c5e28 pc=0xb0e7c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006a66588, 0x65de) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc0079c5fc0 sp=0xc0079c5f38 pc=0xb0cddd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x25 fp=0xc0079c5fe0 sp=0xc0079c5fc0 pc=0xb187a5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0079c5fe8 sp=0xc0079c5fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 152050 pkg/sentry/kernel/task_start.go:411 +0xd9