panic: bytes only has space for 6 bytes but need space for 1014 bytes (length = 126) for extension header with id = 253 goroutine 164549 gp=0xc003bc1340 m=74 mp=0xc00270fc08 [running]: panic({0x12338e0?, 0xc0085389e0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc009d58b00 sp=0xc009d58a50 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).nextHeaderData(0xc0047427b0, 0x0, {0xc00718eada, 0x6, 0x6}) pkg/tcpip/header/ipv6_extension_headers.go:720 +0x7a9 fp=0xc009d58c40 sp=0xc009d58b00 pc=0xa25e89 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).Next(0xc0047427b0) pkg/tcpip/header/ipv6_extension_headers.go:645 +0x313 fp=0xc009d58cd8 sp=0xc009d58c40 pc=0xa25553 gvisor.dev/gvisor/pkg/tcpip/header/parse.IPv6(0xc000252140) pkg/tcpip/header/parse/parse.go:97 +0x25e fp=0xc009d58e80 sp=0xc009d58cd8 pc=0xb9109e gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).Parse(0x237bee0?, 0x3?) pkg/tcpip/network/ipv6/ipv6.go:2661 +0x25 fp=0xc009d58e98 sp=0xc009d58e80 pc=0xc2c9e5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc00a042000, 0xc000252140) pkg/tcpip/network/ipv6/ipv6.go:2623 +0x2b fp=0xc009d58ef0 sp=0xc009d58e98 pc=0xc2c72b gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc008dcd508, 0xc000252140) pkg/tcpip/network/ipv6/ipv6.go:1101 +0x117 fp=0xc009d59448 sp=0xc009d58ef0 pc=0xc21117 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc006d166c8, 0x86dd, 0xc000252140) pkg/tcpip/stack/nic.go:774 +0x20a fp=0xc009d59480 sp=0xc009d59448 pc=0xa6126a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc0075108c0, 0x86dd, 0xc000252140) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc009d594c0 sp=0xc009d59480 pc=0xc4b5d0 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc0075108c0, 0x86dd, 0xc000252140) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc009d594e8 sp=0xc009d594c0 pc=0xc4d4a5 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc0011ebe00, 0x86dd, 0xc000252140) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc009d59528 sp=0xc009d594e8 pc=0xc51306 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc0004b2d28, 0xc0031978f0) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc009d59658 sp=0xc009d59528 pc=0xc54375 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x2?, {0x16ccf20, 0xc007e9f908}, {{0x16c4718, 0xc008554008}, {0x0, 0x1, 0x20000000, 0x4e}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc009d59718 sp=0xc009d59658 pc=0xf934ab gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0004b2cc0, {0x16ccf20, 0xc007e9f908}, {{0x16c4718, 0xc008554008}, {0x0, 0x1, 0x20000000, 0x4e}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x9f fp=0xc009d59798 sp=0xc009d59718 pc=0x81f69f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc007e9f908, 0xc0004b2cc0, {{0x16c4718, 0xc008554008}, {0x0, 0x1, 0x20000000, 0x4e}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc009d59938 sp=0xc009d59798 pc=0xce2925 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc007e9f908, 0xc009d59ad0?, {{0xc8}, {0x20000000}, {0x4e}, {0x4e}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc009d59a78 sp=0xc009d59938 pc=0xce210b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007e9f908, 0x1, {{0xc8}, {0x20000000}, {0x4e}, {0x4e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc009d59ca8 sp=0xc009d59a78 pc=0xb1a22b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007e9f908, 0x1, {{0xc8}, {0x20000000}, {0x4e}, {0x4e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc009d59d00 sp=0xc009d59ca8 pc=0xb1b7ce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007e9f908, 0x1, {{0xc8}, {0x20000000}, {0x4e}, {0x4e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc009d59d50 sp=0xc009d59d00 pc=0xb1b37d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0086111e0?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc009d59e28 sp=0xc009d59d50 pc=0xb1b069 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00292a990?, 0xc007e9f908) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc009d59f38 sp=0xc009d59e28 pc=0xb0e7c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007e9f908, 0x6170) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc009d59fc0 sp=0xc009d59f38 pc=0xb0cddd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x25 fp=0xc009d59fe0 sp=0xc009d59fc0 pc=0xb187a5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc009d59fe8 sp=0xc009d59fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 164548 pkg/sentry/kernel/task_start.go:411 +0xd9