panic: bytes only has space for 6 bytes but need space for 14 bytes (length = 1) for extension header with id = 253 goroutine 184215 gp=0xc000e19880 m=39 mp=0xc002b01508 [running]: panic({0x1233820?, 0xc00bdc36f0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc008c12b00 sp=0xc008c12a50 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).nextHeaderData(0xc00b70abd0, 0x0, {0xc005dedb60, 0x6, 0x6}) pkg/tcpip/header/ipv6_extension_headers.go:720 +0x7a9 fp=0xc008c12c40 sp=0xc008c12b00 pc=0xa25e89 gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6PayloadIterator).Next(0xc00b70abd0) pkg/tcpip/header/ipv6_extension_headers.go:645 +0x313 fp=0xc008c12cd8 sp=0xc008c12c40 pc=0xa25553 gvisor.dev/gvisor/pkg/tcpip/header/parse.IPv6(0xc0074ddcc0) pkg/tcpip/header/parse/parse.go:97 +0x25e fp=0xc008c12e80 sp=0xc008c12cd8 pc=0xb9109e gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).Parse(0xc008c12ff8?, 0xafd42a?) pkg/tcpip/network/ipv6/ipv6.go:2661 +0x25 fp=0xc008c12e98 sp=0xc008c12e80 pc=0xc2c9e5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*protocol).parseAndValidate(0xc00c3ec000, 0xc0074ddcc0) pkg/tcpip/network/ipv6/ipv6.go:2623 +0x2b fp=0xc008c12ef0 sp=0xc008c12e98 pc=0xc2c72b gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc00c3f0a88, 0xc0074ddcc0) pkg/tcpip/network/ipv6/ipv6.go:1101 +0x117 fp=0xc008c13448 sp=0xc008c12ef0 pc=0xc21117 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc00c3ee248, 0x86dd, 0xc0074ddcc0) pkg/tcpip/stack/nic.go:774 +0x20a fp=0xc008c13480 sp=0xc008c13448 pc=0xa6126a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc003c20b90, 0x86dd, 0xc0074ddcc0) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc008c134c0 sp=0xc008c13480 pc=0xc4b5d0 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc003c20b90, 0x86dd, 0xc0074ddcc0) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc008c134e8 sp=0xc008c134c0 pc=0xc4d4a5 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc004b2fb60, 0x86dd, 0xc0074ddcc0) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc008c13528 sp=0xc008c134e8 pc=0xc51306 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc0000e7568, 0xc00c411bf0) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc008c13658 sp=0xc008c13528 pc=0xc54375 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x2?, {0x16ccd40, 0xc00c404c88}, {{0x16c4538, 0xc000d0d008}, {0x0, 0x1, 0x20000100, 0x3e}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc008c13718 sp=0xc008c13658 pc=0xf934ab gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0000e7500, {0x16ccd40, 0xc00c404c88}, {{0x16c4538, 0xc000d0d008}, {0x0, 0x1, 0x20000100, 0x3e}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x9f fp=0xc008c13798 sp=0xc008c13718 pc=0x81f69f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc00c404c88, 0xc0000e7500, {{0x16c4538, 0xc000d0d008}, {0x0, 0x1, 0x20000100, 0x3e}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc008c13938 sp=0xc008c13798 pc=0xce2925 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc00c404c88, 0x6fd16c?, {{0xc8}, {0x20000100}, {0x3e}, {0x3e}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc008c13a78 sp=0xc008c13938 pc=0xce210b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00c404c88, 0x1, {{0xc8}, {0x20000100}, {0x3e}, {0x3e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc008c13ca8 sp=0xc008c13a78 pc=0xb1a22b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00c404c88, 0x1, {{0xc8}, {0x20000100}, {0x3e}, {0x3e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc008c13d00 sp=0xc008c13ca8 pc=0xb1b7ce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00c404c88, 0x1, {{0xc8}, {0x20000100}, {0x3e}, {0x3e}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc008c13d50 sp=0xc008c13d00 pc=0xb1b37d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002554370?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc008c13e28 sp=0xc008c13d50 pc=0xb1b069 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc008900a20?, 0xc00c404c88) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc008c13f38 sp=0xc008c13e28 pc=0xb0e7c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00c404c88, 0xb9bb) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc008c13fc0 sp=0xc008c13f38 pc=0xb0cddd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x25 fp=0xc008c13fe0 sp=0xc008c13fc0 pc=0xb187a5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc008c13fe8 sp=0xc008c13fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 184309 pkg/sentry/kernel/task_start.go:411 +0xd9