panic: PullUp failed goroutine 139493 gp=0xc00299a1c0 m=16 mp=0xc000d00008 [running]: panic({0x122f840?, 0x16a2350?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc009cee7a8 sp=0xc009cee6f8 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc009cee868?, 0x782305?) pkg/tcpip/stack/packet_buffer.go:366 +0x178 fp=0xc009cee848 sp=0xc009cee7a8 pc=0xa65298 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Slice({0xc0009af040?, 0xc0016ab710?}) pkg/tcpip/stack/packet_buffer.go:504 +0x26 fp=0xc009cee8b8 sp=0xc009cee848 pc=0xa65d86 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc0088d3508, {0xc00379370e, 0x30, 0x7?}, 0xc0009af040, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1508 +0x2ff fp=0xc009cee9b8 sp=0xc009cee8b8 pc=0xc225bf gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc0088d3508, {0xc00379370e, 0x30, 0x72}, 0xc0009af040, {0xc00185aa28?, 0xa64f01?}) pkg/tcpip/network/ipv6/ipv6.go:1397 +0xe5 fp=0xc009ceec08 sp=0xc009cee9b8 pc=0xc217a5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc0088d3508, {0xc00379370e, 0x30, 0x72}, 0xc0009af040, {0xc00185aa28, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1376 +0x615 fp=0xc009ceeef0 sp=0xc009ceec08 pc=0xc21595 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0088d3508, 0xc0009af040) pkg/tcpip/network/ipv6/ipv6.go:1146 +0x81d fp=0xc009cef448 sp=0xc009ceeef0 pc=0xc1ef3d gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc0003f8d88, 0x86dd, 0xc0009af040) pkg/tcpip/stack/nic.go:769 +0x20a fp=0xc009cef480 sp=0xc009cef448 pc=0xa60c8a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc0055e4870, 0x86dd, 0xc0009af040) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc009cef4c0 sp=0xc009cef480 pc=0xc48c90 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc0055e4870, 0x86dd, 0xc0009af040) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc009cef4e8 sp=0xc009cef4c0 pc=0xc4ab65 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc0050f1680, 0x86dd, 0xc0009af040) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc009cef528 sp=0xc009cef4e8 pc=0xc4e9c6 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc0007d0728, 0xc0016ab380) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc009cef658 sp=0xc009cef528 pc=0xc51a35 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x2?, {0x16c7ce0, 0xc0098c7208}, {{0x16bf4f8, 0xc003346008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc009cef718 sp=0xc009cef658 pc=0xf9062b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0007d06c0, {0x16c7ce0, 0xc0098c7208}, {{0x16bf4f8, 0xc003346008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:679 +0x9f fp=0xc009cef798 sp=0xc009cef718 pc=0x81f5bf gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc0098c7208, 0xc0007d06c0, {{0x16bf4f8, 0xc003346008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc009cef938 sp=0xc009cef798 pc=0xcdfd85 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc0098c7208, 0xc0018818f8?, {{0xc8}, {0x200007c0}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc009cefa78 sp=0xc009cef938 pc=0xcdf56b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0098c7208, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc009cefca8 sp=0xc009cefa78 pc=0xb1d72b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0098c7208, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc009cefd00 sp=0xc009cefca8 pc=0xb1ecce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0098c7208, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc009cefd50 sp=0xc009cefd00 pc=0xb1e87d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006a38840?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc009cefe28 sp=0xc009cefd50 pc=0xb1e569 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00884f320?, 0xc0098c7208) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc009ceff38 sp=0xc009cefe28 pc=0xb11dc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0098c7208, 0x7237) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc009ceffc0 sp=0xc009ceff38 pc=0xb103dd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc009ceffe0 sp=0xc009ceffc0 pc=0xb1bca5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc009ceffe8 sp=0xc009ceffe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 139467 pkg/sentry/kernel/task_start.go:400 +0xd9