panic: PullUp failed goroutine 6127 gp=0x4002994fc0 m=13 mp=0x4000440308 [running]: panic({0xc5d800?, 0x10a42f0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x400142c780 sp=0x400142c6d0 pc=0x84234 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0x4002650ab6?, 0x4000718008?) pkg/tcpip/stack/packet_buffer.go:366 +0xe0 fp=0x400142c800 sp=0x400142c780 pc=0x5a8d20 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Slice({0x40000fcb40?, 0x4002672a20?}) pkg/tcpip/stack/packet_buffer.go:504 +0x20 fp=0x400142c870 sp=0x400142c800 pc=0x5a95a0 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0x40003bb508, {0x40000e5a8e, 0x30, 0x7?}, 0x40000fcb40, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1508 +0x220 fp=0x400142c970 sp=0x400142c870 pc=0x720880 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0x40003bb508, {0x40000e5a8e, 0x30, 0x72}, 0x40000fcb40, {0x40006f3770?, 0x400142cc48?}) pkg/tcpip/network/ipv6/ipv6.go:1397 +0x118 fp=0x400142cbc0 sp=0x400142c970 pc=0x71feb8 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0x40003bb508, {0x40000e5a8e, 0x30, 0x72}, 0x40000fcb40, {0x40006f3770, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1376 +0x4dc fp=0x400142ceb0 sp=0x400142cbc0 pc=0x71fd1c gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0x40003bb508, 0x40000fcb40) pkg/tcpip/network/ipv6/ipv6.go:1146 +0x6f0 fp=0x400142d410 sp=0x400142ceb0 pc=0x71de70 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0x400013c6c8, 0x86dd, 0x40000fcb40) pkg/tcpip/stack/nic.go:769 +0x1ac fp=0x400142d450 sp=0x400142d410 pc=0x5a547c gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0x400142d4b8?, 0x86dd, 0x40000fcb40) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0x400142d490 sp=0x400142d450 pc=0x73ee80 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0x4000172910, 0x86dd, 0x40000fcb40) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x3c fp=0x400142d4c0 sp=0x400142d490 pc=0x740a3c gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0x4000a2a5a0, 0x86dd, 0x40000fcb40) pkg/tcpip/link/channel/channel.go:207 +0x74 fp=0x400142d500 sp=0x400142d4c0 pc=0x744204 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0x40003bca28, 0x4000f254a0) pkg/tcpip/link/tun/device.go:250 +0x4c8 fp=0x400142d620 sp=0x400142d500 pc=0x7468e8 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x40000f4ff0?, {0x10c9bb0, 0x40029dd908}, {{0x10c1538, 0x40028bc008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x238 fp=0x400142d6e0 sp=0x400142d620 pc=0x9fb4f8 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0x40003bc9c0, {0x10c9bb0, 0x40029dd908}, {{0x10c1538, 0x40028bc008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:679 +0x80 fp=0x400142d760 sp=0x400142d6e0 pc=0x3c4c40 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0x40029dd908, 0x40003bc9c0, {{0x10c1538, 0x40028bc008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x88 fp=0x400142d8f0 sp=0x400142d760 pc=0x7be388 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0x40029dd908, 0x5b7?, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0xfd20cea42b00}, {0x9fa927564fd10d91}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x12c fp=0x400142da30 sp=0x400142d8f0 pc=0x7bd77c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x40029dd908, 0x40, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0xfd20cea42b00}, {0x9fa927564fd10d91}}) pkg/sentry/kernel/task_syscall.go:143 +0x4e8 fp=0x400142dc60 sp=0x400142da30 pc=0x646d58 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x40029dd908, 0x40, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0xfd20cea42b00}, {0x9fa927564fd10d91}}) pkg/sentry/kernel/task_syscall.go:323 +0x3c fp=0x400142dcc0 sp=0x400142dc60 pc=0x647c8c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40029dd908, 0x40, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0xfd20cea42b00}, {0x9fa927564fd10d91}}) pkg/sentry/kernel/task_syscall.go:283 +0x58 fp=0x400142dd10 sp=0x400142dcc0 pc=0x647908 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4002a2e340?) pkg/sentry/kernel/task_syscall.go:258 +0x23c fp=0x400142ddf0 sp=0x400142dd10 pc=0x6476bc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4002a0ebd0?, 0x40029dd908) pkg/sentry/kernel/task_run.go:269 +0xce4 fp=0x400142df10 sp=0x400142ddf0 pc=0x63d664 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x40029dd908, 0x18b) pkg/sentry/kernel/task_run.go:97 +0x1d4 fp=0x400142dfb0 sp=0x400142df10 pc=0x63c2f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x400142dfd0 sp=0x400142dfb0 pc=0x6458ec runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x400142dfd0 sp=0x400142dfd0 pc=0x8d484 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 5997 pkg/sentry/kernel/task_start.go:400 +0xc4