panic: PullUp failed goroutine 390 gp=0xc000b1c000 m=20 mp=0xc0008ca008 [running]: panic({0x1115660?, 0x155f2e0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000768838 sp=0xc000768788 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc0007688d0?, 0x74bea7?) pkg/tcpip/stack/packet_buffer.go:366 +0xe8 fp=0xc0007688b0 sp=0xc000768838 pc=0x9d1588 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Slice({0xc00025cdc0?, 0xc000845e90?}) pkg/tcpip/stack/packet_buffer.go:504 +0x1c fp=0xc000768920 sp=0xc0007688b0 pc=0x9d1edc gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc00023b508, {0xc00013040e, 0x30, 0x7?}, 0xc00025cdc0, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1508 +0x2e5 fp=0xc000768a20 sp=0xc000768920 pc=0xb5cd65 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc00023b508, {0xc00013040e, 0x30, 0x72}, 0xc00025cdc0, {0xc000760830?, 0xc000264260?}) pkg/tcpip/network/ipv6/ipv6.go:1397 +0xc7 fp=0xc000768c70 sp=0xc000768a20 pc=0xb5c127 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc00023b508, {0xc00013040e, 0x30, 0x72}, 0xc00025cdc0, {0xc000760830, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1376 +0x445 fp=0xc000768f58 sp=0xc000768c70 pc=0xb5bf85 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc00023b508, 0xc00025cdc0) pkg/tcpip/network/ipv6/ipv6.go:1146 +0x591 fp=0xc0007694b0 sp=0xc000768f58 pc=0xb5a331 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc0002266c8, 0x86dd, 0xc00025cdc0) pkg/tcpip/stack/nic.go:769 +0x10c fp=0xc0007694e8 sp=0xc0007694b0 pc=0x9cdd0c gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0x74eea7?, 0x86dd, 0xc00025cdc0) pkg/tcpip/link/nested/nested.go:61 +0x7b fp=0xc000769520 sp=0xc0007694e8 pc=0xb7e95b gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc0001a0e10, 0x86dd, 0xc00025cdc0) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x38 fp=0xc000769548 sp=0xc000769520 pc=0xb80318 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc000438480, 0x86dd, 0xc00025cdc0) pkg/tcpip/link/channel/channel.go:207 +0x6d fp=0xc000769580 sp=0xc000769548 pc=0xb83b4d gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc0002668a8, 0xc000451950) pkg/tcpip/link/tun/device.go:250 +0x566 fp=0xc0007696a0 sp=0xc000769580 pc=0xb86286 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x0?, {0x1584da0, 0xc000652c88}, {{0x157c338, 0xc00085a008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x2d7 fp=0xc000769760 sp=0xc0007696a0 pc=0xe8a417 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000266840, {0x1584da0, 0xc000652c88}, {{0x157c338, 0xc00085a008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:679 +0x8b fp=0xc0007697e0 sp=0xc000769760 pc=0x7dc44b gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc000652c88, 0xc000266840, {{0x157c338, 0xc00085a008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x78 fp=0xc000769970 sp=0xc0007697e0 pc=0xc0d738 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc000652c88, 0xc000769b10?, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x1a5 fp=0xc000769a78 sp=0xc000769970 pc=0xc0c9a5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000652c88, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc000769ca8 sp=0xc000769a78 pc=0xa76e57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000652c88, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc000769d00 sp=0xc000769ca8 pc=0xa77fc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000652c88, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc000769d50 sp=0xc000769d00 pc=0xa77cc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006abc70?) pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc000769e28 sp=0xc000769d50 pc=0xa77a45 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0002158c0?, 0xc000652c88) pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc000769f30 sp=0xc000769e28 pc=0xa6d357 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000652c88, 0x17) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc000769fc0 sp=0xc000769f30 pc=0xa6bdb4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc000769fe0 sp=0xc000769fc0 pc=0xa75865 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000769fe8 sp=0xc000769fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 614 pkg/sentry/kernel/task_start.go:400 +0xc5