panic: PullUp failed goroutine 374 gp=0xc000cc7c00 m=18 mp=0xc000f80008 [running]: panic({0x122f840?, 0x16a2350?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0010147a8 sp=0xc0010146f8 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc001014868?, 0x782305?) pkg/tcpip/stack/packet_buffer.go:366 +0x178 fp=0xc001014848 sp=0xc0010147a8 pc=0xa65298 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Slice({0xc0009e4140?, 0xc000a3a300?}) pkg/tcpip/stack/packet_buffer.go:504 +0x26 fp=0xc0010148b8 sp=0xc001014848 pc=0xa65d86 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc0007fb508, {0xc00027a38e, 0x30, 0x7?}, 0xc0009e4140, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1508 +0x2ff fp=0xc0010149b8 sp=0xc0010148b8 pc=0xc225bf gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc0007fb508, {0xc00027a38e, 0x30, 0x72}, 0xc0009e4140, {0xc000b13730?, 0xa64f01?}) pkg/tcpip/network/ipv6/ipv6.go:1397 +0xe5 fp=0xc001014c08 sp=0xc0010149b8 pc=0xc217a5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc0007fb508, {0xc00027a38e, 0x30, 0x72}, 0xc0009e4140, {0xc000b13730, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1376 +0x615 fp=0xc001014ef0 sp=0xc001014c08 pc=0xc21595 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0007fb508, 0xc0009e4140) pkg/tcpip/network/ipv6/ipv6.go:1146 +0x81d fp=0xc001015448 sp=0xc001014ef0 pc=0xc1ef3d gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc000040488, 0x86dd, 0xc0009e4140) pkg/tcpip/stack/nic.go:769 +0x20a fp=0xc001015480 sp=0xc001015448 pc=0xa60c8a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc00054c280, 0x86dd, 0xc0009e4140) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc0010154c0 sp=0xc001015480 pc=0xc48c90 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc00054c280, 0x86dd, 0xc0009e4140) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc0010154e8 sp=0xc0010154c0 pc=0xc4ab65 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc000aaa540, 0x86dd, 0xc0009e4140) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc001015528 sp=0xc0010154e8 pc=0xc4e9c6 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc000564368, 0xc000c0ab10) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc001015658 sp=0xc001015528 pc=0xc51a35 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x0?, {0x16c7ce0, 0xc000943208}, {{0x16bf4f8, 0xc0005f9008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc001015718 sp=0xc001015658 pc=0xf9062b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000564300, {0x16c7ce0, 0xc000943208}, {{0x16bf4f8, 0xc0005f9008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:679 +0x9f fp=0xc001015798 sp=0xc001015718 pc=0x81f5bf gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc000943208, 0xc000564300, {{0x16bf4f8, 0xc0005f9008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc001015938 sp=0xc001015798 pc=0xcdfd85 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc000943208, 0xc000c018f8?, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc001015a78 sp=0xc001015938 pc=0xcdf56b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000943208, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc001015ca8 sp=0xc001015a78 pc=0xb1d72b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000943208, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc001015d00 sp=0xc001015ca8 pc=0xb1ecce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000943208, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc001015d50 sp=0xc001015d00 pc=0xb1e87d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000562370?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc001015e28 sp=0xc001015d50 pc=0xb1e569 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000a37a70?, 0xc000943208) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc001015f38 sp=0xc001015e28 pc=0xb11dc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000943208, 0x2b) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc001015fc0 sp=0xc001015f38 pc=0xb103dd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc001015fe0 sp=0xc001015fc0 pc=0xb1bca5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc001015fe8 sp=0xc001015fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 348 pkg/sentry/kernel/task_start.go:400 +0xd9