panic: PullUp failed goroutine 92427 gp=0xc000f54e00 m=18 mp=0xc000c80708 [running]: panic({0x12348a0?, 0x16a8200?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0074b87a8 sp=0xc0074b86f8 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc000290868?, 0x782425?) pkg/tcpip/stack/packet_buffer.go:366 +0x178 fp=0xc0074b8848 sp=0xc0074b87a8 pc=0xa65b78 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Slice({0xc003b50500?, 0xc002779350?}) pkg/tcpip/stack/packet_buffer.go:504 +0x26 fp=0xc0074b88b8 sp=0xc0074b8848 pc=0xa66666 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc00acf1508, {0xc00269468e, 0x30, 0x7?}, 0xc003b50500, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1512 +0x2ff fp=0xc0074b89b8 sp=0xc0074b88b8 pc=0xc2515f gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc00acf1508, {0xc00269468e, 0x30, 0x72}, 0xc003b50500, {0xc003996828?, 0xc0093da701?}) pkg/tcpip/network/ipv6/ipv6.go:1400 +0xe5 fp=0xc0074b8c08 sp=0xc0074b89b8 pc=0xc24305 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc00acf1508, {0xc00269468e, 0x30, 0x72}, 0xc003b50500, {0xc003996828, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1379 +0x615 fp=0xc0074b8ef0 sp=0xc0074b8c08 pc=0xc240f5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc00acf1508, 0xc003b50500) pkg/tcpip/network/ipv6/ipv6.go:1149 +0x81d fp=0xc0074b9448 sp=0xc0074b8ef0 pc=0xc21a9d gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc00ac3ed88, 0x86dd, 0xc003b50500) pkg/tcpip/stack/nic.go:774 +0x20a fp=0xc0074b9480 sp=0xc0074b9448 pc=0xa6154a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc0096ca5a0, 0x86dd, 0xc003b50500) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc0074b94c0 sp=0xc0074b9480 pc=0xc4b850 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc0096ca5a0, 0x86dd, 0xc003b50500) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc0074b94e8 sp=0xc0074b94c0 pc=0xc4d725 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc00821e6c0, 0x86dd, 0xc003b50500) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc0074b9528 sp=0xc0074b94e8 pc=0xc515e6 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc00b1867e8, 0xc0093da6c0) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc0074b9658 sp=0xc0074b9528 pc=0xc54655 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x2?, {0x16cdde0, 0xc008379908}, {{0x16c55d8, 0xc00bac8008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc0074b9718 sp=0xc0074b9658 pc=0xf93f0b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00b186780, {0x16cdde0, 0xc008379908}, {{0x16c55d8, 0xc00bac8008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x9f fp=0xc0074b9798 sp=0xc0074b9718 pc=0x81f7bf gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc008379908, 0xc00b186780, {{0x16c55d8, 0xc00bac8008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc0074b9938 sp=0xc0074b9798 pc=0xce2c25 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc008379908, 0x6fd28c?, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc0074b9a78 sp=0xc0074b9938 pc=0xce240b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc008379908, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc0074b9ca8 sp=0xc0074b9a78 pc=0xb1a4cb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc008379908, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc0074b9d00 sp=0xc0074b9ca8 pc=0xb1ba6e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc008379908, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc0074b9d50 sp=0xc0074b9d00 pc=0xb1b61d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001f18790?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc0074b9e28 sp=0xc0074b9d50 pc=0xb1b309 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004a1c240?, 0xc008379908) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc0074b9f38 sp=0xc0074b9e28 pc=0xb0ea65 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008379908, 0x51f0) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc0074b9fc0 sp=0xc0074b9f38 pc=0xb0d07d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x25 fp=0xc0074b9fe0 sp=0xc0074b9fc0 pc=0xb18a45 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0074b9fe8 sp=0xc0074b9fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 92426 pkg/sentry/kernel/task_start.go:411 +0xd9