panic: PullUp failed goroutine 1171 gp=0xc000df9340 m=21 mp=0xc00063c308 [running]: panic({0x1230720?, 0x16a4210?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000f747a8 sp=0xc000f746f8 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc000f74868?, 0x782305?) pkg/tcpip/stack/packet_buffer.go:366 +0x178 fp=0xc000f74848 sp=0xc000f747a8 pc=0xa652b8 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Slice({0xc0001e6140?, 0xc000dfb4d0?}) pkg/tcpip/stack/packet_buffer.go:504 +0x26 fp=0xc000f748b8 sp=0xc000f74848 pc=0xa65da6 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc0007c9508, {0xc00049af8e, 0x30, 0x7?}, 0xc0001e6140, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1508 +0x2ff fp=0xc000f749b8 sp=0xc000f748b8 pc=0xc2237f gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc0007c9508, {0xc00049af8e, 0x30, 0x72}, 0xc0001e6140, {0xc000c007f0?, 0xa64f01?}) pkg/tcpip/network/ipv6/ipv6.go:1397 +0xe5 fp=0xc000f74c08 sp=0xc000f749b8 pc=0xc21565 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc0007c9508, {0xc00049af8e, 0x30, 0x72}, 0xc0001e6140, {0xc000c007f0, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1376 +0x615 fp=0xc000f74ef0 sp=0xc000f74c08 pc=0xc21355 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0007c9508, 0xc0001e6140) pkg/tcpip/network/ipv6/ipv6.go:1146 +0x81d fp=0xc000f75448 sp=0xc000f74ef0 pc=0xc1ecfd gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc00061e6c8, 0x86dd, 0xc0001e6140) pkg/tcpip/stack/nic.go:769 +0x20a fp=0xc000f75480 sp=0xc000f75448 pc=0xa60caa gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc0006844b0, 0x86dd, 0xc0001e6140) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc000f754c0 sp=0xc000f75480 pc=0xc48a50 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc0006844b0, 0x86dd, 0xc0001e6140) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc000f754e8 sp=0xc000f754c0 pc=0xc4a925 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc00087c240, 0x86dd, 0xc0001e6140) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc000f75528 sp=0xc000f754e8 pc=0xc4e786 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc0004248a8, 0xc000017ce0) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc000f75658 sp=0xc000f75528 pc=0xc517f5 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x7f3f8b5ca000?, {0x16c9bc0, 0xc001116c88}, {{0x16c13d8, 0xc000fa8008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc000f75718 sp=0xc000f75658 pc=0xf9142b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000424840, {0x16c9bc0, 0xc001116c88}, {{0x16c13d8, 0xc000fa8008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:679 +0x9f fp=0xc000f75798 sp=0xc000f75718 pc=0x81f5bf gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc001116c88, 0xc000424840, {{0x16c13d8, 0xc000fa8008}, {0x0, 0x1, 0x200007c0, 0x52}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc000f75938 sp=0xc000f75798 pc=0xcdfb45 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc001116c88, 0xc000f75ad0?, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc000f75a78 sp=0xc000f75938 pc=0xcdf32b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001116c88, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000f75ca8 sp=0xc000f75a78 pc=0xb1d4eb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001116c88, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000f75d00 sp=0xc000f75ca8 pc=0xb1ea8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001116c88, 0x1, {{0xc8}, {0x200007c0}, {0x52}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000f75d50 sp=0xc000f75d00 pc=0xb1e63d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00111a0d0?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000f75e28 sp=0xc000f75d50 pc=0xb1e329 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000e6d8c0?, 0xc001116c88) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc000f75f38 sp=0xc000f75e28 pc=0xb11b85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001116c88, 0x3e) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000f75fc0 sp=0xc000f75f38 pc=0xb1019d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc000f75fe0 sp=0xc000f75fc0 pc=0xb1ba65 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000f75fe8 sp=0xc000f75fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1125 pkg/sentry/kernel/task_start.go:400 +0xd9