panic: PullUp failed goroutine 29607 gp=0xc0030f8e00 m=24 mp=0xc001800008 [running]: panic({0x12348a0?, 0x16a8200?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0030bc7a8 sp=0xc0030bc6f8 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc0030bc868?, 0x782425?) pkg/tcpip/stack/packet_buffer.go:366 +0x178 fp=0xc0030bc848 sp=0xc0030bc7a8 pc=0xa65b78 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Slice({0xc003a18280?, 0xc0032035f0?}) pkg/tcpip/stack/packet_buffer.go:504 +0x26 fp=0xc0030bc8b8 sp=0xc0030bc848 pc=0xa66666 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc003dd0a88, {0xc00128680e, 0x30, 0x7?}, 0xc003a18280, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1512 +0x2ff fp=0xc0030bc9b8 sp=0xc0030bc8b8 pc=0xc2515f gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc003dd0a88, {0xc00128680e, 0x30, 0x72}, 0xc003a18280, {0xc001bdbb28?, 0xa65801?}) pkg/tcpip/network/ipv6/ipv6.go:1400 +0xe5 fp=0xc0030bcc08 sp=0xc0030bc9b8 pc=0xc24305 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc003dd0a88, {0xc00128680e, 0x30, 0x72}, 0xc003a18280, {0xc001bdbb28, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1379 +0x615 fp=0xc0030bcef0 sp=0xc0030bcc08 pc=0xc240f5 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc003dd0a88, 0xc003a18280) pkg/tcpip/network/ipv6/ipv6.go:1149 +0x81d fp=0xc0030bd448 sp=0xc0030bcef0 pc=0xc21a9d gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc003dca248, 0x86dd, 0xc003a18280) pkg/tcpip/stack/nic.go:774 +0x20a fp=0xc0030bd480 sp=0xc0030bd448 pc=0xa6154a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc0002f2780, 0x86dd, 0xc003a18280) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc0030bd4c0 sp=0xc0030bd480 pc=0xc4b850 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc0002f2780, 0x86dd, 0xc003a18280) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc0030bd4e8 sp=0xc0030bd4c0 pc=0xc4d725 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc003733ec0, 0x86dd, 0xc003a18280) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc0030bd528 sp=0xc0030bd4e8 pc=0xc515e6 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc0023e4a28, 0xc0031ee090) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc0030bd658 sp=0xc0030bd528 pc=0xc54655 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x3fa8cce7c000?, {0x16cdde0, 0xc00138c588}, {{0x16c55d8, 0xc002dfb008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc0030bd718 sp=0xc0030bd658 pc=0xf93f0b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0023e49c0, {0x16cdde0, 0xc00138c588}, {{0x16c55d8, 0xc002dfb008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x9f fp=0xc0030bd798 sp=0xc0030bd718 pc=0x81f7bf gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc00138c588, 0xc0023e49c0, {{0x16c55d8, 0xc002dfb008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc0030bd938 sp=0xc0030bd798 pc=0xce2c25 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc00138c588, 0x10?, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc0030bda78 sp=0xc0030bd938 pc=0xce240b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00138c588, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc0030bdca8 sp=0xc0030bda78 pc=0xb1a4cb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00138c588, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc0030bdd00 sp=0xc0030bdca8 pc=0xb1ba6e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00138c588, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc0030bdd50 sp=0xc0030bdd00 pc=0xb1b61d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0019244d0?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc0030bde28 sp=0xc0030bdd50 pc=0xb1b309 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00292b8c0?, 0xc00138c588) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc0030bdf38 sp=0xc0030bde28 pc=0xb0ea65 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00138c588, 0x19ec) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc0030bdfc0 sp=0xc0030bdf38 pc=0xb0d07d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x25 fp=0xc0030bdfe0 sp=0xc0030bdfc0 pc=0xb18a45 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0030bdfe8 sp=0xc0030bdfe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 29563 pkg/sentry/kernel/task_start.go:411 +0xd9