panic: PullUp failed goroutine 112878 gp=0xc00141ba40 m=21 mp=0xc001780008 [running]: panic({0x1234820?, 0x16a80f0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc004e227a8 sp=0xc004e226f8 pc=0x473fe8 gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).headerView(0xc004e22868?, 0x782305?) pkg/tcpip/stack/packet_buffer.go:366 +0x178 fp=0xc004e22848 sp=0xc004e227a8 pc=0xa65898 gvisor.dev/gvisor/pkg/tcpip/stack.PacketHeader.Slice({0xc009f37040?, 0xc00979cd80?}) pkg/tcpip/stack/packet_buffer.go:504 +0x26 fp=0xc004e228b8 sp=0xc004e22848 pc=0xa66386 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).processExtensionHeaders(0xc006d4ea88, {0xc004f5650e, 0x30, 0x7?}, 0xc009f37040, 0x0) pkg/tcpip/network/ipv6/ipv6.go:1512 +0x2ff fp=0xc004e229b8 sp=0xc004e228b8 pc=0xc24ebf gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).deliverPacketLocally(0xc006d4ea88, {0xc004f5650e, 0x30, 0x72}, 0xc009f37040, {0xc001da91d8?, 0xa65501?}) pkg/tcpip/network/ipv6/ipv6.go:1400 +0xe5 fp=0xc004e22c08 sp=0xc004e229b8 pc=0xc24065 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handleValidatedPacket(0xc006d4ea88, {0xc004f5650e, 0x30, 0x72}, 0xc009f37040, {0xc001da91d8, 0x7}) pkg/tcpip/network/ipv6/ipv6.go:1379 +0x615 fp=0xc004e22ef0 sp=0xc004e22c08 pc=0xc23e55 gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc006d4ea88, 0xc009f37040) pkg/tcpip/network/ipv6/ipv6.go:1149 +0x81d fp=0xc004e23448 sp=0xc004e22ef0 pc=0xc217fd gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc00677c6c8, 0x86dd, 0xc009f37040) pkg/tcpip/stack/nic.go:774 +0x20a fp=0xc004e23480 sp=0xc004e23448 pc=0xa6126a gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc009d6a870, 0x86dd, 0xc009f37040) pkg/tcpip/link/nested/nested.go:61 +0xb0 fp=0xc004e234c0 sp=0xc004e23480 pc=0xc4b5b0 gvisor.dev/gvisor/pkg/tcpip/link/packetsocket.(*endpoint).DeliverNetworkPacket(0xc009d6a870, 0x86dd, 0xc009f37040) pkg/tcpip/link/packetsocket/packetsocket.go:47 +0x45 fp=0xc004e234e8 sp=0xc004e234c0 pc=0xc4d485 gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectInbound(0xc0095bbec0, 0x86dd, 0xc009f37040) pkg/tcpip/link/channel/channel.go:207 +0x86 fp=0xc004e23528 sp=0xc004e234e8 pc=0xc512e6 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc006d36668, 0xc002017410) pkg/tcpip/link/tun/device.go:250 +0x755 fp=0xc004e23658 sp=0xc004e23528 pc=0xc54355 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0x3f0bd5d53000?, {0x16cdcc0, 0xc009039908}, {{0x16c54b8, 0xc008f99008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, ...}}, ...) pkg/sentry/devices/tundev/tundev.go:163 +0x36b fp=0xc004e23718 sp=0xc004e23658 pc=0xf93b2b gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc006d36600, {0x16cdcc0, 0xc009039908}, {{0x16c54b8, 0xc008f99008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:682 +0x9f fp=0xc004e23798 sp=0xc004e23718 pc=0x81f69f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc009039908, 0xc006d36600, {{0x16c54b8, 0xc008f99008}, {0x0, 0x1, 0x20000940, 0x52}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0x85 fp=0xc004e23938 sp=0xc004e23798 pc=0xce2905 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc009039908, 0xc0016bf8f8?, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x22b fp=0xc004e23a78 sp=0xc004e23938 pc=0xce20eb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009039908, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc004e23ca8 sp=0xc004e23a78 pc=0xb1a22b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009039908, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc004e23d00 sp=0xc004e23ca8 pc=0xb1b7ce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc009039908, 0x1, {{0xc8}, {0x20000940}, {0x52}, {0x52}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc004e23d50 sp=0xc004e23d00 pc=0xb1b37d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc008cf6370?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc004e23e28 sp=0xc004e23d50 pc=0xb1b069 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc008a642d0?, 0xc009039908) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc004e23f38 sp=0xc004e23e28 pc=0xb0e7c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009039908, 0x6333) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc004e23fc0 sp=0xc004e23f38 pc=0xb0cddd gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:411 +0x25 fp=0xc004e23fe0 sp=0xc004e23fc0 pc=0xb187a5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc004e23fe8 sp=0xc004e23fe0 pc=0x47d0c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 112883 pkg/sentry/kernel/task_start.go:411 +0xd9