panic: Unknown error: header is malformed goroutine 522747 [running]: panic(0x10b2300, 0xc00e77bfa0) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc00211b6d8 sp=0xc00211b620 pc=0x437110 gvisor.dev/gvisor/pkg/syserr.TranslateNetstackError(0x1ced000, 0x14028c0) pkg/syserr/netstack.go:124 +0x147 fp=0xc00211b720 sp=0xc00211b6d8 pc=0x71c5a7 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc017e18e30, 0xc00ecdc000, 0x141d5e0, 0xc018501000, 0xc00a736560, 0x2, 0x0, 0x10011, 0x100, 0xc017e20e70, ...) pkg/sentry/socket/netstack/netstack.go:3771 +0x21e fp=0xc00211b8b0 sp=0xc00211b720 pc=0xbd543e gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc00ecdc000, 0x7f0663a94858, 0xc017e18dc0, 0xc017e18dc0, 0x200002c0, 0x0, 0x3d, 0x3712, 0xc00211bbd4) pkg/sentry/syscalls/linux/vfs2/socket.go:1361 +0x45e fp=0xc00211baf0 sp=0xc00211b8b0 pc=0xe750be gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMsg(0xc00ecdc000, 0x3, 0x200002c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/socket.go:1193 +0x23c fp=0xc00211bb90 sp=0xc00211baf0 pc=0xe7421c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00ecdc000, 0x2e, 0x3, 0x200002c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1289880, ...) pkg/sentry/kernel/task_syscall.go:116 +0x1b9 fp=0xc00211bc50 sp=0xc00211bb90 pc=0xa4d799 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00ecdc000, 0x2e, 0x3, 0x200002c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:291 +0x70 fp=0xc00211bcd8 sp=0xc00211bc50 pc=0xa4ea50 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00ecdc000, 0x2e, 0x3, 0x200002c0, 0x0, 0x0, 0x0, 0x0, 0xc019cdaee0, 0xc019cdae40) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc00211bd38 sp=0xc00211bcd8 pc=0xa4e554 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00ecdc000, 0x2, 0xc00ecdc000) pkg/sentry/kernel/task_syscall.go:205 +0x198 fp=0xc00211be08 sp=0xc00211bd38 pc=0xa4de38 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00ecdc000, 0x13f4c80, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc00211bf60 sp=0xc00211be08 pc=0xa408f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00ecdc000, 0x5082) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc00211bfd0 sp=0xc00211bf60 pc=0xa3f402 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00211bfd8 sp=0xc00211bfd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:374 +0x116