panic: Unknown error: header is malformed goroutine 792 [running]: panic(0xfd2320, 0xc000330420) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0005e5528 sp=0xc0005e5470 pc=0x437110 gvisor.dev/gvisor/pkg/syserr.TranslateNetstackError(...) pkg/syserr/netstack.go:113 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc000843b70, 0xc0008be000, 0x1323200, 0xc0008ba000, 0xc000606e00, 0x2, 0x0, 0x10011, 0x100, 0xc000505ac0, ...) pkg/sentry/socket/netstack/netstack.go:3027 +0xf06 fp=0xc0005e5818 sp=0xc0005e5528 pc=0xb30426 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc0008be000, 0x7fcf8ad87bd8, 0xc000843b00, 0xc000843b00, 0x200002c0, 0xc000000000, 0xfff, 0x10001ff0000, 0x5e5a78) pkg/sentry/syscalls/linux/vfs2/socket.go:1051 +0x3f5 fp=0xc0005e5a58 sp=0xc0005e5818 pc=0xda4f35 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMsg(0xc0008be000, 0x3, 0x200002c0, 0x0, 0x4, 0x1, 0x1, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/socket.go:929 +0x225 fp=0xc0005e5af8 sp=0xc0005e5a58 pc=0xda4305 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0008be000, 0x2e, 0x3, 0x200002c0, 0x0, 0x4, 0x1, 0x1, 0xdde617, 0x11a9b00, ...) pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc0005e5c58 sp=0xc0005e5af8 pc=0x9d2a1c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0008be000, 0x2e, 0x3, 0x200002c0, 0x0, 0x4, 0x1, 0x1, 0x1, 0x1) pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc0005e5ce0 sp=0xc0005e5c58 pc=0x9d3be6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0008be000, 0x2e, 0x3, 0x200002c0, 0x0, 0x4, 0x1, 0x1, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc0005e5d40 sp=0xc0005e5ce0 pc=0x9d3798 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0008be000, 0x2, 0xc0008be000) pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc0005e5e10 sp=0xc0005e5d40 pc=0x9d313c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0008be000, 0x12fa5a0, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc0005e5f60 sp=0xc0005e5e10 pc=0x9c7545 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0008be000, 0x1c) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0005e5fd0 sp=0xc0005e5f60 pc=0x9c620f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0005e5fd8 sp=0xc0005e5fd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe