panic: Unknown error: header is malformed goroutine 585 [running]: panic(0x16ecae0, 0xc00019c270) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000730d98 sp=0xc000730ce0 pc=0x439130 gvisor.dev/gvisor/pkg/syserr.TranslateNetstackError(...) pkg/syserr/netstack.go:115 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc000266a10, 0xc000259500, 0x1ab2940, 0xc000740000, 0xc00003e020, 0x2, 0x0, 0x10011, 0x100, 0xc000422140, ...) pkg/sentry/socket/netstack/netstack.go:2921 +0x1457 fp=0xc000731150 sp=0xc000730d98 pc=0xf6c1f7 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).SendMsg(0xc0002669a0, 0xc000259500, 0x1ab2940, 0xc000740000, 0xc00003e020, 0x2, 0x0, 0x10011, 0x100, 0xc000422140, ...) :1 +0x178 fp=0xc000731310 sp=0xc000731150 pc=0xf7fbd8 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc000259500, 0x7f7e26308008, 0xc0002669a0, 0xc0002669a0, 0x200002c0, 0x0, 0x0, 0xc000731690, 0xc000731aa8) pkg/sentry/syscalls/linux/vfs2/socket.go:1051 +0x45a fp=0xc000731648 sp=0xc000731310 pc=0x13190fa gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMsg(0xc000259500, 0x3, 0x200002c0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/socket.go:929 +0x2c6 fp=0xc000731730 sp=0xc000731648 pc=0x1318406 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000259500, 0x2e, 0x3, 0x200002c0, 0x0, 0x0, 0x1, 0x1, 0x13, 0x138d820, ...) pkg/sentry/kernel/task_syscall.go:104 +0x453 fp=0xc0007319d0 sp=0xc000731730 pc=0xd67733 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000259500, 0x2e, 0x3, 0x200002c0, 0x0, 0x0, 0x1, 0x1, 0x408638, 0xc000259ddf) pkg/sentry/kernel/task_syscall.go:239 +0xba fp=0xc000731ab0 sp=0xc0007319d0 pc=0xd68eba gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000259500, 0x2e, 0x3, 0x200002c0, 0x0, 0x0, 0x1, 0x1, 0x1382dcb, 0x2d34854) pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc000731b60 sp=0xc000731ab0 pc=0xd687cf gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000259500, 0x2, 0xc000259500) pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc000731ca0 sp=0xc000731b60 pc=0xd67f6a gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000259500, 0x1a89780, 0x0) pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc000731ed8 sp=0xc000731ca0 pc=0xd538e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000259500, 0xc) pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc000731fd0 sp=0xc000731ed8 pc=0xd51a18 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000731fd8 sp=0xc000731fd0 pc=0x474681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0x1a5