From 238645f6de1f51d50f8e8000739b19194d884cbc Mon Sep 17 00:00:00 2001
From: Otto Bittner <ob@edgeless.systems>
Date: Thu, 8 Feb 2024 12:56:30 +0000
Subject: [PATCH] hostnet: stub SIOCGIFADDR

mpirun requires this syscall. If mpirun is not actually used,
i.e. no multinode processing, making the call succeed
without doing anything is enough to make it work.
---
 pkg/sentry/socket/hostinet/socket_unsafe.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkg/sentry/socket/hostinet/socket_unsafe.go b/pkg/sentry/socket/hostinet/socket_unsafe.go
index 3a9a7a188f..b90f758917 100644
--- a/pkg/sentry/socket/hostinet/socket_unsafe.go
+++ b/pkg/sentry/socket/hostinet/socket_unsafe.go
@@ -91,6 +91,8 @@ func ioctl(ctx context.Context, fd int, io usermem.IO, sysno uintptr, args arch.
 		}
 		_, err := ifr.CopyOut(cc, args[2].Pointer())
 		return 0, err
+	case linux.SIOCGIFADDR:
+		return 0, nil
 	case linux.SIOCGIFCONF:
 		cc := &usermem.IOCopyContext{
 			Ctx: ctx,