Fix SO_RCVTIMEOUT for recvmsg

PiperOrigin-RevId: 194938091
Change-Id: Id17f26df13a915ec0c388aad3198207ea1c28d53

1 files changed, 8 insertions, 1 deletions

diff --git a/pkg/sentry/syscalls/linux/sys_socket.go b/pkg/sentry/syscalls/linux/sys_socket.go
index 3797c0a5d..70c618398 100644
--- a/pkg/sentry/syscalls/linux/sys_socket.go
+++ b/pkg/sentry/syscalls/linux/sys_socket.go
@@ -610,7 +610,14 @@ func RecvMsg(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysca
 		flags |= linux.MSG_DONTWAIT
 	}
 
-	n, err := recvSingleMsg(t, s, msgPtr, flags, false, ktime.Time{})
+	var haveDeadline bool
+	var deadline ktime.Time
+	if dl := s.RecvTimeout(); dl != 0 {
+		deadline = t.Kernel().MonotonicClock().Now().Add(time.Duration(dl) * time.Nanosecond)
+		haveDeadline = true
+	}
+
+	n, err := recvSingleMsg(t, s, msgPtr, flags, haveDeadline, deadline)
 	return n, nil, err
 }