diff --git a/net/core/sock.c b/net/core/sock.c
index f67a3c5b0988..b969d2210656 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1893,8 +1893,16 @@ int sk_getsockopt(struct sock *sk, int level, int optname,
 
 		pidfd = pidfd_prepare(peer_pid, 0, &pidfd_file);
 		put_pid(peer_pid);
-		if (pidfd < 0)
+		if (pidfd < 0) {
+			/*
+			 * dbus-broker relies on -EINVAL being returned
+			 * to indicate ESRCH. Paper over it until this
+			 * is fixed in userspace.
+			 */
+			if (pidfd == -ESRCH)
+				pidfd = -EINVAL;
 			return pidfd;
+		}
 
 		if (copy_to_sockptr(optval, &pidfd, len) ||
 		    copy_to_sockptr(optlen, &len, sizeof(int))) {