1 files changed, 3 insertions, 1 deletions
diff --git a/net/slirp.c b/net/slirp.c
index 005c2675e6..1e14318b4d 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -492,7 +492,9 @@ void hmp_hostfwd_remove(Monitor *mon, const QDict *qdict)
         goto fail_syntax;
     }
 
-    host_port = atoi(p);
+    if (qemu_strtoi(p, NULL, 10, &host_port)) {
+        goto fail_syntax;
+    }
 
     err = slirp_remove_hostfwd(s->slirp, is_udp, host_addr, host_port);