From patchwork Mon Jan 12 20:25:00 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 127922 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from vm01.sourceware.org (localhost [127.0.0.1]) by sourceware.org (Postfix) with ESMTP id CD6294BA2E04 for ; Mon, 12 Jan 2026 20:25:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CD6294BA2E04 X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from sonata.ens-lyon.org (sonata.ens-lyon.org [140.77.166.138]) by sourceware.org (Postfix) with ESMTPS id 6C36B4BA2E1E for ; Mon, 12 Jan 2026 20:25:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 6C36B4BA2E1E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ens-lyon.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=bounce.ens-lyon.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 6C36B4BA2E1E Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=140.77.166.138 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1768249502; cv=none; b=KBYGVcBLY0o3TgOlbUJR7ImUITtLuK10h8TO0phYPSufB2leTbJBO7Lyh5jS58DBgnNOSgEBYRKYU1d2pdsO7JHz+wb1LgykL827fcvXdhXoFRmUYv9/FLX084Jf5q4pc+Jg7xkDPL6+1LkxpL8UiKqrDe9VX0U2ZiTUtLfX9fY= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1768249502; c=relaxed/simple; bh=ZRI/gv8Hx3A/Hyls4YWsQWAMgcYlDFICIIm2P6t9Kyw=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=Kf7UZlLDRyl/AVM+mIodunTlPxx4V7/0xmaqYlRxLeCKhoz9/LpJ4hW71RTQauITcZ6cGxvxYBcK87Y0G2wQqEc133PSGgElMDEwnsXnI28XQAgR+cxeI2j/QiWlw9lYKfxXWYzDn8sjjH653fo0XNKYFr1oVbfYc/UHyPZ2iHc= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6C36B4BA2E1E Received: from localhost (localhost [127.0.0.1]) by sonata.ens-lyon.org (Postfix) with ESMTP id 666F0A2123; Mon, 12 Jan 2026 21:25:01 +0100 (CET) Received: from sonata.ens-lyon.org ([127.0.0.1]) by localhost (sonata.ens-lyon.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id G-lsZkCHKSva; Mon, 12 Jan 2026 21:25:01 +0100 (CET) Received: from end (aamiens-653-1-40-48.w83-192.abo.wanadoo.fr [83.192.199.48]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by sonata.ens-lyon.org (Postfix) with ESMTPSA id 2F4A4A1CF4; Mon, 12 Jan 2026 21:25:01 +0100 (CET) Received: from samy by end with local (Exim 4.99.1) (envelope-from ) id 1vfOTE-000000009kS-38P1; Mon, 12 Jan 2026 21:25:00 +0100 From: Samuel Thibault To: libc-alpha@sourceware.org Cc: Samuel Thibault , commit-hurd@gnu.org Subject: [hurd,commited] tst-if_nameindex.c: Fix minimum buffer size Date: Mon, 12 Jan 2026 21:25:00 +0100 Message-ID: <20260112202500.37465-1-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.51.0 MIME-Version: 1.0 X-Spam-Status: No, score=-13.0 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_BLOCKED, RCVD_IN_VALIDITY_RPBL_BLOCKED, RCVD_IN_VALIDITY_SAFE_BLOCKED, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces~patchwork=sourceware.org@sourceware.org The standard says that the buffer given to if_indextoname shall have at least IF_NAMESIZE bytes. --- inet/tst-if_nameindex.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/inet/tst-if_nameindex.c b/inet/tst-if_nameindex.c index c14fc64b92..a371dc4fc1 100644 --- a/inet/tst-if_nameindex.c +++ b/inet/tst-if_nameindex.c @@ -72,6 +72,8 @@ do_test (void) if (strlen (ifp->if_name) + 1 > buflen) buflen = strlen (ifp->if_name) + 1; } + if (buflen < IF_NAMESIZE) + buflen = IF_NAMESIZE; buffer = (char *) xmalloc (buflen); /* Check normal operation. */