From patchwork Sat Jun 6 23:37:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 39499 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 9CE2D384A026; Sat, 6 Jun 2020 23:37:17 +0000 (GMT) X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from hera.aquilenet.fr (hera.aquilenet.fr [IPv6:2a0c:e300::1]) by sourceware.org (Postfix) with ESMTPS id 6E2BB3851C17 for ; Sat, 6 Jun 2020 23:37:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 6E2BB3851C17 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ens-lyon.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=samuel.thibault@ens-lyon.org Received: from localhost (localhost [127.0.0.1]) by hera.aquilenet.fr (Postfix) with ESMTP id 3A4ED55F7; Sun, 7 Jun 2020 01:37:12 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at aquilenet.fr Received: from hera.aquilenet.fr ([127.0.0.1]) by localhost (hera.aquilenet.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jNMUmB2AbMRB; Sun, 7 Jun 2020 01:37:09 +0200 (CEST) Received: from function.home (unknown [IPv6:2a01:cb19:956:1b00:9eb6:d0ff:fe88:c3c7]) by hera.aquilenet.fr (Postfix) with ESMTPSA id 00CD237A0; Sun, 7 Jun 2020 01:37:07 +0200 (CEST) Received: from samy by function.home with local (Exim 4.93) (envelope-from ) id 1jhiN8-00GGEK-Ik; Sun, 07 Jun 2020 01:37:06 +0200 From: Samuel Thibault To: libc-alpha@sourceware.org Subject: [hurd,commited] hurd: Reject raising invalid signals Date: Sun, 7 Jun 2020 01:37:06 +0200 Message-Id: <20200606233706.3875595-1-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_NEUTRAL, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: commit-hurd@gnu.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" * hurd/hurd-raise.c (_hurd_raise_signal): Return EINVAL if signo <= 0 or signo >= NSI. --- hurd/hurd-raise.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hurd/hurd-raise.c b/hurd/hurd-raise.c index d53fd417d2..af464377b6 100644 --- a/hurd/hurd-raise.c +++ b/hurd/hurd-raise.c @@ -28,6 +28,9 @@ int _hurd_raise_signal (struct hurd_sigstate *ss, int signo, const struct hurd_signal_detail *detail) { + if (signo <= 0 || signo >= NSIG) + return EINVAL; + if (ss == NULL) { ss = _hurd_self_sigstate ();