From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal Date: Sun, 25 Sep 2022 11:43:48 +0300 Message-ID: <83fsgfn8sb.fsf@gnu.org> References: <835yhcom6g.fsf@gnu.org> <831qs0okx4.fsf@gnu.org> <83mtaom0a9.fsf@gnu.org> <83illbnafh.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30618"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 58042@debbugs.gnu.org To: Gerd =?UTF-8?Q?M=C3=B6llmann?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Sep 25 10:45:21 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ocNGL-0007oG-0f for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 25 Sep 2022 10:45:21 +0200 Original-Received: from localhost ([::1]:36762 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ocNGJ-0005sg-W2 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 25 Sep 2022 04:45:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38290) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ocNG2-0005rI-Ml for bug-gnu-emacs@gnu.org; Sun, 25 Sep 2022 04:45:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:46787) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ocNG2-00086R-Ci for bug-gnu-emacs@gnu.org; Sun, 25 Sep 2022 04:45:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ocNG2-0003ta-37 for bug-gnu-emacs@gnu.org; Sun, 25 Sep 2022 04:45:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 25 Sep 2022 08:45:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 58042 X-GNU-PR-Package: emacs Original-Received: via spool by 58042-submit@debbugs.gnu.org id=B58042.166409546614916 (code B ref 58042); Sun, 25 Sep 2022 08:45:02 +0000 Original-Received: (at 58042) by debbugs.gnu.org; 25 Sep 2022 08:44:26 +0000 Original-Received: from localhost ([127.0.0.1]:45865 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ocNFS-0003sW-Io for submit@debbugs.gnu.org; Sun, 25 Sep 2022 04:44:26 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:40990) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ocNFN-0003sF-55 for 58042@debbugs.gnu.org; Sun, 25 Sep 2022 04:44:24 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:50452) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ocNFH-000810-TD; Sun, 25 Sep 2022 04:44:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=1gwCrpcVH/zqEuKCD+Hb96gUiLXBYN4+um8NYhme9Pc=; b=Jjl+Lu42Q15VR4quDOnd sor0hY3r2+fxzr5n0oQ/nawqFYF3ayZG432Qml8AnhNvVNDlL2Kzo0ovGauH0tzW3KTzAdVsD3PxG 1FRQbCKMqQ8BOqSaFPlLccsMb1Wj2h2xtgKfr/U4srxTTniGCIHLZKrUjpRvjhQOMhzNSNgRKmhMU NVDbr9M6ACC9LoNNhZJT5FlLbh9GIBX5CpHkKP9nYE+G4A5Hof/KMASeLj/5RFL8YJr0nCKgjVSyi ipJtCzIeH6Y3/w2md+iNnLN4g6sFwZdLDnx8lzqdDd1WWZn9zofKyIHGhlcjvqZhS1dFBBohLl0Qt duJsvzk+2C3fhQ==; Original-Received: from [87.69.77.57] (port=1301 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ocNF2-0003In-Rd; Sun, 25 Sep 2022 04:44:01 -0400 In-Reply-To: (message from Gerd =?UTF-8?Q?M=C3=B6llmann?= on Sun, 25 Sep 2022 10:28:48 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:243580 Archived-At: > From: Gerd Möllmann > Cc: 58042@debbugs.gnu.org > Date: Sun, 25 Sep 2022 10:28:48 +0200 > > So, the question seems to be what scenario would create a live string > that points into a freed sdata struct. That sounds highly improbable to me. But stranger things have happened...