From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Jason Gibson Newsgroups: gmane.emacs.bugs Subject: bug#40913: 24.5; Crash on open of file Date: Tue, 28 Apr 2020 09:52:31 -0700 Message-ID: <87imhjh7sg.fsf@perforce.com> References: <87lfmghazg.fsf@perforce.com> <83d07s2ddt.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="86265"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 40913@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Apr 28 19:01:36 2020 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 1jTTc0-000MLB-Dc for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 28 Apr 2020 19:01:36 +0200 Original-Received: from localhost ([::1]:40284 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jTTbz-0000cX-5H for geb-bug-gnu-emacs@m.gmane-mx.org; 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DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: PrbbfvVXzl9+SeZoMQ1T7uu4XzdwaKCOWnFDy4PnCyfYp0IvlcBG0nxRaMA7z07FAlROQMsc0eSP2DKR9vk5POvUuA83im9dInBhQPd9JQ0mobqe8I9q1u/AsRM1imb68xY7jBbQyS9DoLsWBjrdlsQ4K5pno47JMNiK9n91dJVHlAknZFYKYvhAW/8ZbvftovUCgqisENDDtbiTFqi/FQjn4Lcwm88NWfS0QOiWIifiMq3cn+YTe7RIpQt7/jlLnWyXRZv8LuI6MEl7w6aQUUfxhmXIgi7KcuCPEEpoW5Cx9mZ25fjnJWPVV4vaK0snyzsrxcJoqX5wveGci4+wXg8qDpCIccyMuYRwb/agJQyzz3epyeV0D2u9w95nEaiZ6s3+QwHTqL9eQvxsiZ4BNnMDwzG+ofMkuXRC2iEpVeO5lRUZE/fU7niIauW1uWfaN+0/U9dWNOj8HWEUth5ckidNe03Tcst0LSYEGhDj8fcG8my5JZjpmoNtcQ5PPfrN0PwDN7nDcdt5Fue20187KRnG+JZBH0tlfhOXqTvazk/f6M28AImwpat40xGTALk4nU1sKr+TGRxJD7aOox5LvzxocSxOydymaOUovESW/dJW/2TkWfUPYQyWoX+AEzR/m5CeJw4DT857U3cPvraU8d8KWHhnJR+60mFBBUxhexC3k6+E9rtaPZTmYpxqqST9JKyJziQn5Rv90t6nc8RVv/s9BepOeT25nCXnSC+CCVSeAF1lqut50FcDoVTQ MPG9fES+k7vXeSKH7fk7rEvWfVvLTNZnEn5R8xeTcHrpazo= X-OriginatorOrg: perforce.com X-MS-Exchange-CrossTenant-Network-Message-Id: ad121aaf-fb64-419d-fe53-08d7eb948bec X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Apr 2020 16:52:33.4308 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 95b666d1-9a75-49ab-95a3-8969fbcdc08c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: f2EfMSYeMrKNYeMBhsYe0dHhaSYZBV0lsLkANWwCPVHRqyn8JhyGuahuAo/i95TZNwYBWJWyXiDe7+Jgy2Ootg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR20MB3372 X-Mailman-Approved-At: Tue, 28 Apr 2020 13:00:19 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Received-From: 209.51.188.43 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:179223 Archived-At: >> From: Jason Gibson >> Date: Mon, 27 Apr 2020 14:31:15 -0700 >> >> Attached is a file that crashes Emacs on find-file (find-file-literally >> does not crash). E.g.: >> >> tar xf foo8.tar >> LC_CTYPE=3Den_US.UTF-8 emacs -Q -nw --eval '(find-file "foo8")' >> *poof* > > Thanks. This is a very old bug, now fixed on the emacs-27 branch. If > you can build that branch, please see that the crash is gone now. The change works for me as well. Since this would seem to be a good vector for remote buffer overflow, it might make sense to backport this to prior releases. Thanks for the quick fix. This e-mail may contain information that is privileged or confidential. If = you are not the intended recipient, please delete the e-mail and any attach= ments and notify us immediately.