From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#53136: 28.0.90; segfault in lock_file Date: Sun, 09 Jan 2022 19:43:47 +0800 Message-ID: <875yqtt9qk.fsf@yahoo.com> References: <871r1hv40o.fsf.ref@yahoo.com> <871r1hv40o.fsf@yahoo.com> <83bl0l2we3.fsf@gnu.org> <87r19htjlp.fsf@yahoo.com> <838rvp2tcw.fsf@gnu.org> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15664"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) Cc: 53136@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jan 09 12:45:36 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 1n6Wdk-0003sN-8J for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sun, 9 Jan 2022 11:44:00 +0000 Original-Received: by kubenode516.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 19bcaebdae619cd91c28a199d7fb9cb5; Sun, 09 Jan 2022 11:43:53 +0000 (UTC) In-Reply-To: <838rvp2tcw.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 09 Jan 2022 10:42:07 +0200") X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo 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:223842 Archived-At: Eli Zaretskii writes: > So we somehow wrote more than 8192 bytes by that memcpy line? I find > this hard to believe. Manual inspection of the core dump seems to reveal something very different from what the debugger said (and I asked for a second opinion on this as well): - lock_info.dot and lock_info.colon are NULL. - lock_filename is a Lisp string, the data is "/home/oldosfan/Mail/archive/sent/2022-01". - handler, subject_buf are NULL - dot is NULL - pidlen is -1 (long int) - replacementlen is 6 Any ideas? Thanks.