From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains Date: Sat, 10 Jul 2021 19:15:53 +0200 Message-ID: <87v95im6nq.fsf@gnus.org> References: <837di9lwbm.fsf@gnu.org> <87a6n5vuu4.fsf@gnus.org> <8735sqnmei.fsf@gnus.org> <87zguyf4ht.fsf@gmx.de> <87pmvum54p.fsf@gnus.org> <87v95mf2lj.fsf@gmx.de> <87pmvt3ob1.fsf@gnus.org> <83r1g9evoy.fsf@gnu.org> <83pmvtevgg.fsf@gnu.org> <87czrt3mj4.fsf@gnus.org> <878s2h3m1d.fsf@gnus.org> <874kd53lnl.fsf@gnus.org> <87zgux26ab.fsf@gnus.org> <83k0m1e3dg.fsf@gnu.org> <875yxlugcb.fsf@gnus.org> <8335spdjy5.fsf@gnu.org> <878s2hszcx.fsf@gnus.org> <83y2agda7l.fsf@gnu.org> <87a6mup24o.fsf@gnus.org> <83wnpyaymk.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28158"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Paul Eggert , michael.albinus@gmx.de, 49261@debbugs.gnu.org, ncaprisunfan@gmail.com, Stefan Monnier To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jul 10 19:17:10 2021 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 1m2GbF-00077I-V3 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from cm-84.212.220.105.getinternet.no ([84.212.220.105] helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m2Ga1-000633-NB; Sat, 10 Jul 2021 19:15:56 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAgMAAAAqbBEUAAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAADFBMVEUzLTSvo6aFeYH/ //+uDohvAAAAAWJLR0QDEQxM8gAAAAd0SU1FB+UHChEOC0N1IaQAAAFdSURBVCjPTZHBaoNAEIb/ LG3QvdtDT1Iw1DyFPfZWSkbUUwi0NHmKjRBovVsST1airPuU3V2NyR5m/m9n52eWgbctY6xnSrJM wCOicNPHSmU9vJ1SMlwD0FBFOs9MyAokJrsWfpBdKxKlyTAhLUARg1ONPb1wBSNhgCMXbiHIPJUc aeQCngHBtdsc4AZ0PIpBAYyDi1Gj5mAamL2oHe0GP1jBARoHzT57fu8wtyDys1/PEbwZyEVtGoLE wH5wezpC6WeTNXNQj5KvtWMjB1gmGjZjxcs0REOPoj98Y9BMtNtcGQPLixPFRlm4Uz1hOiqw4A/f ub8FXUn8y0c9DaN26hPhUuC3oGe4gWY7gY8mzfQ4/jBcn7VGMutciODa0+nLCX7tJsaBjvUe6UJW bZqGJbWE+PGrpBcKiQ6EUn22tKOA6DUGdedSQ/hBhxX6qqtaqZaqLKTZj1kg8AD8A2iXcoJUEAQV AAAAJXRFWHRkYXRlOmNyZWF0ZQAyMDIxLTA3LTEwVDE3OjE0OjExKzAwOjAwlOjRhAAAACV0RVh0 ZGF0ZTptb2RpZnkAMjAyMS0wNy0xMFQxNzoxNDoxMSswMDowMOW1aTgAAAAASUVORK5CYII= X-Now-Playing: The Style Council's _Our Favourite Shop_: "Homebreakers" In-Reply-To: <83wnpyaymk.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 10 Jul 2021 20:04:51 +0300") 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:209761 Archived-At: Eli Zaretskii writes: > It would be good to try to understand byte code of which function is > being run in frame #3 here: > >> Thread 1 "bootstrap-emacs" received signal SIGSEGV, Segmentation fault. >> 0x00005555556f0549 in AREF (idx=6988131860, array=XIL(0x7ffff1bd901d)) >> at lisp.h:731 >> 731 return lisp_h_XLP (o); >> (gdb) bt >> #0 0x00005555556f0549 in AREF (idx=6988131860, array=XIL(0x7ffff1bd901d)) >> at lisp.h:731 >> #1 HASH_KEY (idx=3494065930, h=0x7ffff1bd8f98) at lisp.h:2374 >> #2 hash_lookup >> (h=0x7ffff1bd8f98, key=XIL(0x555555c76c64), hash=hash@entry=0x0) >> at fns.c:4479 Well, the segfault is in this: for (i = HASH_INDEX (h, start_of_bucket); 0 <= i; i = HASH_NEXT (h, i)) { and you can see that idx (i.e., i here) is 3494065930, which is a very unusual value for idx -- it's usually below 2K. So it can't really be anything other than a memory corruption issue, I think? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no