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#62504: 30.0.50; SEGFAULT On M-x Date: Tue, 28 Mar 2023 20:01:01 +0300 Message-ID: <831ql895f6.fsf@gnu.org> References: <630CCFC3-9FB3-4BED-AC3B-A3D1005F3613@gmail.com> 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="40905"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 62504@debbugs.gnu.org To: Jacob Faibussowitsch , Andrea Corallo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Mar 28 19:02:34 2023 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 1phCiP-000AKs-Rr for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 28 Mar 2023 19:02:33 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1phCi6-0000vD-Ce; Tue, 28 Mar 2023 13:02:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1phCi2-0000uU-37 for bug-gnu-emacs@gnu.org; Tue, 28 Mar 2023 13:02:10 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1phCht-0006Y7-PG for bug-gnu-emacs@gnu.org; Tue, 28 Mar 2023 13:02:06 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1phCht-0000ql-Kc for bug-gnu-emacs@gnu.org; Tue, 28 Mar 2023 13:02:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 28 Mar 2023 17:02:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 62504 X-GNU-PR-Package: emacs Original-Received: via spool by 62504-submit@debbugs.gnu.org id=B62504.16800228703192 (code B ref 62504); Tue, 28 Mar 2023 17:02:01 +0000 Original-Received: (at 62504) by debbugs.gnu.org; 28 Mar 2023 17:01:10 +0000 Original-Received: from localhost ([127.0.0.1]:50613 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1phCh3-0000pQ-Jr for submit@debbugs.gnu.org; Tue, 28 Mar 2023 13:01:09 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:42264) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1phCgz-0000om-00 for 62504@debbugs.gnu.org; Tue, 28 Mar 2023 13:01:08 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1phCgs-00069L-MX; Tue, 28 Mar 2023 13:00:58 -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=cc52lOXePHGyJWifM5rpqTPdr8bvQipLGy3jMLeGcCs=; b=aL1m52nByJ7ac/7VbAl/ FcHfDrQMCiE+MEo2O0Xjh31yZLb7DcqQxPFOtz1wehKNbV5oPJv+Vzdov16G/FfBLfGPgfGnNj8qH 9/FsjkdUbaCpmydhWM0cajtk1aKsjS+MHT6pK5prxsACfSES4+s6no6sK3fo3GhuIAlTe8HG2HQEd z1TY9GawVhROnP6x8milAaGWXhW6TRdVzrxkICMP9NlN5JPtDamAoSBZ9PhfXw8VB6xkH3vu5wmgK JqfA6yoBA4M2zzX4117FC3Z+PjcGDXel24zEDNLJqVitnnaR1dzaS7tfCTz0hu2MyE8djbwcWbsaz 3fEbG6o+O7C8tQ==; Original-Received: from [87.69.77.57] (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 1phCgq-0006HS-9J; Tue, 28 Mar 2023 13:00:57 -0400 In-Reply-To: <630CCFC3-9FB3-4BED-AC3B-A3D1005F3613@gmail.com> (message from Jacob Faibussowitsch on Tue, 28 Mar 2023 11:25:49 -0400) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:258815 Archived-At: > From: Jacob Faibussowitsch > Date: Tue, 28 Mar 2023 11:25:49 -0400 > > This bug is twofold and appears to be related to bug#62446 and bug#61917. I produce a much smaller reproducer that generates the same kind of error as bug#61917, namely `(wrong-number-of-arguments # 2)`. Segfaults only occur after the following commit: > > commit 52b67740d10df8ca539fdc2c7d50283997683141 > Author: Mattias Engdegård > Date: Sat Mar 25 15:38:00 2023 +0100 > > Generalise a LAP optimisation rule > > * lisp/emacs-lisp/byte-opt.el (byte-optimize-lapcode): > Accept (stack-set 1) as equivalent to (discardN-preserve-tos 1) in a > rule previously overlooked. This is usually beneficial in code size > and almost always shortens dynamic paths. > > > Common setup: > > 1. mkdir repro > 2. Put attached init.el and main.c inside (technically, main.c need not be in repro) > > ——— > > To reproduce bug#61917: > > 1. git checkout master > 2. configure --with-native-compilation \ > --without-x \ > --without-ns \ > --without-compress-install \ > --with-native-compilation \ > --with-json \ > --with-tree-sitter > 3. make bootstrap > 4. emacs --init-directory ../repro > 5. Check messages, and ye shall find the bug message. > > ——— > > To reproduce segfault: > > 1. git checkout 52b67740d10df8ca539fdc2c7d50283997683141 > 2. Perform same configure and build commands as above. > 3. emacs --init-directory ../repro ../repro/main.c (loading main.c is *required*, the segfault does not fire otherwise) > 4. (In emacs) M-x > 5. Fatal error 11: Segmentation fault Thanks. Andrea, maybe this will help you investigate the issue.