From unknown Sat Aug 16 16:12:48 2025 X-Loop: help-debbugs@gnu.org Subject: bug#32531: Emacs 27 crash with `memory-use-counts' Resent-From: Karl Otness Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 26 Aug 2018 03:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 32531 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 32531@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.153525545129236 (code B ref -1); Sun, 26 Aug 2018 03:51:02 +0000 Received: (at submit) by debbugs.gnu.org; 26 Aug 2018 03:50:51 +0000 Received: from localhost ([127.0.0.1]:60867 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ftm4h-0007bT-BD for submit@debbugs.gnu.org; Sat, 25 Aug 2018 23:50:51 -0400 Received: from eggs.gnu.org ([208.118.235.92]:59125) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ftm4f-0007bD-NK for submit@debbugs.gnu.org; Sat, 25 Aug 2018 23:50:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ftm4Z-0005ub-QD for submit@debbugs.gnu.org; Sat, 25 Aug 2018 23:50:44 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:33926) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ftm4Z-0005uA-N7 for submit@debbugs.gnu.org; Sat, 25 Aug 2018 23:50:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51868) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ftm4Y-00043W-TF for bug-gnu-emacs@gnu.org; Sat, 25 Aug 2018 23:50:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ftm4V-0005cP-Ma for bug-gnu-emacs@gnu.org; Sat, 25 Aug 2018 23:50:42 -0400 Received: from mail-it0-x236.google.com ([2607:f8b0:4001:c0b::236]:55122) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ftm4V-0005Vx-4r for bug-gnu-emacs@gnu.org; Sat, 25 Aug 2018 23:50:39 -0400 Received: by mail-it0-x236.google.com with SMTP id l186-v6so6977763itb.4 for ; Sat, 25 Aug 2018 20:50:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=karlotness-com.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=u/JZxj1Nt2RvCeGCrHkbY5Iy27+AMbx5NBkj/eA83lQ=; b=xSDXKJf8Nw+72qfU/glqqhxmkLNcPyQjei894nsK6GSP88CRNEt5yHIeoT2M2SoYHD K0SX6rfjLM6iCoiCrOXky7W//i0sOKj0zLPmRlMvVk0m1QUfNZ91OX3egHD38e8p+Yh6 kDWS2/Ig43+Oku5OScr4RDiT61TvLzW0aMD7TZ4D4j0DXTA8k/HYDohkStuychUIKDw6 lo+BKvoH6prKXX9ZOFr4bD4ka8Pcu+xk+ooK7CasbuipEZotVxPqgHg23sY3ijgJYxi4 +4z16azH3qurPCK0W6WN7RStUidN9X+P/OoPr6Olh408zx/oHHAGW18i9TvrC71n0IIP ZQaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=u/JZxj1Nt2RvCeGCrHkbY5Iy27+AMbx5NBkj/eA83lQ=; b=dC+OzPCmhmUSUqPNsLpv18UhozK5VZ7fsUZ1GJS+T7+oAqQieOOGz2xv7brNN9AWYO mucFDxlDPtL8DpWLcqRiOa5Z2m/RIoFyuXRoJDxnih5UZJBWV68xnQmiwYU9ePSxdgUS ArDUS+cE/8h3GWEUJEvotlPdxMFjNnyLkWZWMo7Gk+M6ptPNQ6z2cLTaUzm8bfkRT4VE 6bwDWlG/wEGbNuHvn3IcYOc7lIuM7ABRvmQ8+fUGrGxtoZa5eo1nbCLXBujF0SccCn2H W3Dit9vFGACgbwrtzMB9P7pp97tACHlea3a9lRzKhfZb6md/bKFaBdcMOuRVsWMcvfcp rySw== X-Gm-Message-State: APzg51BkrpR7VITydsI/VAO+9COGPDU1YLK4QiWZtWOmT7rY72GavjWq ovwbCwVplC9k/+MtxJklqZF/EKMgoqA= X-Google-Smtp-Source: ANB0VdaHm5CfFaaEC64yrzfMOJAeLFd8FAfzErxyj3JweKJsiA1TAJeaVcDxEpcxI7EH9+tdR0leig== X-Received: by 2002:a24:4703:: with SMTP id t3-v6mr2968524itb.54.1535255437689; Sat, 25 Aug 2018 20:50:37 -0700 (PDT) Received: from mail-io0-f177.google.com (mail-io0-f177.google.com. [209.85.223.177]) by smtp.gmail.com with ESMTPSA id k1-v6sm4191460ioh.21.2018.08.25.20.50.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 25 Aug 2018 20:50:36 -0700 (PDT) Received: by mail-io0-f177.google.com with SMTP id r196-v6so10204946iod.0 for ; Sat, 25 Aug 2018 20:50:36 -0700 (PDT) X-Received: by 2002:a6b:e51a:: with SMTP id y26-v6mr5867661ioc.42.1535255436044; Sat, 25 Aug 2018 20:50:36 -0700 (PDT) MIME-Version: 1.0 From: Karl Otness Date: Sat, 25 Aug 2018 22:50:25 -0500 X-Gmail-Original-Message-ID: Message-ID: Content-Type: text/plain; charset="UTF-8" X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -5.0 (-----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -6.0 (------) I've observed a crash with Emacs master (version as of a couple days ago). To reproduce with "emacs -q" just eval (memory-use-counts) in scratch. Printing or manipulating the list causes the crash. The cause seems to that listn is called with a length of 8 rather than 7 in the source of memory-use-counts (alloc.c line 7020) when only seven elements are specified. Might be leftover from getting rid of misc. Bumping that number down to 7 fixed the crash for me. I didn't attach a patch since it's a one-line change, but if it would be easier for me to put one together I'd be happy to come back with one. Thanks, Karl From unknown Sat Aug 16 16:12:48 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: Karl Otness Subject: bug#32531: closed (Re: bug#32531: Emacs 27 crash with `memory-use-counts') Message-ID: References: <83tvnh5gc4.fsf@gnu.org> X-Gnu-PR-Message: they-closed 32531 X-Gnu-PR-Package: emacs Reply-To: 32531@debbugs.gnu.org Date: Sun, 26 Aug 2018 14:55:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1535295302-3996-1" This is a multi-part message in MIME format... ------------=_1535295302-3996-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #32531: Emacs 27 crash with `memory-use-counts' which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 32531@debbugs.gnu.org. --=20 32531: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D32531 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1535295302-3996-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 32531-done) by debbugs.gnu.org; 26 Aug 2018 14:54:24 +0000 Received: from localhost ([127.0.0.1]:33214 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ftwQq-00011a-Ct for submit@debbugs.gnu.org; Sun, 26 Aug 2018 10:54:24 -0400 Received: from eggs.gnu.org ([208.118.235.92]:48518) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ftwQn-00011N-8u for 32531-done@debbugs.gnu.org; Sun, 26 Aug 2018 10:54:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ftwQe-0007VS-MJ for 32531-done@debbugs.gnu.org; Sun, 26 Aug 2018 10:54:15 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_05 autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:42132) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ftwQe-0007VO-Ia; Sun, 26 Aug 2018 10:54:12 -0400 Received: from [176.228.60.248] (port=4044 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ftwQe-0001Oj-5Y; Sun, 26 Aug 2018 10:54:12 -0400 Date: Sun, 26 Aug 2018 17:54:03 +0300 Message-Id: <83tvnh5gc4.fsf@gnu.org> From: Eli Zaretskii To: Karl Otness In-reply-to: (message from Karl Otness on Sat, 25 Aug 2018 22:50:25 -0500) Subject: Re: bug#32531: Emacs 27 crash with `memory-use-counts' References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 32531-done Cc: 32531-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -6.0 (------) > From: Karl Otness > Date: Sat, 25 Aug 2018 22:50:25 -0500 > > I've observed a crash with Emacs master (version as of a couple days > ago). To reproduce with "emacs -q" just eval (memory-use-counts) in > scratch. Printing or manipulating the list causes the crash. > > The cause seems to that listn is called with a length of 8 rather than > 7 in the source of memory-use-counts (alloc.c line 7020) when only > seven elements are specified. Might be leftover from getting rid of > misc. Bumping that number down to 7 fixed the crash for me. Thanks, fixed. ------------=_1535295302-3996-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 26 Aug 2018 03:50:51 +0000 Received: from localhost ([127.0.0.1]:60867 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ftm4h-0007bT-BD for submit@debbugs.gnu.org; Sat, 25 Aug 2018 23:50:51 -0400 Received: from eggs.gnu.org ([208.118.235.92]:59125) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ftm4f-0007bD-NK for submit@debbugs.gnu.org; Sat, 25 Aug 2018 23:50:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ftm4Z-0005ub-QD for submit@debbugs.gnu.org; Sat, 25 Aug 2018 23:50:44 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:33926) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ftm4Z-0005uA-N7 for submit@debbugs.gnu.org; Sat, 25 Aug 2018 23:50:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51868) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ftm4Y-00043W-TF for bug-gnu-emacs@gnu.org; Sat, 25 Aug 2018 23:50:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ftm4V-0005cP-Ma for bug-gnu-emacs@gnu.org; Sat, 25 Aug 2018 23:50:42 -0400 Received: from mail-it0-x236.google.com ([2607:f8b0:4001:c0b::236]:55122) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ftm4V-0005Vx-4r for bug-gnu-emacs@gnu.org; Sat, 25 Aug 2018 23:50:39 -0400 Received: by mail-it0-x236.google.com with SMTP id l186-v6so6977763itb.4 for ; Sat, 25 Aug 2018 20:50:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=karlotness-com.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=u/JZxj1Nt2RvCeGCrHkbY5Iy27+AMbx5NBkj/eA83lQ=; b=xSDXKJf8Nw+72qfU/glqqhxmkLNcPyQjei894nsK6GSP88CRNEt5yHIeoT2M2SoYHD K0SX6rfjLM6iCoiCrOXky7W//i0sOKj0zLPmRlMvVk0m1QUfNZ91OX3egHD38e8p+Yh6 kDWS2/Ig43+Oku5OScr4RDiT61TvLzW0aMD7TZ4D4j0DXTA8k/HYDohkStuychUIKDw6 lo+BKvoH6prKXX9ZOFr4bD4ka8Pcu+xk+ooK7CasbuipEZotVxPqgHg23sY3ijgJYxi4 +4z16azH3qurPCK0W6WN7RStUidN9X+P/OoPr6Olh408zx/oHHAGW18i9TvrC71n0IIP ZQaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=u/JZxj1Nt2RvCeGCrHkbY5Iy27+AMbx5NBkj/eA83lQ=; b=dC+OzPCmhmUSUqPNsLpv18UhozK5VZ7fsUZ1GJS+T7+oAqQieOOGz2xv7brNN9AWYO mucFDxlDPtL8DpWLcqRiOa5Z2m/RIoFyuXRoJDxnih5UZJBWV68xnQmiwYU9ePSxdgUS ArDUS+cE/8h3GWEUJEvotlPdxMFjNnyLkWZWMo7Gk+M6ptPNQ6z2cLTaUzm8bfkRT4VE 6bwDWlG/wEGbNuHvn3IcYOc7lIuM7ABRvmQ8+fUGrGxtoZa5eo1nbCLXBujF0SccCn2H W3Dit9vFGACgbwrtzMB9P7pp97tACHlea3a9lRzKhfZb6md/bKFaBdcMOuRVsWMcvfcp rySw== X-Gm-Message-State: APzg51BkrpR7VITydsI/VAO+9COGPDU1YLK4QiWZtWOmT7rY72GavjWq ovwbCwVplC9k/+MtxJklqZF/EKMgoqA= X-Google-Smtp-Source: ANB0VdaHm5CfFaaEC64yrzfMOJAeLFd8FAfzErxyj3JweKJsiA1TAJeaVcDxEpcxI7EH9+tdR0leig== X-Received: by 2002:a24:4703:: with SMTP id t3-v6mr2968524itb.54.1535255437689; Sat, 25 Aug 2018 20:50:37 -0700 (PDT) Received: from mail-io0-f177.google.com (mail-io0-f177.google.com. [209.85.223.177]) by smtp.gmail.com with ESMTPSA id k1-v6sm4191460ioh.21.2018.08.25.20.50.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 25 Aug 2018 20:50:36 -0700 (PDT) Received: by mail-io0-f177.google.com with SMTP id r196-v6so10204946iod.0 for ; Sat, 25 Aug 2018 20:50:36 -0700 (PDT) X-Received: by 2002:a6b:e51a:: with SMTP id y26-v6mr5867661ioc.42.1535255436044; Sat, 25 Aug 2018 20:50:36 -0700 (PDT) MIME-Version: 1.0 From: Karl Otness Date: Sat, 25 Aug 2018 22:50:25 -0500 X-Gmail-Original-Message-ID: Message-ID: Subject: Emacs 27 crash with `memory-use-counts' To: bug-gnu-emacs@gnu.org Content-Type: text/plain; charset="UTF-8" X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -6.0 (------) I've observed a crash with Emacs master (version as of a couple days ago). To reproduce with "emacs -q" just eval (memory-use-counts) in scratch. Printing or manipulating the list causes the crash. The cause seems to that listn is called with a length of 8 rather than 7 in the source of memory-use-counts (alloc.c line 7020) when only seven elements are specified. Might be leftover from getting rid of misc. Bumping that number down to 7 fixed the crash for me. I didn't attach a patch since it's a one-line change, but if it would be easier for me to put one together I'd be happy to come back with one. Thanks, Karl ------------=_1535295302-3996-1--