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Tue, 11 Jan 2022 13:16:39 +0000 Date: Tue, 11 Jan 2022 13:16:35 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Message-ID: <1832985279.1361245.1641906995756@HIDDEN> In-Reply-To: <835yqq8mpm.fsf@HIDDEN> References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> <8735lvp01e.fsf@HIDDEN> <835yqq8mpm.fsf@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_1361244_1163109050.1641906995755" X-Mailer: WebService/1.1.19551 YMailNodin Content-Length: 1499 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: eggert@HIDDEN, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Reply-To: luangruo@HIDDEN Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) ------=_Part_1361244_1163109050.1641906995755 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit [Sorry for the webmail, but Yahoo SMTP is wedged; I hope Reply All worked and this reaches the bug tracker] > Ugh! I agree completely. > Fixing each place individually is a time bomb: no one will remember > that after enough time has passed, and we will add bugs. > The only alternative is to filter errno via some macro, which will do > nothing on all platforms but Haiku, where it will map them to Posix > values. Butt-ugly, but it's not our fault. Hmm, perhaps gnulib can do something in this area? Paul, any ideas? Thanks in advance. ------=_Part_1361244_1163109050.1641906995755 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit <div> [Sorry for the webmail, but Yahoo SMTP is wedged; I hope Reply All<br>worked and this reaches the bug tracker]<br><br>> Ugh!<br><br>I agree completely.<br><br>> Fixing each place individually is a time bomb: no one will remember<br>> that after enough time has passed, and we will add bugs.<br><br>> The only alternative is to filter errno via some macro, which will do<br>> nothing on all platforms but Haiku, where it will map them to Posix<br>> values. Butt-ugly, but it's not our fault.<br><br>Hmm, perhaps gnulib can do something in this area? Paul, any ideas?<br>Thanks in advance.<br> </div> ------=_Part_1361244_1163109050.1641906995755--
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 11 Jan 2022 12:46:15 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jan 11 07:46:15 2022 Received: from localhost ([127.0.0.1]:54369 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n7GXX-0002bo-4M for submit <at> debbugs.gnu.org; Tue, 11 Jan 2022 07:46:15 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46428) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1n7GXT-0002bV-Eb for 53136 <at> debbugs.gnu.org; Tue, 11 Jan 2022 07:46:13 -0500 Received: from [2001:470:142:3::e] (port=44858 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n7GXN-00037a-C7; Tue, 11 Jan 2022 07:46:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=nfYH/Q5f/m5/wTLqwMyzCxD/oYhJHDqwroleGBpE96M=; b=hmMjtgA84ajt Wa5lDAO8FvoqBRXEwxN9XeW8PaMG4rU+nZpXJgoIj/wWdpW7CgWd1QBjX62LYvrX3/fSKvwSWX6Fv FgL08vsdeGHT7Bca0CEDB2FAG/JUCQU93smz9QDWxKazt4la61SiUh7VHqv5M3LAL9szVJa7zkudC fxwLsbBe4smgaEM79hUgdFaFBqud9F+q3nj/jsLlosCePXTn+FLY8CkShqtZO2UDyO360QiW6OKj+ GJ8QmiQoh24ZHfBHcir7N7ap80OmaXresY6MZ+wyXAukyU/mmVITYR0R+iZvscrDnHKz6T8O6Wbdk jPOZWVKrEplDwUvp2GcvFw==; Received: from [87.69.77.57] (port=4373 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n7GXM-0003dp-TY; Tue, 11 Jan 2022 07:46:05 -0500 Date: Tue, 11 Jan 2022 14:45:57 +0200 Message-Id: <835yqq8mpm.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Po Lu <luangruo@HIDDEN> In-Reply-To: <8735lvp01e.fsf@HIDDEN> (message from Po Lu on Tue, 11 Jan 2022 08:51:25 +0800) Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> <8735lvp01e.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 53136 Cc: eggert@HIDDEN, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Po Lu <luangruo@HIDDEN> > Cc: Eli Zaretskii <eliz@HIDDEN>, 53136 <at> debbugs.gnu.org > Date: Tue, 11 Jan 2022 08:51:25 +0800 > > > 3. More importantly, I'm sure there are other places where Emacs > > assumes that errno values are positive. I doubt whether it's > > reasonable to expect Emacs developers to remember and work around this > > Haiku incompatibility, every time they call a function that sets errno > > or returns an errno value. Instead, we should arrange for Haiku builds > > to use positive errno values, they way errno behaves on GNU and other > > POSIX-compatible hosts. This should be a much more maintainable > > solution. > > I would prefer for us to find and fix those instances manually, because > B_USE_POSITIVE_POSIX_ERRORS is some kind of stopgap measure for porting > POSIX utilities like sshfs, and prevents some other functionality from > working correctly (i.e. apparently it's an error to -ltracker with it > defined, so file dialogs won't work.) Ugh! Fixing each place individually is a time bomb: no one will remember that after enough time has passed, and we will add bugs. The only alternative is to filter errno via some macro, which will do nothing on all platforms but Haiku, where it will map them to Posix values. Butt-ugly, but it's not our fault.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 11 Jan 2022 12:30:22 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Jan 11 07:30:22 2022 Received: from localhost ([127.0.0.1]:54344 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n7GIA-0000KZ-8D for submit <at> debbugs.gnu.org; Tue, 11 Jan 2022 07:30:22 -0500 Received: from eggs.gnu.org ([209.51.188.92]:42306) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1n7GI8-0000D1-SY for 53136 <at> debbugs.gnu.org; Tue, 11 Jan 2022 07:30:21 -0500 Received: from [2001:470:142:3::e] (port=44520 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n7GI1-00081c-Sh; Tue, 11 Jan 2022 07:30:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=/XX7JqZazT1FV6R2PdoLLScK/wGM9WmIG5Tdz77iDlM=; b=WApjCUFe4Fpq 3g+LkyVh0gH6iOyjMVINri+HXs0by4kErM3nmwldCV9QyAVD8CXjm/o3ZeT9VjMqplw7l6mg4hVci RWdBBrBYjxfMUTDQJyTEa0WguokOKW/SpepnnvIZDYtykHwEiF3hhoXtHDjGVJrgTdlhPjEXx31Gq rhblUfMRVGNykbtcuLzCD0VCDXCJYXd+mXI1+lhsVvk9TPyhZx1Rs6AZNU7RUjPnHI+klteVXdsJ9 n53xBVGf865j6KdF0svapHPhqE2ytdPkjVz5RSYgRlH/TN1wUndoqwiOpGuYrqXNiqs9NFXaXTlQq Thyp6it8B9qjyBisFaxRYA==; Received: from [87.69.77.57] (port=3408 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n7GI0-00037Q-JI; Tue, 11 Jan 2022 07:30:14 -0500 Date: Tue, 11 Jan 2022 14:30:03 +0200 Message-Id: <83a6g28ng4.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Paul Eggert <eggert@HIDDEN> In-Reply-To: <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> (message from Paul Eggert on Mon, 10 Jan 2022 15:11:04 -0800) Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 53136 Cc: luangruo@HIDDEN, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Date: Mon, 10 Jan 2022 15:11:04 -0800 > Cc: 53136 <at> debbugs.gnu.org, Po Lu <luangruo@HIDDEN> > From: Paul Eggert <eggert@HIDDEN> > > 3. More importantly, I'm sure there are other places where Emacs assumes > that errno values are positive. I doubt whether it's reasonable to > expect Emacs developers to remember and work around this Haiku > incompatibility, every time they call a function that sets errno or > returns an errno value. Instead, we should arrange for Haiku builds to > use positive errno values, they way errno behaves on GNU and other > POSIX-compatible hosts. This should be a much more maintainable solution. I agree.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Tue, 11 Jan 2022 01:05:44 +0000 Received: by kubenode509.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID a155f00b7f05dd050e50fe835e9408bb; Tue, 11 Jan 2022 01:05:39 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Paul Eggert <eggert@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> <8735lvp01e.fsf@HIDDEN> Date: Tue, 11 Jan 2022 09:05:34 +0800 In-Reply-To: <8735lvp01e.fsf@HIDDEN> (Po Lu's message of "Tue, 11 Jan 2022 08:51:25 +0800") Message-ID: <87czkznktd.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 295 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: Eli Zaretskii <eliz@HIDDEN>, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Po Lu <luangruo@HIDDEN> writes: > That was an unrelated problem. This bug is on GNU/Linux, when running > under Valgrind. (I was trying to find the GC bug from last month.) It happens with valgrind-3.18.1-7.fc35, but not valgrind-3.17.0-13.fc35. Paul, any idea why this may be? Thanks.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Tue, 11 Jan 2022 00:58:29 +0000 Received: by kubenode513.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 298dc77d2579d04e82105d5989569e19; Tue, 11 Jan 2022 00:58:21 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Paul Eggert <eggert@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> Date: Tue, 11 Jan 2022 08:58:16 +0800 In-Reply-To: <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> (Paul Eggert's message of "Mon, 10 Jan 2022 15:11:04 -0800") Message-ID: <87pmoznl5j.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 344 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: Eli Zaretskii <eliz@HIDDEN>, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Paul Eggert <eggert@HIDDEN> writes: > + AC_DEFINE([B_USE_POSITIVE_POSIX_ERRORS], [], > + [Define to cause Haiku to use POSIX-compatible errno values.]) Also, for this to have a chance of working in purely tty Haiku builds, you have to give the linker `-lposix_error_mapper'. Maybe doing that in tty builds would be a good idea.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Tue, 11 Jan 2022 00:52:00 +0000 Received: by kubenode516.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID fc31b482f23cb547d476026effcfbca0; Tue, 11 Jan 2022 00:51:55 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Paul Eggert <eggert@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> <ea0e0cad-df5e-9e38-3d7b-19e2f3c8a94e@HIDDEN> Date: Tue, 11 Jan 2022 08:51:51 +0800 In-Reply-To: <ea0e0cad-df5e-9e38-3d7b-19e2f3c8a94e@HIDDEN> (Paul Eggert's message of "Mon, 10 Jan 2022 15:30:10 -0800") Message-ID: <87y23nnlg8.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 175 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Paul Eggert <eggert@HIDDEN> writes: > At some point we can get rid of pD by replacing pD with "t" everywhere > in Emacs, but one step at a time. It works here, thanks.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Tue, 11 Jan 2022 00:51:35 +0000 Received: by kubenode509.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 92a5d95d998719460ebd45c9b1568c4f; Tue, 11 Jan 2022 00:51:29 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Paul Eggert <eggert@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> Date: Tue, 11 Jan 2022 08:51:25 +0800 In-Reply-To: <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> (Paul Eggert's message of "Mon, 10 Jan 2022 15:11:04 -0800") Message-ID: <8735lvp01e.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 1465 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: Eli Zaretskii <eliz@HIDDEN>, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Paul Eggert <eggert@HIDDEN> writes: > On 1/9/22 04:03, Eli Zaretskii wrote: > >> Paul, could you please take a look? > > The problem (as Po deduced) seems to be that Haiku errno values are > negative by default. That was an unrelated problem. This bug is on GNU/Linux, when running under Valgrind. (I was trying to find the GC bug from last month.) > 1. It uses BE_USE_POSITIVE_POSIX_ERRORS but Haiku spells it > B_USE_POSITIVE_POSIX_ERRORS. I'll fix that. > 2. There's no need to replace "if (err < 0)" with "if (err == -1 || > err == -2)", as this replacement is not needed given the "#if !defined > HAIKU ..." stuff. > 3. More importantly, I'm sure there are other places where Emacs > assumes that errno values are positive. I doubt whether it's > reasonable to expect Emacs developers to remember and work around this > Haiku incompatibility, every time they call a function that sets errno > or returns an errno value. Instead, we should arrange for Haiku builds > to use positive errno values, they way errno behaves on GNU and other > POSIX-compatible hosts. This should be a much more maintainable > solution. I would prefer for us to find and fix those instances manually, because B_USE_POSITIVE_POSIX_ERRORS is some kind of stopgap measure for porting POSIX utilities like sshfs, and prevents some other functionality from working correctly (i.e. apparently it's an error to -ltracker with it defined, so file dialogs won't work.) Thanks.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 10 Jan 2022 23:30:19 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jan 10 18:30:19 2022 Received: from localhost ([127.0.0.1]:53538 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n747H-0005NA-Jc for submit <at> debbugs.gnu.org; Mon, 10 Jan 2022 18:30:19 -0500 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:33822) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eggert@HIDDEN>) id 1n747F-0005Ms-QT for 53136 <at> debbugs.gnu.org; Mon, 10 Jan 2022 18:30:18 -0500 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id E86AF160057; Mon, 10 Jan 2022 15:30:11 -0800 (PST) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 423fdfDYQqYE; Mon, 10 Jan 2022 15:30:11 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 16D811601A2; Mon, 10 Jan 2022 15:30:11 -0800 (PST) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id UvbBFqQmiv_o; Mon, 10 Jan 2022 15:30:10 -0800 (PST) Received: from [192.168.1.9] (cpe-172-91-119-151.socal.res.rr.com [172.91.119.151]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id DCCD5160057; Mon, 10 Jan 2022 15:30:10 -0800 (PST) Content-Type: multipart/mixed; boundary="------------dnwgXwiP9UMhBNLs6E2z4s0f" Message-ID: <ea0e0cad-df5e-9e38-3d7b-19e2f3c8a94e@HIDDEN> Date: Mon, 10 Jan 2022 15:30:10 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1 Content-Language: en-US From: Paul Eggert <eggert@HIDDEN> To: Po Lu <luangruo@HIDDEN> References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> Organization: UCLA Computer Science Department Subject: Re: bug#53136: 28.0.90; segfault in lock_file In-Reply-To: <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> X-Spam-Score: -3.4 (---) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -4.4 (----) This is a multi-part message in MIME format. --------------dnwgXwiP9UMhBNLs6E2z4s0f Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit One little thing I noticed in the Haiku port. I assume the lisp.h complication for pD was needed on 32-bit Haiku to avoid compiler warnings when passing long vs int (same size, either would work, but compiler warning). I installed the attached to simplify the ifdefs here. If my diagnosis of the issue is wrong and this patch doesn't work for Haiku, please let me know or feel free to revert and we can find a better way. At some point we can get rid of pD by replacing pD with "t" everywhere in Emacs, but one step at a time. --------------dnwgXwiP9UMhBNLs6E2z4s0f Content-Type: text/x-patch; charset=UTF-8; name="0001-Assume-C99-when-defining-pD.patch" Content-Disposition: attachment; filename="0001-Assume-C99-when-defining-pD.patch" Content-Transfer-Encoding: base64 RnJvbSBjNGNhZGFkZWE2ZjAzMzA4ZWIyYzI1Yzc1NzQzMWMxOWI5MTA4ZTU4IE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBQYXVsIEVnZ2VydCA8ZWdnZXJ0QGNzLnVjbGEuZWR1 PgpEYXRlOiBNb24sIDEwIEphbiAyMDIyIDE1OjIxOjA4IC0wODAwClN1YmplY3Q6IFtQQVRD SF0gQXNzdW1lIEM5OSB3aGVuIGRlZmluaW5nIHBECgoqIHNyYy9saXNwLmggKHBEKTogQXNz dW1lIEM5OSBvciBsYXRlciwgdG8gc2ltcGxpZnkgdGhlIGlmZGVmcy4KLS0tCiBzcmMvbGlz cC5oIHwgMjIgKysrLS0tLS0tLS0tLS0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDMgaW5z ZXJ0aW9ucygrKSwgMTkgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvc3JjL2xpc3AuaCBi L3NyYy9saXNwLmgKaW5kZXggZjhmZTJhNjkwNi4uYzVlNjMxMTBjNyAxMDA2NDQKLS0tIGEv c3JjL2xpc3AuaAorKysgYi9zcmMvbGlzcC5oCkBAIC0xMzcsMjUgKzEzNyw5IEBAIHZlcmlm eSAoQklUU19XT1JEX01BWCA+PiAoQklUU19QRVJfQklUU19XT1JEIC0gMSkgPT0gMSk7CiAv KiBVc2UgcEQgdG8gZm9ybWF0IHB0cmRpZmZfdCB2YWx1ZXMsIHdoaWNoIHN1ZmZpY2UgZm9y IGluZGV4ZXMgaW50bwogICAgYnVmZmVycyBhbmQgc3RyaW5ncy4gIEVtYWNzIG5ldmVyIGFs bG9jYXRlcyBvYmplY3RzIGxhcmdlciB0aGFuCiAgICBQVFJESUZGX01BWCBieXRlcywgYXMg dGhleSBjYXVzZSBwcm9ibGVtcyB3aXRoIHBvaW50ZXIgc3VidHJhY3Rpb24uCi0gICBJbiBD OTksIHBEIGNhbiBhbHdheXMgYmUgInQiOyBjb25maWd1cmUgaXQgaGVyZSBmb3IgdGhlIHNh a2Ugb2YKLSAgIHByZS1DOTkgbGlicmFyaWVzIHN1Y2ggYXMgZ2xpYmMgMi4wIGFuZCBTb2xh cmlzIDguCi0KLSAgIE9uIEhhaWt1LCB0aGUgc2l6ZSBvZiBwdHJkaWZmX3QgaXMgaW5jb25z aXN0ZW50IHdpdGggdGhlIHZhbHVlIG9mCi0gICBQVFJESUZGX01BWC4gIEluIHRoYXQgY2Fz ZSwgInQiIHNob3VsZCBiZSBzdWZmaWNpZW50LiAqLwotCi0jaWZuZGVmIEhBSUtVCi0jaWYg UFRSRElGRl9NQVggPT0gSU5UX01BWAotIyBkZWZpbmUgcEQgIiIKLSNlbGlmIFBUUkRJRkZf TUFYID09IExPTkdfTUFYCi0jIGRlZmluZSBwRCAibCIKLSNlbGlmIFBUUkRJRkZfTUFYID09 IExMT05HX01BWAotIyBkZWZpbmUgcEQgImxsIgotI2Vsc2UKLSMgZGVmaW5lIHBEICJ0Igot I2VuZGlmCi0jZWxzZQotIyBkZWZpbmUgcEQgInQiCi0jZW5kaWYKKyAgIEluIEM5OSwgcEQg Y2FuIGFsd2F5cyBiZSAidCIsIGFzIHdlIG5vIGxvbmdlciBuZWVkIHRvIHdvcnJ5IGFib3V0 CisgICBwcmUtQzk5IGxpYnJhcmllcyBzdWNoIGFzIGdsaWJjIDIuMCAoMTk5NykgYW5kIFNv bGFyaXMgOCAoMjAwMCkuICAqLworI2RlZmluZSBwRCAidCIKIAogLyogQ29udmVuaWVuY2Ug bWFjcm8gZm9yIHJhcmVseS11c2VkIGZ1bmN0aW9ucyB0aGF0IGRvIG5vdCByZXR1cm4uICAq LwogI2RlZmluZSBBVk9JRCBfTm9yZXR1cm4gQVRUUklCVVRFX0NPTEQgdm9pZAotLSAKMi4z Mi4wCgo= --------------dnwgXwiP9UMhBNLs6E2z4s0f--
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 10 Jan 2022 23:11:17 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Jan 10 18:11:17 2022 Received: from localhost ([127.0.0.1]:53516 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n73or-0004ot-HN for submit <at> debbugs.gnu.org; Mon, 10 Jan 2022 18:11:17 -0500 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:58212) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eggert@HIDDEN>) id 1n73oo-0004og-Vs for 53136 <at> debbugs.gnu.org; Mon, 10 Jan 2022 18:11:15 -0500 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 2C5221601A0; Mon, 10 Jan 2022 15:11:09 -0800 (PST) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id x48D5l2v6Bh5; Mon, 10 Jan 2022 15:11:04 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id E4D161601A2; Mon, 10 Jan 2022 15:11:04 -0800 (PST) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id J_4IuRSdPCgG; Mon, 10 Jan 2022 15:11:04 -0800 (PST) Received: from [192.168.1.9] (cpe-172-91-119-151.socal.res.rr.com [172.91.119.151]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id B5F461601A0; Mon, 10 Jan 2022 15:11:04 -0800 (PST) Content-Type: multipart/mixed; boundary="------------Z23g48mICuPKU4XoiAwxO6i9" Message-ID: <37cd3017-38cb-fa2c-7b52-fbeb3b085744@HIDDEN> Date: Mon, 10 Jan 2022 15:11:04 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1 Content-Language: en-US To: Eli Zaretskii <eliz@HIDDEN> References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <8335lxazg6.fsf@HIDDEN> From: Paul Eggert <eggert@HIDDEN> Organization: UCLA Computer Science Department Subject: Re: bug#53136: 28.0.90; segfault in lock_file In-Reply-To: <8335lxazg6.fsf@HIDDEN> X-Spam-Score: -3.4 (---) X-Debbugs-Envelope-To: 53136 Cc: Po Lu <luangruo@HIDDEN>, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -4.4 (----) This is a multi-part message in MIME format. --------------Z23g48mICuPKU4XoiAwxO6i9 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/9/22 04:03, Eli Zaretskii wrote: > Paul, could you please take a look? The problem (as Po deduced) seems to be that Haiku errno values are negative by default. However, I see some problems with the recently installed fix. 1. It uses BE_USE_POSITIVE_POSIX_ERRORS but Haiku spells it B_USE_POSITIVE_POSIX_ERRORS. 2. There's no need to replace "if (err < 0)" with "if (err == -1 || err == -2)", as this replacement is not needed given the "#if !defined HAIKU ..." stuff. 3. More importantly, I'm sure there are other places where Emacs assumes that errno values are positive. I doubt whether it's reasonable to expect Emacs developers to remember and work around this Haiku incompatibility, every time they call a function that sets errno or returns an errno value. Instead, we should arrange for Haiku builds to use positive errno values, they way errno behaves on GNU and other POSIX-compatible hosts. This should be a much more maintainable solution. Proposed patch attached. --------------Z23g48mICuPKU4XoiAwxO6i9 Content-Type: text/x-patch; charset=UTF-8; name="0001-Improve-port-to-Haiku-errno-values.patch" Content-Disposition: attachment; filename="0001-Improve-port-to-Haiku-errno-values.patch" Content-Transfer-Encoding: base64 RnJvbSAwMjZhZWY4NjhhZDI0MmMzY2NhZjBkNTQyYWI4MWI2MjFhMjZlMGE5IE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBQYXVsIEVnZ2VydCA8ZWdnZXJ0QGNzLnVjbGEuZWR1 PgpEYXRlOiBNb24sIDEwIEphbiAyMDIyIDE1OjA3OjUxIC0wODAwClN1YmplY3Q6IFtQQVRD SF0gSW1wcm92ZSBwb3J0IHRvIEhhaWt1IGVycm5vIHZhbHVlcwoKKiBjb25maWd1cmUuYWMg KEJfVVNFX1BPU0lUSVZFX1BPU0lYX0VSUk9SUyk6IERlZmluZSBvbiBIYWlrdS4KKiBzcmMv ZmlsZWxvY2suYyAobG9ja19pZl9mcmVlKTogUmV2ZXJ0IHJlY2VudCBjaGFuZ2VzLCBzaW5j ZQpkZWZpbmluZyBCX1VTRV9QT1NJVElWRV9QT1NJWF9FUlJPUlMgc2hvdWxkIGZpeCB0aGUg Z2VuZXJhbCBwcm9ibGVtLgotLS0KIGNvbmZpZ3VyZS5hYyAgIHwgMiArKwogc3JjL2ZpbGVs b2NrLmMgfCA5ICstLS0tLS0tLQogMiBmaWxlcyBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyks IDggZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvY29uZmlndXJlLmFjIGIvY29uZmlndXJl LmFjCmluZGV4IGJhZjhjODAxOGUuLmM1ZDk3ODkwYzcgMTAwNjQ0Ci0tLSBhL2NvbmZpZ3Vy ZS5hYworKysgYi9jb25maWd1cmUuYWMKQEAgLTU2NzIsNiArNTY3Miw4IEBAIEFDX0RFRlVO CiAKICAgaGFpa3UpCiAgICAgQUNfREVGSU5FKEhBSUtVLCBbXSwgW0RlZmluZSBpZiB0aGUg c3lzdGVtIGlzIEhhaWt1Ll0pCisgICAgQUNfREVGSU5FKFtCX1VTRV9QT1NJVElWRV9QT1NJ WF9FUlJPUlNdLCBbXSwKKyAgICAgIFtEZWZpbmUgdG8gY2F1c2UgSGFpa3UgdG8gdXNlIFBP U0lYLWNvbXBhdGlibGUgZXJybm8gdmFsdWVzLl0pCiAgICAgOzsKIGVzYWMKIApkaWZmIC0t Z2l0IGEvc3JjL2ZpbGVsb2NrLmMgYi9zcmMvZmlsZWxvY2suYwppbmRleCBjMzkyN2Y1OGZh Li5hMjEzYzJiM2NhIDEwMDY0NAotLS0gYS9zcmMvZmlsZWxvY2suYworKysgYi9zcmMvZmls ZWxvY2suYwpAQCAtNjA4LDcgKzYwOCw3IEBAIGxvY2tfaWZfZnJlZSAobG9ja19pbmZvX3R5 cGUgKmNsYXNoZXIsIGNoYXIgKmxmbmFtZSkKICAgICAgIGVyciA9IGN1cnJlbnRfbG9ja19v d25lciAoY2xhc2hlciwgbGZuYW1lKTsKICAgICAgIGlmIChlcnIgIT0gMCkKIAl7Ci0JICBp ZiAoZXJyID09IC0xIHx8IGVyciA9PSAtMikKKwkgIGlmIChlcnIgPCAwKQogCSAgICByZXR1 cm4gLTIgLSBlcnI7IC8qIFdlIGxvY2tlZCBpdCwgb3Igc29tZW9uZSBlbHNlIGhhcyBpdC4g ICovCiAJICBicmVhazsgLyogY3VycmVudF9sb2NrX293bmVyIHJldHVybmVkIHN0cmFuZ2Ug ZXJyb3IuICAqLwogCX0KQEAgLTYxNiwxNCArNjE2LDcgQEAgbG9ja19pZl9mcmVlIChsb2Nr X2luZm9fdHlwZSAqY2xhc2hlciwgY2hhciAqbGZuYW1lKQogICAgICAgLyogV2UgZGVsZXRl ZCBhIHN0YWxlIGxvY2s7IHRyeSBhZ2FpbiB0byBsb2NrIHRoZSBmaWxlLiAgKi8KICAgICB9 CiAKLSNpZiAhZGVmaW5lZCBIQUlLVSBcCi0gIHx8IGRlZmluZWQgQkVfVVNFX1BPU0lUSVZF X1BPU0lYX0VSUk9SUwogICByZXR1cm4gZXJyOwotI2Vsc2UKLSAgLyogT24gSGFpa3UsIFBP U0lYIGVycm5vIHZhbHVlcyBhcmUgbmVnYXRpdmUgYnkgZGVmYXVsdCwgYnV0IHRoaXMKLSAg ICAgY29kZSdzIGNhbGxlcnMgYXNzdW1lIHRoYXQgYWxsIGVycm5vIHZhbHVlcyBhcmUgcG9z aXRpdmUuICAqLwotICByZXR1cm4gLWVycjsKLSNlbmRpZgogfQogCiBzdGF0aWMgTGlzcF9P YmplY3QKLS0gCjIuMzIuMAoK --------------Z23g48mICuPKU4XoiAwxO6i9--
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Mon, 10 Jan 2022 00:29:55 +0000 Received: by kubenode509.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 414430fb0a66b43a0284e5b24ee898cb; Mon, 10 Jan 2022 00:29:49 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Andreas Schwab <schwab@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <83wnj99ieh.fsf@HIDDEN> <87mtk5rrlm.fsf@HIDDEN> <83v8yt9hrl.fsf@HIDDEN> <87ilutrqv9.fsf@HIDDEN> <87ee5hrqkd.fsf@HIDDEN> <87zgo5rpf4.fsf@HIDDEN> Date: Mon, 10 Jan 2022 08:29:43 +0800 In-Reply-To: <87zgo5rpf4.fsf@HIDDEN> (Andreas Schwab's message of "Sun, 09 Jan 2022 14:47:59 +0100") Message-ID: <871r1gsaa0.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 204 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: Eli Zaretskii <eliz@HIDDEN>, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Andreas Schwab <schwab@HIDDEN> writes: > This means Haiku is not POSIX compliant, since error numbers must be > positive. This bug isn't about Haiku, but yes, it's not entirely POSIX compliant.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 9 Jan 2022 13:48:05 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jan 09 08:48:05 2022 Received: from localhost ([127.0.0.1]:49422 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n6YYG-0003jG-QC for submit <at> debbugs.gnu.org; Sun, 09 Jan 2022 08:48:04 -0500 Received: from mail-out.m-online.net ([212.18.0.9]:53037) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <whitebox@HIDDEN>) id 1n6YYE-0003ie-5r for 53136 <at> debbugs.gnu.org; Sun, 09 Jan 2022 08:48:03 -0500 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4JWyvh60hFz1qwxk; Sun, 9 Jan 2022 14:48:00 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4JWyvh4K4dz1qqkD; Sun, 9 Jan 2022 14:48:00 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id ba9Jd7-DmgEG; Sun, 9 Jan 2022 14:47:59 +0100 (CET) X-Auth-Info: ko4MgLCvKCYYXTeS6AMOhIAd7iQ2ugR6wxD0kD2XHSulkwggLfubv6SdzLHqvqYH Received: from igel.home (ppp-46-244-186-104.dynamic.mnet-online.de [46.244.186.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sun, 9 Jan 2022 14:47:59 +0100 (CET) Received: by igel.home (Postfix, from userid 1000) id 538392C3714; Sun, 9 Jan 2022 14:47:59 +0100 (CET) From: Andreas Schwab <schwab@HIDDEN> To: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <83wnj99ieh.fsf@HIDDEN> <87mtk5rrlm.fsf@HIDDEN> <83v8yt9hrl.fsf@HIDDEN> <87ilutrqv9.fsf@HIDDEN> <87ee5hrqkd.fsf@HIDDEN> X-Yow: My ELBOW is a remote FRENCH OUTPOST!! Date: Sun, 09 Jan 2022 14:47:59 +0100 In-Reply-To: <87ee5hrqkd.fsf@HIDDEN> (Po Lu via's message of "Sun, 09 Jan 2022 21:23:14 +0800") Message-ID: <87zgo5rpf4.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.4 (/) X-Debbugs-Envelope-To: 53136 Cc: Po Lu <luangruo@HIDDEN>, Eli Zaretskii <eliz@HIDDEN>, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.4 (-) On Jan 09 2022, Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" wrote: > That shouldn't happen, right? (BTW, while investigating that value, I > noticed a portability problem to Haiku, which I'll fix on the master > branch.) This means Haiku is not POSIX compliant, since error numbers must be positive. -- Andreas Schwab, schwab@HIDDEN GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at submit) by debbugs.gnu.org; 9 Jan 2022 13:48:13 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jan 09 08:48:13 2022 Received: from localhost ([127.0.0.1]:49430 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n6YYO-0003jz-Ty for submit <at> debbugs.gnu.org; Sun, 09 Jan 2022 08:48:13 -0500 Received: from lists.gnu.org ([209.51.188.17]:55618) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <whitebox@HIDDEN>) id 1n6YYN-0003js-O7 for submit <at> debbugs.gnu.org; Sun, 09 Jan 2022 08:48:11 -0500 Received: from eggs.gnu.org ([209.51.188.92]:59878) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <whitebox@HIDDEN>) id 1n6YYN-0003ld-H2 for bug-gnu-emacs@HIDDEN; Sun, 09 Jan 2022 08:48:11 -0500 Received: from mail-out.m-online.net ([212.18.0.9]:44267) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <whitebox@HIDDEN>) id 1n6YYL-0002wO-9T; Sun, 09 Jan 2022 08:48:11 -0500 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4JWyvh60hFz1qwxk; Sun, 9 Jan 2022 14:48:00 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4JWyvh4K4dz1qqkD; Sun, 9 Jan 2022 14:48:00 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id ba9Jd7-DmgEG; Sun, 9 Jan 2022 14:47:59 +0100 (CET) X-Auth-Info: ko4MgLCvKCYYXTeS6AMOhIAd7iQ2ugR6wxD0kD2XHSulkwggLfubv6SdzLHqvqYH Received: from igel.home (ppp-46-244-186-104.dynamic.mnet-online.de [46.244.186.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sun, 9 Jan 2022 14:47:59 +0100 (CET) Received: by igel.home (Postfix, from userid 1000) id 538392C3714; Sun, 9 Jan 2022 14:47:59 +0100 (CET) From: Andreas Schwab <schwab@HIDDEN> To: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <83wnj99ieh.fsf@HIDDEN> <87mtk5rrlm.fsf@HIDDEN> <83v8yt9hrl.fsf@HIDDEN> <87ilutrqv9.fsf@HIDDEN> <87ee5hrqkd.fsf@HIDDEN> X-Yow: My ELBOW is a remote FRENCH OUTPOST!! Date: Sun, 09 Jan 2022 14:47:59 +0100 In-Reply-To: <87ee5hrqkd.fsf@HIDDEN> (Po Lu via's message of "Sun, 09 Jan 2022 21:23:14 +0800") Message-ID: <87zgo5rpf4.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=212.18.0.9; envelope-from=whitebox@HIDDEN; helo=mail-out.m-online.net X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.1 (-) X-Debbugs-Envelope-To: submit Cc: Po Lu <luangruo@HIDDEN>, Eli Zaretskii <eliz@HIDDEN>, 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.1 (--) On Jan 09 2022, Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" wrote: > That shouldn't happen, right? (BTW, while investigating that value, I > noticed a portability problem to Haiku, which I'll fix on the master > branch.) This means Haiku is not POSIX compliant, since error numbers must be positive. -- Andreas Schwab, schwab@HIDDEN GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Sun, 9 Jan 2022 13:23:23 +0000 Received: by kubenode509.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 1f1cfa2061dad6ae833c89e73ce0f2f4; Sun, 09 Jan 2022 13:23:20 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <83wnj99ieh.fsf@HIDDEN> <87mtk5rrlm.fsf@HIDDEN> <83v8yt9hrl.fsf@HIDDEN> <87ilutrqv9.fsf@HIDDEN> Date: Sun, 09 Jan 2022 21:23:14 +0800 In-Reply-To: <87ilutrqv9.fsf@HIDDEN> (Po Lu's message of "Sun, 09 Jan 2022 21:16:42 +0800") Message-ID: <87ee5hrqkd.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 354 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Po Lu <luangruo@HIDDEN> writes: > Thanks, I'll look into it. Perhaps the problem is in valgrind: when running under Valgrind, trying to lock that file makes lock_if_free return -2147459069. That shouldn't happen, right? (BTW, while investigating that value, I noticed a portability problem to Haiku, which I'll fix on the master branch.) Thanks.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Sun, 9 Jan 2022 13:16:51 +0000 Received: by kubenode513.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 17740eca485f1726ea11e61e887e8d6a; Sun, 09 Jan 2022 13:16:48 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <83wnj99ieh.fsf@HIDDEN> <87mtk5rrlm.fsf@HIDDEN> <83v8yt9hrl.fsf@HIDDEN> Date: Sun, 09 Jan 2022 21:16:42 +0800 In-Reply-To: <83v8yt9hrl.fsf@HIDDEN> (Eli Zaretskii's message of "Sun, 09 Jan 2022 15:10:38 +0200") Message-ID: <87ilutrqv9.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 366 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: > No, it's not: it should be of the form USER@HIDDEN[:BOOT-TIME]. See > the commentary around line 288 in filelock.c. The string is generated > in lock_file_1. maybe you can step into it and see what happens > there. Thanks, I'll look into it. > What is "oldosfan"? is it the user or the host name? That is my username.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 9 Jan 2022 13:11:00 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jan 09 08:11:00 2022 Received: from localhost ([127.0.0.1]:49363 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n6XyO-0002n7-48 for submit <at> debbugs.gnu.org; Sun, 09 Jan 2022 08:11:00 -0500 Received: from eggs.gnu.org ([209.51.188.92]:54530) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1n6XyK-0002ms-C8 for 53136 <at> debbugs.gnu.org; Sun, 09 Jan 2022 08:10:58 -0500 Received: from [2001:470:142:3::e] (port=54066 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6XyF-0005Ox-5V; Sun, 09 Jan 2022 08:10:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=UhwrZAkZ4A7RZDYejUxSeY2PnQEGfjJt2I8Yl0y/0js=; b=RTKRDUufVnKc frUAxribORepNDMACTmpLaM1f4STS5XebU4nbS6sEUGeIjewNuace04usBvjQ21F4b3ZmnZ9iv2dG XkteU4l3d0Ad0z1JSTAiMIGcJdNxUsedqPDKzaTx66GAhVtEfKX3y87IHfM3edXz+aUOEnlsKmpAu AATCuDhoWz/Cn78gtk8jIDJMwPBH9Q3jkLls15G/ar6HJCgNeAwZxq5g9tYsaPW1jYrcsiL9871+p dK86zDCpu7R/UW/lLdFJdVKvv3Bszd9muHvfdTAOxeOrzlAvsB6OgXNrbTXSYIGv4Qe0wDeS6DwUe dV5BrvZvxSFcGZ2+/uSgRw==; Received: from [87.69.77.57] (port=1668 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6XyF-00069G-67; Sun, 09 Jan 2022 08:10:51 -0500 Date: Sun, 09 Jan 2022 15:10:38 +0200 Message-Id: <83v8yt9hrl.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Po Lu <luangruo@HIDDEN> In-Reply-To: <87mtk5rrlm.fsf@HIDDEN> (message from Po Lu on Sun, 09 Jan 2022 21:00:53 +0800) Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <83wnj99ieh.fsf@HIDDEN> <87mtk5rrlm.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Po Lu <luangruo@HIDDEN> > Cc: 53136 <at> debbugs.gnu.org > Date: Sun, 09 Jan 2022 21:00:53 +0800 > > Eli Zaretskii <eliz@HIDDEN> writes: > > > What is the contents of lock_info.user upto the first null byte? > > It's "oldosfan" (which is correct). No, it's not: it should be of the form USER@HIDDEN[:BOOT-TIME]. See the commentary around line 288 in filelock.c. The string is generated in lock_file_1. maybe you can step into it and see what happens there. What is "oldosfan"? is it the user or the host name?
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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X-Sonic-MF: <luangruo@HIDDEN> Received: from sonic.gate.mail.ne1.yahoo.com by sonic316.consmr.mail.ne1.yahoo.com with HTTP; Sun, 9 Jan 2022 13:01:05 +0000 Received: by kubenode514.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 23e48622cd6396c51ef9069a140b575f; Sun, 09 Jan 2022 13:01:00 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> <83wnj99ieh.fsf@HIDDEN> Date: Sun, 09 Jan 2022 21:00:53 +0800 In-Reply-To: <83wnj99ieh.fsf@HIDDEN> (Eli Zaretskii's message of "Sun, 09 Jan 2022 14:56:54 +0200") Message-ID: <87mtk5rrlm.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 142 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: > What is the contents of lock_info.user upto the first null byte? It's "oldosfan" (which is correct).
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 9 Jan 2022 12:57:17 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jan 09 07:57:16 2022 Received: from localhost ([127.0.0.1]:49353 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n6Xl6-0002TK-N7 for submit <at> debbugs.gnu.org; Sun, 09 Jan 2022 07:57:16 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52306) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1n6Xl2-0002T6-7u for 53136 <at> debbugs.gnu.org; Sun, 09 Jan 2022 07:57:15 -0500 Received: from [2001:470:142:3::e] (port=53876 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6Xkw-0002oW-UQ; Sun, 09 Jan 2022 07:57:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=UFpzP3K3pUlPLBXwahvBwM9UrHyGwh/5Ze2fPS3jPAM=; b=cZrSdhcWkWGv WM7zni1+aDD91Ty51TINMn5M+WMuKnrMRCa9nZ1cYdHYoydwLhTBxUGNDuSTM6uBadCSMl9PDX6tW Ns8BbSVio5ZPcEI8YpYXoUvkITN+cGLYVqmPuXcs0h4VXx8h1v/EDSrDhBXPZ+z1d+vL809yvILyJ 6koC7RPwpq65E30qbLPKPGTD1NY3riLKlA16jn7ul3NLiqYaZhmaUCatjINUpFBXYqcgFMJOHzUa1 PHLoC/kuC0MLhGXn3qKAs+bsXqMwZj4k7AI3wEO3hS71gVdmPxHjNxPUECvtcKsKUMWyjC0m1ifTQ 0ZZGmVHFtDl741NDIckcNQ==; Received: from [87.69.77.57] (port=4523 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6Xkw-0006a3-VA; Sun, 09 Jan 2022 07:57:07 -0500 Date: Sun, 09 Jan 2022 14:56:54 +0200 Message-Id: <83wnj99ieh.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Po Lu <luangruo@HIDDEN> In-Reply-To: <875yqtt9qk.fsf@HIDDEN> (message from Po Lu on Sun, 09 Jan 2022 19:43:47 +0800) Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Po Lu <luangruo@HIDDEN> > Cc: 53136 <at> debbugs.gnu.org > Date: Sun, 09 Jan 2022 19:43:47 +0800 > > Eli Zaretskii <eliz@HIDDEN> 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 On second thought, these values are strange. Is PC really at the memcpy line? I don't see how dot could be NULL at that point: if lock_if_free returns a negative value, lock_info.dot cannot be NULL, according to my reading of the code. What is the contents of lock_info.user upto the first null byte?
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 9 Jan 2022 12:03:54 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jan 09 07:03:54 2022 Received: from localhost ([127.0.0.1]:49337 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n6WvS-0007V3-CF for submit <at> debbugs.gnu.org; Sun, 09 Jan 2022 07:03:54 -0500 Received: from eggs.gnu.org ([209.51.188.92]:45158) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1n6WvP-0007Un-8w for 53136 <at> debbugs.gnu.org; Sun, 09 Jan 2022 07:03:53 -0500 Received: from [2001:470:142:3::e] (port=53438 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6Wv8-0002bS-OP; Sun, 09 Jan 2022 07:03:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=GMlRcBD3+pkTimaSuYnO7nt9+lqJCYvAoTxilTEJWPQ=; b=rcR57FCaX7NP xA1NYMMI4bAaNjhKEWd2GBnEfQ59xy8QAOXClIz+NrRHUNUSby4p9VktcU3bqftTYGLiPVJ3r46XO IKBVFWycPbzcZaJSo58sv2yHMR5zTfgXKtZCc64F63rvmVJvRIM5m0MRD3wOjcyqaW/4LKtazGxnl h2jq2PdFYZthNapIf362RQmIf6rqmOVL5AsEPe2S+fJT/PuWHSrTGi1TDcmE34fP+mf3B8j1/XHpK p+YO8vCG6jIHNPxib+tKB/7kMpKFVbltFS/Z1VDerazoWbxmeCTNMCgvyL0DhPE3BFDOY9l3Jql9C uhQVYJ70hDN5mSojRqTEAQ==; Received: from [87.69.77.57] (port=1033 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6Wv8-0006Ki-3T; Sun, 09 Jan 2022 07:03:34 -0500 Date: Sun, 09 Jan 2022 14:03:21 +0200 Message-Id: <8335lxazg6.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Po Lu <luangruo@HIDDEN>, Paul Eggert <eggert@HIDDEN> In-Reply-To: <875yqtt9qk.fsf@HIDDEN> (message from Po Lu on Sun, 09 Jan 2022 19:43:47 +0800) Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> <875yqtt9qk.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Po Lu <luangruo@HIDDEN> > Cc: 53136 <at> debbugs.gnu.org > Date: Sun, 09 Jan 2022 19:43:47 +0800 > > - 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 Maybe that's the problem: it means current_lock_owner returned early due to some error, and we are dereferencing a NULL pointer. Paul, could you please take a look?
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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PPaoRdavbAsbuCuHjC9U9al22RckCbEVnzEIr5YLQJouQRAGxibsX4yH6.pUHIppc1dhe6iW8qkc iHiBSeWXY4WvTqrjAwNxdLa_X7PPxJM68sLsK_LRNEVBGC5QDigcWVjSAy7ZXL1HpDB0.sogA5pd ljzR40nskTq0V4orGwn3q2ICJwo.RkQmZ_Yw1LguagT9xN0b5YQhHBnWr1WGDux.cBIcyVYBD7RA kMMIOKNKsYa74So8pBuutFfCWZQtIruSk2wgPBsgzYtdR_WdM4l_cYwH8OVh4tCXVWGDyxxKVjcZ bS18Tt.sQH2HgiqmSbU9Kd1n_pJIGPGx9I36E05TyW_kgzhLcQ7dokqU1n04zzc.mIv8Kee0vT_O 6JY7DBghnH23C3d9ZnQ1iIPBeNZKt5rFghbzTUtLmUYcqUb5DX2qgueWcGWLHpYqODnH6ck.n321 qyD9JnSUUSSIULcGGHnYFFOtOp3d6kOB4szgn.qLW._l_47vcR48_dEJtCWvVTZjN.7.xbOOvuo5 pdioOXpijXTowg5vG7P9cwmm10knXc6ydfngH6v_W3XiN9pXCtge5WgP8ZUd4DpJGzIjvFrVlolA sUkfcFkNv0.O9MQ1WYcSNZ3dSCNitEAMLX5WC03kJTVZXo2.c_5JE X-Sonic-MF: <luangruo@HIDDEN> Received: from sonic.gate.mail.ne1.yahoo.com by sonic302.consmr.mail.ne1.yahoo.com with HTTP; Sun, 9 Jan 2022 11:44:00 +0000 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) From: Po Lu <luangruo@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> Date: Sun, 09 Jan 2022 19:43:47 +0800 In-Reply-To: <838rvp2tcw.fsf@HIDDEN> (Eli Zaretskii's message of "Sun, 09 Jan 2022 10:42:07 +0200") Message-ID: <875yqtt9qk.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 552 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> 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.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Sun, 9 Jan 2022 09:40:29 +0000 Received: by kubenode517.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID c8c8c78a184a1a13637ea158bb3a5808; Sun, 09 Jan 2022 09:40:22 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> <838rvp2tcw.fsf@HIDDEN> Date: Sun, 09 Jan 2022 17:40:17 +0800 In-Reply-To: <838rvp2tcw.fsf@HIDDEN> (Eli Zaretskii's message of "Sun, 09 Jan 2022 10:42:07 +0200") Message-ID: <87mtk5tfge.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 706 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: >> gdb says dot is "optimized out" (but valgrind, which I happened to be >> running that Emacs under in an attempt to catch the GC bug I reported a >> month ago, disagrees). pidlen is 6. >> >> I will try to get more information from the valgrind core file. A superficial examination didn't reveal any string that made sense in the (stack) frame of lock_file. I will dig deeper later. > So we somehow wrote more than 8192 bytes by that memcpy line? I find > this hard to believe. Same here, I couldn't find how that happened. > What exactly did valgrind say? It complained about an invalid write of size 1 at one byte outside the current stack frame. Thanks.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 9 Jan 2022 08:42:26 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jan 09 03:42:26 2022 Received: from localhost ([127.0.0.1]:49164 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n6TmU-0006Ki-9H for submit <at> debbugs.gnu.org; Sun, 09 Jan 2022 03:42:26 -0500 Received: from eggs.gnu.org ([209.51.188.92]:49382) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1n6TmS-0006KU-Pd for 53136 <at> debbugs.gnu.org; Sun, 09 Jan 2022 03:42:25 -0500 Received: from [2001:470:142:3::e] (port=50992 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6TmN-000107-GS; Sun, 09 Jan 2022 03:42:19 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=mki2uPn5hMlEVn3rfnlkZJxF1nD/ISe6AArwSoomN6Y=; b=MbmzgxCL7Evv DAhbznOK2BpJNy2MFd4JRWfPR9f0ATqXd1/WPZR3KA7UcqYf9Cv+CU79h8DfxG1M+2yulM1KM/TCY xdljbMFVTjin3T5G2k9p0FKjFojhaplgFAbLd9l2liNBmxzSGdVac4c3pwCRHEfsUeL7IodAAWGyi AJsscn/1HRs92zw6+nCFv8nLmrsI1EFS9whJIOZ6reph/INOuQAGZuIxwGrOiWPJ92OqIuiACBkR8 1RZSkkUgJhSHQAEqUDPHUytjvnuOfTeRLERNeSVpHIJbacPYFGiUivacdN2FIoycSsQbO9p2HhLX4 Z1a25RWwbYty/7fFpjAqcQ==; Received: from [87.69.77.57] (port=4520 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6TmN-00006u-Gu; Sun, 09 Jan 2022 03:42:19 -0500 Date: Sun, 09 Jan 2022 10:42:07 +0200 Message-Id: <838rvp2tcw.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Po Lu <luangruo@HIDDEN> In-Reply-To: <87r19htjlp.fsf@HIDDEN> (message from Po Lu on Sun, 09 Jan 2022 16:10:42 +0800) Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> <87r19htjlp.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > From: Po Lu <luangruo@HIDDEN> > Cc: 53136 <at> debbugs.gnu.org > Date: Sun, 09 Jan 2022 16:10:42 +0800 > > >> memcpy (dot, replacement, replacementlen); > >> > >> Ends up writing one byte outside dot. > >> > >> I could not find the problem, but someone else may want to take a look. > > > Details, please: the values of all the relevant variables at that > > point, including the contents of all the string variables. > > gdb says dot is "optimized out" (but valgrind, which I happened to be > running that Emacs under in an attempt to catch the GC bug I reported a > month ago, disagrees). pidlen is 6. > > I will try to get more information from the valgrind core file. Thanks. > > And what is your value of MAX_LFINFO? > > MAX_LFINFO is 8192. So we somehow wrote more than 8192 bytes by that memcpy line? I find this hard to believe. What exactly did valgrind say?
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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Sun, 9 Jan 2022 08:10:51 +0000 Received: by kubenode517.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 2a406f3fa8442ebd3cea4dc66a604c06; Sun, 09 Jan 2022 08:10:49 +0000 (UTC) From: Po Lu <luangruo@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> <83bl0l2we3.fsf@HIDDEN> Date: Sun, 09 Jan 2022 16:10:42 +0800 In-Reply-To: <83bl0l2we3.fsf@HIDDEN> (Eli Zaretskii's message of "Sun, 09 Jan 2022 09:36:36 +0200") Message-ID: <87r19htjlp.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.19551 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 875 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: >> This write in `lock_file': >> >> memcpy (dot, replacement, replacementlen); >> >> Ends up writing one byte outside dot. >> >> I could not find the problem, but someone else may want to take a look. > Details, please: the values of all the relevant variables at that > point, including the contents of all the string variables. gdb says dot is "optimized out" (but valgrind, which I happened to be running that Emacs under in an attempt to catch the GC bug I reported a month ago, disagrees). pidlen is 6. I will try to get more information from the valgrind core file. > And what is your value of MAX_LFINFO? MAX_LFINFO is 8192. > I don't see how this can be efficiently investigated without this > data. In particular, 'dot' has no storage of its own, it's just a > pointer into the lock_info.user[] array. Thanks.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.Received: (at 53136) by debbugs.gnu.org; 9 Jan 2022 07:37:11 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Jan 09 02:37:10 2022 Received: from localhost ([127.0.0.1]:49129 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1n6SlK-0004ja-N5 for submit <at> debbugs.gnu.org; Sun, 09 Jan 2022 02:37:10 -0500 Received: from eggs.gnu.org ([209.51.188.92]:42286) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1n6SlG-0004j6-I2 for 53136 <at> debbugs.gnu.org; Sun, 09 Jan 2022 02:37:08 -0500 Received: from [2001:470:142:3::e] (port=50470 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6SlB-00012t-AH; Sun, 09 Jan 2022 02:37:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=gTU2I2MsuCNB0rjof583CxvwssL0wHHdtiSrMbpmzno=; b=OvLSusYGH7/q /I4a+u5348TiG8GvVV2xtde0ayS5yWt1GFkjhjxsfPbdFqG0MXUy5iQRgN8uz584W7kIfya7FtB+f HVd5m1hk+Bqkm4Kalhfr7p3vRw6pigyXZmSHqy3AEfpUGiAx2Yr5ZUg4MmCW1baZN3dMHBuQGl/ro tIMPutwZwKHCMxK61zXgs15Wwwbj5bzTuPE+zQxz4Efkcon6RMF/4hb3ldsb6yOvUJAjqUncOlSBe EhhtYW6rySZMgv3ON4a6ONWKdLs2K7ZYZ3513Jw+WvDEJUZL9Q5sVSinqiisOv3ydIPjC3eqTWt0O 82QgFgSbtGMpn6GzGiLPVA==; Received: from [87.69.77.57] (port=4489 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1n6Sl0-0002rw-AO; Sun, 09 Jan 2022 02:36:58 -0500 Date: Sun, 09 Jan 2022 09:36:36 +0200 Message-Id: <83bl0l2we3.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Po Lu <luangruo@HIDDEN> In-Reply-To: <871r1hv40o.fsf@HIDDEN> (bug-gnu-emacs@HIDDEN) Subject: Re: bug#53136: 28.0.90; segfault in lock_file References: <871r1hv40o.fsf.ref@HIDDEN> <871r1hv40o.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 53136 Cc: 53136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Resent-From: Po Lu <luangruo@HIDDEN> > Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> > Resent-CC: bug-gnu-emacs@HIDDEN > Resent-Sender: help-debbugs@HIDDEN > Date: Sun, 09 Jan 2022 14:04:23 +0800 > From: Po Lu via "Bug reports for GNU Emacs, > the Swiss army knife of text editors" <bug-gnu-emacs@HIDDEN> > > This write in `lock_file': > > memcpy (dot, replacement, replacementlen); > > Ends up writing one byte outside dot. > > I could not find the problem, but someone else may want to take a look. Details, please: the values of all the relevant variables at that point, including the contents of all the string variables. And what is your value of MAX_LFINFO? I don't see how this can be efficiently investigated without this data. In particular, 'dot' has no storage of its own, it's just a pointer into the lock_info.user[] array.
bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
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From: Po Lu <luangruo@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: 28.0.90; segfault in lock_file
Date: Sun, 09 Jan 2022 14:04:23 +0800
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This write in `lock_file':
memcpy (dot, replacement, replacementlen);
Ends up writing one byte outside dot.
I could not find the problem, but someone else may want to take a look.
Thanks.
Po Lu <luangruo@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#53136; Package emacs.
Full text available.
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