From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.bugs Subject: bug#24884: Segfault on (mkstemp! "XX" 0) Date: Wed, 11 Jan 2017 22:33:30 +0100 Message-ID: <87a8ax8eol.fsf@pobox.com> References: <20161105181658.GA2536@protected.rcdrun.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1484170462 32494 195.159.176.226 (11 Jan 2017 21:34:22 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 11 Jan 2017 21:34:22 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) Cc: 24884@debbugs.gnu.org To: Jean Louis Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Wed Jan 11 22:34:13 2017 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cRQX3-0007Wt-O7 for guile-bugs@m.gmane.org; Wed, 11 Jan 2017 22:34:09 +0100 Original-Received: from localhost ([::1]:57311 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cRQX8-0005wh-CG for guile-bugs@m.gmane.org; Wed, 11 Jan 2017 16:34:14 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43543) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cRQWz-0005rh-RK for bug-guile@gnu.org; Wed, 11 Jan 2017 16:34:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cRQWw-00075A-Ky for bug-guile@gnu.org; Wed, 11 Jan 2017 16:34:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:34839) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cRQWw-00074k-Gv for bug-guile@gnu.org; Wed, 11 Jan 2017 16:34:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cRQWw-0004Uh-5U for bug-guile@gnu.org; Wed, 11 Jan 2017 16:34:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Andy Wingo Original-Sender: "Debbugs-submit" Resent-CC: bug-guile@gnu.org Resent-Date: Wed, 11 Jan 2017 21:34:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 24884 X-GNU-PR-Package: guile X-GNU-PR-Keywords: Original-Received: via spool by 24884-submit@debbugs.gnu.org id=B24884.148417042417236 (code B ref 24884); Wed, 11 Jan 2017 21:34:02 +0000 Original-Received: (at 24884) by debbugs.gnu.org; 11 Jan 2017 21:33:44 +0000 Original-Received: from localhost ([127.0.0.1]:50238 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cRQWd-0004Tw-V0 for submit@debbugs.gnu.org; Wed, 11 Jan 2017 16:33:44 -0500 Original-Received: from pb-sasl1.pobox.com ([64.147.108.66]:58682 helo=sasl.smtp.pobox.com) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cRQWb-0004Tn-Ty for 24884@debbugs.gnu.org; Wed, 11 Jan 2017 16:33:42 -0500 Original-Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-sasl1.pobox.com (Postfix) with ESMTP id AC9CB56B00; Wed, 11 Jan 2017 16:33:40 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=Q7CY4NB8Z5xhKFZ9fGhDPXXbyjk=; b=vUWlBa WCWyqAk4NkfYaD7RklmqPGa5ewkrIb8gwoN4HFECZQQzslPu17uhW+3UMFqt9ZXO BNyjXcYpnU/nIbvhr1tEK4BXBt61HyhBvmy1w4rG44w1Q8tLv1MhBf65WRSqUSRD 7eZSxetnn1hSzE/0O0Pyjh+z8C2UF0sOog4TE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=RT7DIJr9Lt14ixBYGYpe0mt+eUYwMQnM YbUP4CkZU9ApnA9ri3ExotQpwFQTX3Hn6c5OTCTxoMeY2aiE99OGbicw0kh3QrtR qGwyfddA/G6xv+oO3zwIiKf4YvClC4zcrRONtqx9YXpa5iusyg9jqtz3qacumKoz w96vCBS9Vtw= Original-Received: from pb-sasl1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-sasl1.pobox.com (Postfix) with ESMTP id A437756AFE; Wed, 11 Jan 2017 16:33:40 -0500 (EST) Original-Received: from clucks (unknown [88.160.190.192]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pb-sasl1.pobox.com (Postfix) with ESMTPSA id 959EC56AFD; Wed, 11 Jan 2017 16:33:39 -0500 (EST) In-Reply-To: <20161105181658.GA2536@protected.rcdrun.com> (Jean Louis's message of "Sat, 5 Nov 2016 21:16:58 +0300") X-Pobox-Relay-ID: 9E3C88DC-D845-11E6-A0DD-CDEC6462E9F6-02397024!pb-sasl1.pobox.com X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Original-Sender: "bug-guile" Xref: news.gmane.org gmane.lisp.guile.bugs:8518 Archived-At: On Sat 05 Nov 2016 19:16, Jean Louis writes: > I was just testing a function, and before I figured out what is > happening, it is segfaulting on: > (mkstemp! "XX" 0) > > I don't say, I am using it right. It should not segfault. I agree. This is a pending topic in Guile. (The reason, of course: mutating literal constants is not valid Scheme. Guile allocates some constant literals in read-only memory. Mutating that memory, or attempting to do so, segfaults, as you have seen. We should raise an error instead.) Andy