Return-Path: X-Original-To: notmuch@notmuchmail.org Delivered-To: notmuch@notmuchmail.org Received: from localhost (localhost [127.0.0.1]) by olra.theworths.org (Postfix) with ESMTP id A65FB40BC75 for ; Tue, 17 Aug 2010 08:11:24 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at olra.theworths.org X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9] autolearn=unavailable Received: from olra.theworths.org ([127.0.0.1]) by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sRfPf3viAyqp for ; Tue, 17 Aug 2010 08:11:11 -0700 (PDT) Received: from pantheon-po44.its.yale.edu (pantheon-po44.its.yale.edu [130.132.50.78]) by olra.theworths.org (Postfix) with ESMTP id 01F4E40BC77 for ; Tue, 17 Aug 2010 08:11:10 -0700 (PDT) Received: from furry ([64.134.241.179]) (authenticated bits=0) by pantheon-po44.its.yale.edu (8.12.11.20060308/8.12.11) with ESMTP id o7HFAcWL014923 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 17 Aug 2010 11:10:40 -0400 Received: by furry (Postfix, from userid 1000) id C9A36C013; Tue, 17 Aug 2010 11:10:37 -0400 (EDT) From: Chong Yidong To: Stefan Monnier Subject: Re: bug#6214: 23.1; json-read-string crashes emacs with long string References: <87pr0t5h1q.fsf@yoom.home.cworth.org> <87fx1pkrsh.fsf@stupidchicken.com> <87tymzv6ga.fsf@steelpick.2x.cz> <878w4afozw.fsf@stupidchicken.com> <87sk2hbq3s.fsf@steelpick.2x.cz> <8739ug3mrr.fsf@stupidchicken.com> <87r5i02uo7.fsf@steelpick.2x.cz> <874oeuv4le.fsf@stupidchicken.com> <87fwye2sxt.fsf@steelpick.2x.cz> Date: Tue, 17 Aug 2010 11:10:37 -0400 In-Reply-To: <87fwye2sxt.fsf@steelpick.2x.cz> (Michal Sojka's message of "Mon, 16 Aug 2010 22:39:26 +0200") Message-ID: <87pqxhmg0i.fsf@stupidchicken.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-YaleITSMailFilter: Version 1.2c (attachment(s) not renamed) Cc: 6214@debbugs.gnu.org, Notmuch mailing list X-BeenThere: notmuch@notmuchmail.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Use and development of the notmuch mail system." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Aug 2010 15:11:24 -0000 Michal Sojka writes: > On Mon, 16 Aug 2010, Chong Yidong wrote: >> Thanks, that is a useful backtrace. Could you apply this patch and see >> if it fixes the problem? > > Great! The patch fixes the problem. Now I can view 20 MB email in > notmuch. Hmm, there is a problem, though. If we attempt to avoid a stack overflow in `apply' by using the heap rather than the stack to store large numbers of arguments, those arguments are invisible to the stack-marking gargbage collector. One workaround is to temporarily disable garbage collection if using the heap. Stefan, any ideas?