From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#21160: 24.5; message-goto-body crashes with moderately large headers Date: Thu, 26 Jan 2017 15:21:49 -0500 Message-ID: References: <87mvydhehk.fsf@maritornes.cs.unb.ca> <878tzqz3as.fsf@mbork.pl> <874m0lmw9t.fsf@gnus.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: blaine.gmane.org 1485462218 29433 195.159.176.226 (26 Jan 2017 20:23:38 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 26 Jan 2017 20:23:38 +0000 (UTC) Cc: David Bremner , Marcin Borkowski , 21160@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 26 21:23:33 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1cWqZm-000610-HW for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 26 Jan 2017 20:23:02 +0000 Original-Received: (at 21160) by debbugs.gnu.org; 26 Jan 2017 20:22:07 +0000 Original-Received: from localhost ([127.0.0.1]:46145 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cWqYW-00022x-0u for submit@debbugs.gnu.org; Thu, 26 Jan 2017 15:22:07 -0500 Original-Received: from mail-ot0-f194.google.com ([74.125.82.194]:35298) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cWqYN-00022F-UU for 21160@debbugs.gnu.org; Thu, 26 Jan 2017 15:21:59 -0500 Original-Received: by mail-ot0-f194.google.com with SMTP id 65so28639982otq.2 for <21160@debbugs.gnu.org>; Thu, 26 Jan 2017 12:21:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=1+aQr2w7JG0dVlnQI8Q4dEsINhYNOfAeN5B7RPPvG4A=; b=muaUUDiub4TZraXom8rCXSdqash03+4Bia+v70jN8cGWz/RjMtNOm7KmlOiffYdjiQ sC9iC2VzfMFaXRBUR1DFd5ZIh2f7ht8ZDWHMaQEstQ11upt8/bcIgsrZmvQbs7c47Ujj IacJFfnKn2e4FNv67jLO2mdM5RegcwBb1jsk37KjVYAqFJq+XDizy8A2RrHOflpiYj58 NkL+PM7fl/P0qkqlXVc/r0yB7hGMHIT8NYn9jNqgySgNWhccffkebldOzihvR+VqsH5L 2aIPgTOoqlMN8e/N2yXs5EmzsrH9FgmglQ85gRPLnqbRZlIPj0/9YKkv6ER8qSwgld6z ARQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=1+aQr2w7JG0dVlnQI8Q4dEsINhYNOfAeN5B7RPPvG4A=; b=cwrJYnh5qHQ4J0w4igj4IMLOaRBNOS3o1oWSsWw+WrtrviDdVoUJrWaqtrGqjLa43V Y9Kv/tQMJMVM/J75tVr6LXwMVIpdANSJB8j7KLS9/OaEpUdf6TINAQQwm6If2I1LduiI z+kEbYZjycOTCzV12yrzUXmF8rNKsF6ZkU5vhcvWnyaKTmeDaMEATBhmU4U+IWN56s4d XrX1C+/2c03+Oxs1X49HCq2mbzm3xQhk2aO/WNn2VgCUZJzbIQL20GxAzw0lx+ILFzKt +iHiOE8lFZFNrcvMdoTvb6rZugttpwAOZnJscPjrPSXn6GXGfLyEnDuET3MX5caAwIeP jnQQ== X-Gm-Message-State: AIkVDXJAFWHP5KJpzoY0HIho5s5leN7YeGR7hWFf9c4HoxrFlCq6j0XySFnNVFPghrkF0fVP3TyBu+8AiQttSw== X-Received: by 10.157.29.228 with SMTP id w33mr2065282otw.55.1485462110128; Thu, 26 Jan 2017 12:21:50 -0800 (PST) Original-Received: by 10.157.21.117 with HTTP; Thu, 26 Jan 2017 12:21:49 -0800 (PST) In-Reply-To: <874m0lmw9t.fsf@gnus.org> X-Google-Sender-Auth: eGWzivq1hxhqx1UIyrfbOpzg6MQ 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-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:128599 Archived-At: retitle 21160 message-goto-body overflows regex stack with large headers quit On Thu, Jan 26, 2017 at 2:55 PM, Lars Ingebrigtsen wrote: > Marcin Borkowski writes: > >> On 2015-07-30, at 17:06, David Bremner wrote: >> >>> This bug originally arose using message-mode to forward a message with >>> mml markup "type=message/rfc822 disposition=inline" >>> >>> Unfortunately I don't have permission to share the test message, but >>> the failure of the corresponding line in message-goto-body can be >>> duplicated as follows. >>> >>> 1) start emacs -Q >>> 2) visit the attached file >>> 3) run M-: (search-forward-regexp "[^:]+:\\([^\n]\\|\n[ \t]\\)+\n\n" nil t) >> >> Confirmed on GNU Emacs 25.1.50.9 (commit fafdfcb). The error message is >> "Stack overflow in regexp matcher". > > I'm unable to reproduce this bug on the current Emacs trunk. It seems > to do the right thing here... > The regex stack limit is greatly increased (*16, I think) on master. Might still trigger with a larger text.