From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: =?UTF-8?Q?=E7=A9=8D=E4=B8=B9=E5=B0=BC?= Dan Jacobson Newsgroups: gmane.emacs.bugs Subject: bug#30193: The deadliest file in Emacs history Date: Sun, 21 Jan 2018 17:54:25 +0800 Message-ID: <87o9lnv8oe.fsf@jidanni.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1516542519 14966 195.159.176.226 (21 Jan 2018 13:48:39 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 21 Jan 2018 13:48:39 +0000 (UTC) To: 30193@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jan 21 14:48:34 2018 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 1edFyo-0002Us-Db for geb-bug-gnu-emacs@m.gmane.org; Sun, 21 Jan 2018 14:48:14 +0100 Original-Received: from localhost ([::1]:57532 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1edG0o-0001ku-LZ for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 21 Jan 2018 05:49:25 -0800 (PST) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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:142342 Archived-At: Gentleman, I reveal to you the deadliest file in the history of Emacs. It is so deadly that it must be QP encoded, else, well, Fatal error 11: Segmentation fault Backtrace: emacs[0x50a5fe]... /lib/x86_64-linux-gnu/libpthread.so.0(+0x11fb0)[0x7fc827b75fb0] /usr/lib/x86_64-linux-gnu/libotf.so.0(OTF_drive_gpos_with_log+0x2a)[0x7fc828527a2a] /usr/lib/x86_64-linux-gnu/libm17n-flt.so.0(+0x24f2)[0x7fc8280e04f2]... It is so deadly that once restored from QP, only emacs -nw can safely open it. If you use X-windows, even doing "! cat" (! runs the command dired-do-shell-command) or just plain $ emacs DEATH will crash your emacs. No matter if you do # su - nobody or even LC_ALL=C emacs ... for the cleanest environment. Oh yeah, here it is. $ cat DEATH.qp =E0=B2=B9=E0=B3=86=E0=B2=9A=E0=B3=8D=E0=B2=9A=E0=B3=81 It is so deadly that even in M-x shell, just doing $ qprint -d DEATH.qp will fry your emacs. emacs-version "25.2.2" Debian emacs25 25.2+1-6