From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Josh Berdine Newsgroups: gmane.emacs.bugs Subject: bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs Date: Fri, 18 Nov 2016 21:31:49 +0000 Message-ID: References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1479504739 10658 195.159.176.226 (18 Nov 2016 21:32:19 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 18 Nov 2016 21:32:19 +0000 (UTC) To: 22818@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Nov 18 22:32:15 2016 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 1c7qla-0001ct-8c for geb-bug-gnu-emacs@m.gmane.org; Fri, 18 Nov 2016 22:32:14 +0100 Original-Received: from localhost ([::1]:38970 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c7qld-00046r-Ns for geb-bug-gnu-emacs@m.gmane.org; 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Fri, 18 Nov 2016 21:31:49 +0000 (GMT) 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:125849 Archived-At: I have encountered a crash in ns_compute_glyph_string_overhangs, seems likely to be the same issue. I hit this when using the notmuch email client with a message with the following subject header: Subject: =?UTF-8?B?W1JvYm90IEhvdXNlXSDwn42V?= =?UTF-8?B?8J+NlfCfjZXwn42V8J+NlfCfjZXwn42V8J+NlfCfjZXwn42V8J+NlfCfjZXwn42V8J+NlfCfjZXwn42V?= =?UTF-8?B?8J+NlfCfjZXwn42V8J+NlfCfjZXwn42V8J+NlfCfjZXwn42V8J+NlfCfjZXwn42V8J+NlfCfjZXwn42V?= I am running GNU Emacs 25.1.1 (x86_64-apple-darwin13.4.0, NS appkit-1265.21 Version 10.9.5 (Build 13F1911)) of 2016-09-17 I attached lldb to a running emacs and then executed a `notmuch-search` that included the message with above subject. Backtrace is: (lldb) c Process 42346 resuming Process 42346 stopped * thread #1: tid = 0x449aca, 0x00000001001b5767 Emacs-x86_64-10_9`ns_compute_glyph_string_overhangs + 119, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0xd0) frame #0: 0x00000001001b5767 Emacs-x86_64-10_9`ns_compute_glyph_string_overhangs + 119 Emacs-x86_64-10_9`ns_compute_glyph_string_overhangs: -> 0x1001b5767 <+119>: movq 0xd0(%rdi), %rax 0x1001b576e <+126>: cmpq $0x7e00, (%rax) ; imm = 0x7E00 0x1001b5775 <+133>: jne 0x1001b579b ; <+171> 0x1001b5777 <+135>: xorl %eax, %eax (lldb) bt * thread #1: tid = 0x449aca, 0x00000001001b5767 Emacs-x86_64-10_9`ns_compute_glyph_string_overhangs + 119, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0xd0) * frame #0: 0x00000001001b5767 Emacs-x86_64-10_9`ns_compute_glyph_string_overhangs + 119 frame #1: 0x00000001000379d7 Emacs-x86_64-10_9`draw_glyphs + 3415 frame #2: 0x0000000100036c16 Emacs-x86_64-10_9`x_write_glyphs + 166 frame #3: 0x0000000100009e3e Emacs-x86_64-10_9`update_window_line + 670 frame #4: 0x0000000100005edc Emacs-x86_64-10_9`update_window + 4588 frame #5: 0x00000001000046a4 Emacs-x86_64-10_9`update_window_tree + 116 frame #6: 0x00000001000044e7 Emacs-x86_64-10_9`update_frame + 135 frame #7: 0x00000001000275d2 Emacs-x86_64-10_9`redisplay_internal + 5666 frame #8: 0x00000001000283fc Emacs-x86_64-10_9`redisplay_preserve_echo_area + 44 frame #9: 0x000000010017a553 Emacs-x86_64-10_9`wait_reading_process_output + 1651 frame #10: 0x00000001000076bd Emacs-x86_64-10_9`sit_for + 253 frame #11: 0x00000001000c1996 Emacs-x86_64-10_9`read_char + 6006 frame #12: 0x00000001000be2ec Emacs-x86_64-10_9`read_key_sequence + 2092 frame #13: 0x00000001000bca02 Emacs-x86_64-10_9`command_loop_1 + 1154 frame #14: 0x0000000100138196 Emacs-x86_64-10_9`internal_condition_case + 70 frame #15: 0x00000001000cd620 Emacs-x86_64-10_9`command_loop_2 + 48 frame #16: 0x0000000100137cf6 Emacs-x86_64-10_9`internal_catch + 54 frame #17: 0x00000001000bbc4e Emacs-x86_64-10_9`command_loop + 158 frame #18: 0x00000001000bbb65 Emacs-x86_64-10_9`recursive_edit_1 + 117 frame #19: 0x00000001000bbd8c Emacs-x86_64-10_9`Frecursive_edit + 220 frame #20: 0x00000001000baa5e Emacs-x86_64-10_9`main + 5854 frame #21: 0x00007fff9b4225ad libdyld.dylib`start + 1 frame #22: 0x00007fff9b4225ad libdyld.dylib`start + 1 Using Aaron's test-file, `/Applications/Emacs.app/Contents/MacOS/Emacs -Q test-file` crashes with the same backtrace. If I leave out -Q, however, it does not crash.