From: Carsten Mattner <carstenmattner@googlemail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: C-g crash in C-x C-f (OSX Lion)
Date: Fri, 16 Dec 2011 22:22:54 +0100 [thread overview]
Message-ID: <CACY+HvobJ4+6mcehZGObZPA70erKeScsSArAwXM3108y0JQF8A@mail.gmail.com> (raw)
In-Reply-To: <83fwgk1atk.fsf@gnu.org>
On Fri, Dec 16, 2011 at 10:11 PM, Eli Zaretskii <eliz@gnu.org> wrote:
>> Date: Fri, 16 Dec 2011 21:19:19 +0100
>> From: Carsten Mattner <carstenmattner@googlemail.com>
>> Cc: emacs-devel@gnu.org
>>
>> > #0 0x9adc5d50 in strlen ()
>> > #1 0x001e7601 in intern (str=0x0) at lread.c:3707
>> > #2 0x00283efb in ns_string_to_symbol (t=0x0) at nsselect.m:86
>> > #3 0x002847ab in ns_handle_selection_request (event=0xbfffef88) at
>> > nsselect.m:247
>> >
>> > vs the below with with the terminal frontend.
>> >
>> > Next I will not load evil-mode and see what happens.
>>
>> Can these crashes happen due to enabled assertions?
>
> No. Emacs crashes because it tries to compute the length of a string
> specified by a NULL pointer. It looks like this happens due to a
> selection request, but when that request is handled, Emacs tries to
> intern a name that is a NULL string.
What about the other crash which happened when I ran it as
emacs -nw?
> I don't know enough about the NS build and the code in nsselect.m to
> reason why this could happen. In particular, I don't understand this
> portion of the code:
>
> static void
> ns_handle_selection_request (struct input_event *event)
> {
> // FIXME: BIG UGLY HACK!!!
> id pb = (id)*(EMACS_INT*)&(event->x);
> ...
> selection_name = ns_string_to_symbol ([(NSPasteboard *)pb name]);
>
> How come the x coordinate of an event could be passed to
> ns_string_to_symbol as a string, no matter how it is type-cast??
>
> This certainly isn't related to enabled assertions.
I also didn't think so, but it's a foreign codebase and it's C, so
better ask than assume.
next prev parent reply other threads:[~2011-12-16 21:22 UTC|newest]
Thread overview: 156+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-12 13:11 C-g crash in C-x C-f (OSX Lion) Carsten Mattner
2011-12-14 17:56 ` chad
2011-12-14 20:50 ` Jan Djärv
2011-12-14 21:45 ` Carsten Mattner
2011-12-15 6:08 ` Eli Zaretskii
2011-12-15 20:42 ` Carsten Mattner
2011-12-15 20:47 ` Eli Zaretskii
2011-12-15 21:22 ` Carsten Mattner
2011-12-15 21:24 ` Carsten Mattner
2011-12-16 12:46 ` Carsten Mattner
2011-12-16 13:33 ` Jan D.
2011-12-16 14:21 ` Carsten Mattner
2011-12-16 14:32 ` Eli Zaretskii
2011-12-16 19:00 ` Carsten Mattner
2011-12-16 19:02 ` Carsten Mattner
2011-12-16 20:11 ` Carsten Mattner
2011-12-16 20:14 ` Carsten Mattner
2011-12-16 20:19 ` Carsten Mattner
2011-12-16 20:21 ` Carsten Mattner
2011-12-16 21:12 ` Eli Zaretskii
2011-12-16 21:21 ` Carsten Mattner
2011-12-16 21:11 ` Eli Zaretskii
2011-12-16 21:22 ` Carsten Mattner [this message]
2011-12-17 8:33 ` Eli Zaretskii
2011-12-16 21:24 ` Andreas Schwab
2011-12-17 3:41 ` Stephen J. Turnbull
2011-12-17 4:36 ` Óscar Fuentes
2011-12-17 8:32 ` Eli Zaretskii
2011-12-17 9:46 ` Jan Djärv
2011-12-17 12:03 ` Eli Zaretskii
2011-12-17 13:50 ` Jan Djärv
2011-12-17 15:39 ` Carsten Mattner
2011-12-17 15:49 ` Carsten Mattner
2011-12-17 16:08 ` Eli Zaretskii
2011-12-17 16:09 ` Jan Djärv
2011-12-17 16:20 ` Carsten Mattner
2011-12-17 16:47 ` Carsten Mattner
2011-12-17 17:15 ` Jan Djärv
2011-12-17 17:19 ` Carsten Mattner
2011-12-17 17:46 ` Jan Djärv
2011-12-17 18:06 ` Carsten Mattner
2011-12-17 18:18 ` Jan Djärv
2011-12-17 18:20 ` Carsten Mattner
2011-12-19 8:40 ` Stephen J. Turnbull
2011-12-19 10:59 ` Carsten Mattner
2011-12-19 11:20 ` Eli Zaretskii
2011-12-19 11:51 ` Carsten Mattner
2011-12-19 14:04 ` Eli Zaretskii
2011-12-19 11:53 ` Stephen J. Turnbull
2011-12-17 9:27 ` Jan Djärv
2011-12-16 21:49 ` Carsten Mattner
2011-12-17 8:13 ` Eli Zaretskii
2011-12-17 0:22 ` Paul Eggert
2011-12-17 9:14 ` Jan Djärv
2011-12-17 17:30 ` Adrian Robert
2011-12-17 17:53 ` Jan Djärv
2011-12-17 18:19 ` Paul Eggert
2011-12-19 18:18 ` Jan Djärv
2011-12-19 21:31 ` Paul Eggert
2011-12-19 9:00 ` René Kyllingstad
2011-12-19 11:00 ` Carsten Mattner
2011-12-19 15:53 ` Jan D.
2011-12-19 16:52 ` Carsten Mattner
2011-12-19 17:04 ` chad
2011-12-19 17:25 ` René Kyllingstad
2011-12-19 17:47 ` Carsten Mattner
2011-12-19 22:27 ` Dan Nicolaescu
2011-12-19 22:29 ` Carsten Mattner
2011-12-19 23:42 ` chad
2011-12-20 0:03 ` chad
2011-12-20 1:12 ` YAMAMOTO Mitsuharu
2011-12-20 1:28 ` YAMAMOTO Mitsuharu
2011-12-20 1:40 ` chad
2011-12-20 2:14 ` Glenn Morris
2011-12-20 2:32 ` YAMAMOTO Mitsuharu
2011-12-20 9:24 ` YAMAMOTO Mitsuharu
2011-12-20 18:33 ` Carsten Mattner
2011-12-21 0:38 ` YAMAMOTO Mitsuharu
2011-12-21 10:42 ` Carsten Mattner
2011-12-22 0:34 ` YAMAMOTO Mitsuharu
2011-12-22 11:23 ` Carsten Mattner
2011-12-22 0:42 ` YAMAMOTO Mitsuharu
2011-12-22 11:28 ` Carsten Mattner
2011-12-23 1:28 ` YAMAMOTO Mitsuharu
2011-12-23 8:09 ` Jan Djärv
2011-12-24 1:54 ` YAMAMOTO Mitsuharu
2011-12-26 15:31 ` Jan Djärv
2011-12-26 15:46 ` David Reitter
2011-12-26 16:26 ` Carsten Mattner
2011-12-26 16:41 ` Stephen J. Turnbull
2011-12-27 1:28 ` YAMAMOTO Mitsuharu
2011-12-27 1:14 ` YAMAMOTO Mitsuharu
2011-12-23 13:26 ` Ted Zlatanov
2011-12-23 15:05 ` Stephen J. Turnbull
2011-12-27 15:52 ` Ted Zlatanov
2011-12-28 4:50 ` Stephen J. Turnbull
2011-12-28 7:36 ` YAMAMOTO Mitsuharu
2011-12-28 10:42 ` Stefan Monnier
2011-12-28 13:44 ` Jan Djärv
2011-12-29 0:18 ` Ted Zlatanov
2011-12-29 0:57 ` YAMAMOTO Mitsuharu
2011-12-29 15:15 ` Ted Zlatanov
2011-12-30 0:34 ` YAMAMOTO Mitsuharu
2011-12-30 14:52 ` Ted Zlatanov
2011-12-30 22:12 ` YAMAMOTO Mitsuharu
2011-12-31 13:22 ` Mac OS-compatible ports (was: C-g crash in C-x C-f (OSX Lion)) Ted Zlatanov
2011-12-31 14:27 ` Mac OS-compatible ports Jan D.
2012-01-01 1:54 ` YAMAMOTO Mitsuharu
2012-01-01 10:48 ` Jan Djärv
2012-01-01 15:31 ` Adrian Robert
2012-01-02 0:13 ` YAMAMOTO Mitsuharu
2012-01-01 1:47 ` Mac OS-compatible ports (was: C-g crash in C-x C-f (OSX Lion)) YAMAMOTO Mitsuharu
2012-01-01 7:02 ` YAMAMOTO Mitsuharu
2012-01-01 21:18 ` Mac OS-compatible ports David De La Harpe Golden
2012-01-02 6:04 ` YAMAMOTO Mitsuharu
2012-01-01 10:50 ` Mac OS-compatible ports (was: C-g crash in C-x C-f (OSX Lion)) Carsten Mattner
2012-01-01 14:06 ` Mac OS-compatible ports Ted Zlatanov
2012-01-02 0:43 ` YAMAMOTO Mitsuharu
2012-01-01 6:26 ` Leo
2012-01-01 10:36 ` Jan Djärv
2012-01-01 10:48 ` Carsten Mattner
2012-01-02 10:08 ` Christian Lynbech
2012-01-07 13:09 ` Dimitri Fontaine
2012-01-08 1:07 ` Dave Abrahams
2012-01-08 1:10 ` Dave Abrahams
2012-01-08 1:28 ` chad
2012-01-08 8:37 ` Dimitri Fontaine
2012-01-01 13:24 ` Ted Zlatanov
2012-01-01 19:22 ` chad
2011-12-20 1:57 ` C-g crash in C-x C-f (OSX Lion) Leo
2011-12-20 7:29 ` YAMAMOTO Mitsuharu
2011-12-19 18:15 ` Harald Hanche-Olsen
2011-12-19 18:50 ` Carsten Mattner
2011-12-19 19:40 ` Harald Hanche-Olsen
2011-12-19 20:16 ` Jan Djärv
2011-12-19 20:46 ` Carsten Mattner
2011-12-20 17:34 ` Adrian Robert
2011-12-17 18:26 ` Richard Stallman
2011-12-17 18:30 ` Carsten Mattner
[not found] ` <CACY+HvrywuKjP8-TtONhaX-D6hK7WPKFhe2gqWA9BkjkpZ_uAg@mail.gmail.com>
2011-12-18 10:22 ` Carsten Mattner
2011-12-18 13:52 ` Jan Djärv
2011-12-18 14:35 ` Carsten Mattner
2011-12-18 15:09 ` Jan Djärv
2011-12-18 17:58 ` Carsten Mattner
2011-12-19 6:32 ` Jan Djärv
2011-12-19 11:04 ` Carsten Mattner
2011-12-19 13:33 ` Carsten Mattner
2011-12-19 15:55 ` Jan D.
2011-12-19 16:53 ` Carsten Mattner
2011-12-19 17:48 ` Jan Djärv
2011-12-19 18:51 ` Carsten Mattner
2011-12-19 20:16 ` Jan Djärv
2011-12-18 16:54 ` Eli Zaretskii
2011-12-18 17:11 ` Carsten Mattner
2011-12-19 2:51 ` Richard Stallman
2011-12-19 11:10 ` Carsten Mattner
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