GNU bug report logs - #8219
23.3; Crash in indirect buffer

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Chong Yidong <cyd <at> stupidchicken.com>
Subject: bug#8219: closed (Re: bug#8219: Effect of deletions on indirect
 buffers (Bug#8219))
Date: Sat, 19 Mar 2011 16:45:02 +0000

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Your bug report

#8219: 23.3; Crash in indirect buffer

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 8219 <at> debbugs.gnu.org.

-- 
8219: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8219
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: 8219-done <at> debbugs.gnu.org
Subject: Re: bug#8219: Effect of deletions on indirect buffers (Bug#8219)
Date: Sat, 19 Mar 2011 12:44:14 -0400

I have backported the trunk fix to the emacs-23 brach (there seems to be
no safer complete solutions).  Closing Bug#8219 and Bug#1242.

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 23.3; Crash in indirect buffer
Date: Thu, 10 Mar 2011 15:24:41 -0500

Just came across this; it is present in (at least) 23.2, and in trunk.
I haven't had time to debug further; any help welcome.  The backtrace is
from trunk.

emacs -Q
M-<
M-x clone-indirect-buffer RET
C-n
C-k
C-x o
C-k   => abort

#0  abort () at emacs.c:372
#1  0x0000000000646ba0 in find_interval (tree=0xc569e0, position=78)
    at intervals.c:635
#2  0x0000000000649c9c in get_property_and_range (pos=78, prop=12679682,
    val=0x7fffffffacd8, start=0x7ffffffface8, end=0x7ffffffface0,
    object=22411973) at intervals.c:2263
#3  0x0000000000651631 in find_composition (pos=78, limit=-1,
    start=0x7ffffffface8, end=0x7ffffffface0, prop=0x7fffffffacd8,
    object=22411973) at composite.c:430
#4  0x0000000000448290 in check_point_in_composition (prev_buf=0x155fac0,
    prev_pt=78, buf=0x155fac0, pt=2) at xdisp.c:11311
#5  0x0000000000448857 in reconsider_clip_changes (w=0x1564480, b=0x155fac0)
    at xdisp.c:11358
#6  0x000000000044f0d7 in redisplay_window (window=22430853, just_this_one_p=0)
    at xdisp.c:13715
#7  0x000000000044addc in redisplay_window_0 (window=22430853) at xdisp.c:12362
#8  0x00000000005dc1dc in internal_condition_case_1 (
    bfun=0x44ad9d <redisplay_window_0>, arg=22430853, handlers=12412566,
    hfun=0x44ad6e <redisplay_window_error>) at eval.c:1453
#9  0x000000000044ad4f in redisplay_windows (window=22430853) at xdisp.c:12342
#10 0x000000000044ad09 in redisplay_windows (window=22430309) at xdisp.c:12336
#11 0x0000000000449e14 in redisplay_internal (preserve_echo_area=0)
    at xdisp.c:11919
#12 0x0000000000447cff in redisplay () at xdisp.c:11139
#13 0x00000000005419ca in read_char (commandflag=1, nmaps=2,
    maps=0x7fffffffdae0, prev_event=12442194, used_mouse_menu=0x7fffffffddb8,
    end_time=0x0) at keyboard.c:2357
#14 0x000000000054f450 in read_key_sequence (keybuf=0x7fffffffde20,
    bufsize=30, prompt=12442194, dont_downcase_last=0,
    can_return_switch_frame=1, fix_current_buffer=1) at keyboard.c:9193
#15 0x000000000053fbae in command_loop_1 () at keyboard.c:1409
#16 0x00000000005dc067 in internal_condition_case (
    bfun=0x53f7f3 <command_loop_1>, handlers=12494210,
    hfun=0x53f0d8 <cmd_error>) at eval.c:1408
#17 0x000000000053f4f4 in command_loop_2 (ignore=12442194) at keyboard.c:1129
#18 0x00000000005dba31 in internal_catch (tag=12490226,
    func=0x53f4ce <command_loop_2>, arg=12442194) at eval.c:1152
#19 0x000000000053f4a7 in command_loop () at keyboard.c:1108
#20 0x000000000053ec0f in recursive_edit_1 () at keyboard.c:731
#21 0x000000000053edc2 in Frecursive_edit () at keyboard.c:793
#22 0x000000000053d0e8 in main (argc=2, argv=0x7fffffffe728) at emacs.c:1684

In GNU Emacs 24.0.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 2.20.1)
 of 2011-03-10 on furball
Windowing system distributor `The X.Org Foundation', version 11.0.10706000
configured using `configure  'CC=gcc' 'CFLAGS=-g''

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