address@hidden: Re: Crash when having malformed PBM image on screen and viewing *Messages* buffer (on Windows)]

[Richard Stallman]

[I sent this message month ago but did not get a response.]

Would someone please investigate this, then ack?

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Date: Sat, 16 Jun 2007 02:20:10 +0200
From: "Juanma Barranquero" <address@hidden>
To: "Michael Schierl" <address@hidden>
In-Reply-To: <address@hidden>
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Cc: address@hidden
Subject: Re: Crash when having malformed PBM image on screen and viewing
        *Messages* buffer (on Windows)

On 6/15/07, Michael Schierl <address@hidden> wrote:

> Sorry, this should have been xpm (and not xbm and not pbm in the
> subject). And also in the bug report below it should be :type xpm,
> although it crashes with :type pbm as well.

It's perfectly reproducible, yes.

It is aborting in temp_set_point_both, in the "charpos > BUF_ZV
(buffer)" comparison. In test runs, I get charpos == 316, BUF_ZV
(buffer) = 293.

Time for someone versed in redisplay.

#0  0x7c911231 in _end__ ()
#1  0x01135627 in w32_abort () at w32fns.c:9087
#2  0x01119ed7 in temp_set_point_both (buffer=0x16c1200, charpos=350,
    bytepos=350) at intervals.c:1954
#3  0x0102a503 in redisplay_window (window=24978436, just_this_one_p=0)
    at xdisp.c:13523
#4  0x0102c924 in redisplay_window_0 (window=24978436) at xdisp.c:11790
#5  0x0100a0b4 in internal_condition_case_1 (
    bfun=0x102c8fa <redisplay_window_0>, arg=24978436, handlers=23807125,
    hfun=0x101f526 <redisplay_window_error>) at eval.c:1529
#6  0x0101f308 in redisplay_windows (window=2089944429) at xdisp.c:11769
#7  0x0101f2c9 in redisplay_windows (window=2089944429) at xdisp.c:11763
#8  0x0102e417 in redisplay_internal (preserve_echo_area=6) at xdisp.c:11329
#9  0x010596b9 in read_char (commandflag=1, nmaps=3, maps=0x82fb40,
    prev_event=23824385, used_mouse_menu=0x82fb88, end_time=0x0)
    at keyboard.c:2670
#10 0x0105ae41 in read_key_sequence (keybuf=0x82fcb0, bufsize=30,
    prompt=23824385, dont_downcase_last=0, can_return_switch_frame=1,
    fix_current_buffer=1) at keyboard.c:9218
#11 0x0105c617 in command_loop_1 () at keyboard.c:1618
#12 0x0100a347 in internal_condition_case (bfun=0x105c486 <command_loop_1>,
    handlers=23892617, hfun=0x105645e <cmd_error>) at eval.c:1481
#13 0x01050656 in command_loop_2 () at keyboard.c:1329
#14 0x0100a27c in internal_catch (tag=23882753,
    func=0x1050633 <command_loop_2>, arg=23824385) at eval.c:1222
#15 0x010504a3 in command_loop () at keyboard.c:1308
#16 0x01050537 in recursive_edit_1 () at keyboard.c:1006
#17 0x0105061c in Frecursive_edit () at keyboard.c:1067
#18 0x01002a2b in main (argc=2, argv=0xf826a8) at emacs.c:1768
#19 0x01001247 in __mingw_CRTStartup ()
#20 0x01001298 in mainCRTStartup ()
#21 0x7c816fd7 in _end__ ()

             Juanma


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