GNU bug report logs - #8334
Segmentation fault in mark_object (in my patched version)

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Lennart Borgman <lennart.borgman <at> gmail.com>
Subject: bug#8334: closed (Re: bug#8334: Segmentation fault in mark_object
 (in my patched version))
Date: Tue, 27 Mar 2012 23:14:03 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#8334: Segmentation fault in mark_object (in my patched version)

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 8334 <at> debbugs.gnu.org.

-- 
8334: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8334
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Glenn Morris <rgm <at> gnu.org>
To: 8334-done <at> debbugs.gnu.org
Subject: Re: bug#8334: Segmentation fault in mark_object (in my patched
	version)
Date: Tue, 27 Mar 2012 18:42:00 -0400

tags 8334 wontfix
stop

Chong Yidong wrote:

> No test case supplied; bug occurs on a tree with unspecified
> modifications.  Tagging as unreproducible.

Nothing changed in the past year; closing since nothing can be done.

[Message part 3 (message/rfc822, inline)]

From: Lennart Borgman <lennart.borgman <at> gmail.com>
To: Emacs Bugs <bug-gnu-emacs <at> gnu.org>
Subject: Segmentation fault in mark_object (in my patched version)
Date: Thu, 24 Mar 2011 01:07:19 +0100

I just got a segmentation fault in mark_object. This was with my
patched version:

  This Emacs was built from sources in bazaar identified as:

  Nick 'trunk' info:
  revision id: yamaoka <at> jpl.org-20110216231247-r8dr95j65ud08bqz
        revno: 103306
         date: 2011-02-16 23:12:47 +0000

  Nick 'emacsw32' (from 'trunk') info:
  revision id: lennart.borgman <at> gmail.com-20110216233741-bbne2i1djpaccnv1
        revno: 99348
         date: 2011-02-17 00:37:41 +0100

Program received signal SIGSEGV, Segmentation fault.
0x01028778 in mark_object (arg=6637606) at alloc.c:5531
warning: Source file is more recent than executable.
5531            if (EQ (ptr->u.cdr, Qnil))
(gdb) bt
#0  0x01028778 in mark_object (arg=6637606) at alloc.c:5531
#1  0x0102880d in mark_object (arg=301623766) at alloc.c:5542
#2  0x0102853e in mark_object (arg=297533442) at alloc.c:5435
#3  0x0102678d in mark_maybe_pointer (p=0x11bc0000) at alloc.c:4089
#4  0x01026520 in mark_memory (start=0x82cae8, end=0x82ff30, offset=0)
    at alloc.c:4139
#5  0x01026da2 in mark_stack () at alloc.c:4385
#6  0x01027a3c in Fgarbage_collect () at alloc.c:4967
#7  0x01020968 in Feval (form=301887150) at eval.c:2143
#8  0x01021081 in Feval (form=270381486) at eval.c:2312
#9  0x0101dcc9 in Fprogn (args=270381710) at eval.c:343
#10 0x01020aff in Feval (form=270381478) at eval.c:2198
#11 0x0101dbf6 in Fif (args=270381470) at eval.c:293
#12 0x01020aff in Feval (form=270381446) at eval.c:2198
#13 0x0101dcc9 in Fprogn (args=301886974) at eval.c:343
#14 0x01020aff in Feval (form=301886998) at eval.c:2198
#15 0x0101dbf6 in Fif (args=301887014) at eval.c:293
#16 0x01020aff in Feval (form=301887022) at eval.c:2198
#17 0x01021081 in Feval (form=270381126) at eval.c:2312
#18 0x0101dcc9 in Fprogn (args=270458606) at eval.c:343
#19 0x0101eeb2 in Flet (args=270381118) at eval.c:1000
#20 0x01020aff in Feval (form=270383022) at eval.c:2198
#21 0x0101dcc9 in Fprogn (args=301889606) at eval.c:343
#22 0x010224d9 in funcall_lambda (fun=301889630, nargs=1, arg_vector=0x82d78c)
    at eval.c:3021
#23 0x01022004 in Ffuncall (nargs=2, args=0x82d788) at eval.c:2902
#24 0x0102186a in call1 (fn=301889630, arg1=49847742) at eval.c:2643
#25 0x0103ad9f in mapcar1 (leni=30, vals=0x0, fn=301889630, seq=301774390)
    at fns.c:2344
#26 0x0103b145 in Fmapc (function=301889630, sequence=301774390) at fns.c:2433
#27 0x01020dc4 in Feval (form=270382958) at eval.c:2254
#28 0x0101dcc9 in Fprogn (args=301772870) at eval.c:343
#29 0x0101ef8c in Fwhile (args=301772886) at eval.c:1022
#30 0x01020aff in Feval (form=301772894) at eval.c:2198
#31 0x0101dcc9 in Fprogn (args=301772902) at eval.c:343
#32 0x0101eeb2 in Flet (args=301772910) at eval.c:1000
#33 0x01020aff in Feval (form=301772918) at eval.c:2198
#34 0x0101dcc9 in Fprogn (args=301772950) at eval.c:343
#35 0x0101f22a in internal_catch (tag=271267586, func=0x101dca0 <Fprogn>,
    arg=301772950) at eval.c:1152
#36 0x0101f195 in Fcatch (args=301772982) at eval.c:1123
#37 0x01020aff in Feval (form=301772990) at eval.c:2198
#38 0x01020d17 in Feval (form=301773006) at eval.c:2236
#39 0x01021081 in Feval (form=301772942) at eval.c:2312
#40 0x01021081 in Feval (form=270382894) at eval.c:2312
#41 0x0101dcc9 in Fprogn (args=301774582) at eval.c:343
#42 0x0101ef8c in Fwhile (args=301774598) at eval.c:1022
#43 0x01020aff in Feval (form=301774606) at eval.c:2198
#44 0x0101dcc9 in Fprogn (args=301774614) at eval.c:343
#45 0x0101eeb2 in Flet (args=301774622) at eval.c:1000
#46 0x01020aff in Feval (form=301774630) at eval.c:2198
#47 0x0101dcc9 in Fprogn (args=301774662) at eval.c:343
#48 0x0101f22a in internal_catch (tag=271267586, func=0x101dca0 <Fprogn>,
    arg=301774662) at eval.c:1152
#49 0x0101f195 in Fcatch (args=301774694) at eval.c:1123
#50 0x01020aff in Feval (form=301774702) at eval.c:2198
#51 0x01020d17 in Feval (form=301774718) at eval.c:2236
#52 0x01021081 in Feval (form=301774654) at eval.c:2312
#53 0x01021081 in Feval (form=270382822) at eval.c:2312
#54 0x0101dcc9 in Fprogn (args=270458654) at eval.c:343
#55 0x0101eeb2 in Flet (args=270382758) at eval.c:1000
#56 0x01020aff in Feval (form=270382574) at eval.c:2198
#57 0x0101dcc9 in Fprogn (args=270458662) at eval.c:343
#58 0x01020aff in Feval (form=270382566) at eval.c:2198
#59 0x0101dcc9 in Fprogn (args=270458670) at eval.c:343
#60 0x010224d9 in funcall_lambda (fun=270458678, nargs=1, arg_vector=0x82ef10)
    at eval.c:3021
#61 0x010221ef in apply_lambda (fun=270458678, args=270458854, eval_flag=1)
    at eval.c:2954
#62 0x010210ab in Feval (form=270458838) at eval.c:2314
#63 0x0101dcc9 in Fprogn (args=270458846) at eval.c:343
#64 0x0101dc16 in Fif (args=270458766) at eval.c:294
#65 0x01020aff in Feval (form=270458758) at eval.c:2198
#66 0x0101dcc9 in Fprogn (args=270456958) at eval.c:343
#67 0x010224d9 in funcall_lambda (fun=270456966, nargs=1, arg_vector=0x82f2e0)
    at eval.c:3021
#68 0x010221ef in apply_lambda (fun=270456966, args=270457342, eval_flag=1)
    at eval.c:2954
#69 0x010210ab in Feval (form=270457334) at eval.c:2314
#70 0x0101dcc9 in Fprogn (args=270457350) at eval.c:343
#71 0x0101eeb2 in Flet (args=270457262) at eval.c:1000
#72 0x01020aff in Feval (form=270457190) at eval.c:2198
#73 0x0101f62f in internal_lisp_condition_case (var=49818274,
    bodyform=270457190, handlers=270457422) at eval.c:1355
#74 0x0101f451 in Fcondition_case (args=270457182) at eval.c:1297
#75 0x01020aff in Feval (form=270457174) at eval.c:2198
#76 0x0101dcc9 in Fprogn (args=270457430) at eval.c:343
#77 0x010224d9 in funcall_lambda (fun=270457438, nargs=0, arg_vector=0x82fa18)
    at eval.c:3021
#78 0x01022004 in Ffuncall (nargs=1, args=0x82fa14) at eval.c:2902
#79 0x01021738 in run_hook_with_args (nargs=1, args=0x82fa14,
    cond=to_completion) at eval.c:2573
#80 0x010214fb in Frun_hooks (nargs=1, args=0x82facc) at eval.c:2443
#81 0x01021c62 in Ffuncall (nargs=2, args=0x82fac8) at eval.c:2824
#82 0x0102186a in call1 (fn=49400410, arg1=49289770) at eval.c:2643
#83 0x01005c76 in safe_run_hooks_1 () at keyboard.c:1822
#84 0x0101f739 in internal_condition_case (bfun=0x1005c43 <safe_run_hooks_1>,
    handlers=49244210, hfun=0x1005c7e <safe_run_hooks_error>) at eval.c:1408
#85 0x01005d16 in safe_run_hooks (hook=49289770) at keyboard.c:1848
#86 0x01004ff2 in command_loop_1 () at keyboard.c:1545
#87 0x0101f739 in internal_condition_case (bfun=0x10048d9 <command_loop_1>,
    handlers=49297818, hfun=0x10042ce <cmd_error>) at eval.c:1408
#88 0x0100463e in command_loop_2 (ignore=49244186) at keyboard.c:1129
#89 0x0101f22a in internal_catch (tag=49295914,
    func=0x100461b <command_loop_2>, arg=49244186) at eval.c:1152
#90 0x010045f6 in command_loop () at keyboard.c:1108
#91 0x01003eea in recursive_edit_1 () at keyboard.c:731
#92 0x0100404e in Frecursive_edit () at keyboard.c:793
#93 0x01002767 in main (argc=1, argv=0xb23d08) at emacs.c:1684

Lisp Backtrace:
"when" (0x82ce00)
"progn" (0x82cf50)
"if" (0x82d0a0)
"progn" (0x82d1f0)
"if" (0x82d340)
"when" (0x82d450)
"let" (0x82d640)
0x11fe7858 Lisp type 6
"mapc" (0x82d8c0)
"while" (0x82db00)
"let" (0x82dcf0)
"catch" (0x82df00)
"cl-block-wrapper" (0x82e010)
"block" (0x82e120)
"dolist" (0x82e230)
"while" (0x82e3e0)
"let" (0x82e5d0)
"catch" (0x82e7e0)
"cl-block-wrapper" (0x82e8f0)
"block" (0x82ea00)
"dolist" (0x82eb10)
"let" (0x82ed10)
"progn" (0x82ee60)
"menuacc-add-accel-1" (0x82ef10)
"if" (0x82f230)
"menuacc-add-accel" (0x82f2e0)
"let" (0x82f660)
"condition-case" (0x82f860)
"menuacc-add-accel-from-post-command-hook" (0x82fa18)
"run-hooks" (0x82facc)
(gdb)

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