[debbugs-tracker] bug#25203: closed (25.1; crash during message, infinite recursion)

[GNU bug Tracking System]

Your message dated Fri, 16 Dec 2016 12:48:05 +0200
with message-id <address@hidden>
and subject line Re: bug#25203: 25.1; crash during message, infinite recursion
has caused the debbugs.gnu.org bug report #25203,
regarding 25.1; crash during message, infinite recursion
to be marked as done.

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-- 
25203: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=25203
GNU Bug Tracking System
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> --- Begin Message ---
>
>
>
> Subject: 
>
> 25.1; crash during message, infinite recursion
>
>
>
>
> Date: 
>
> Thu, 15 Dec 2016 00:04:53 +0000
>
>
>
>
> emacs -Q -batch -l cjk-enc.el -f batch-force-cjk-write-file Big5.tex
>
> where cjk-enc.el is a slight enhancement of
> "cjk/utils/lisp/emacs/cjk-enc.el" from http://cjk.ffii.org , with
>
> diff --git a/emacs/cjk-enc.el b/emacs/cjk-enc.el
> index c8e6706..096ade7 100644
> --- a/emacs/cjk-enc.el
> +++ b/emacs/cjk-enc.el
> @@ -881,7 +881,8 @@
>                (setq last-pos (point))
>                (message "Converting: %2d%%"
>                         (/ (* 100 (point)) (point-max)))))
> -
> +        (message "temp-buf is %s..." (buffer-name temp-buf))
> +        (message "work-buf is %s..." (buffer-name work-buf))
>          ;; Advance to the next character and loop.
>          (forward-char 1))
>  
>
> and Big5.tex is cjk/examples/Big5.tex
>
>
>
> (gdb) bt
> #0  0x00007f6ecfe1e48f in raise (sig=<optimized out>) at 
> ../sysdeps/unix/sysv/linux/raise.c:58
> #1  0x00000000004f1174 in terminate_due_to_signal ()
> #2  0x000000000050945e in  ()
> #3  0x0000000000509689 in  ()
> #4  0x00000000005096ef in handle_sigsegv ()
> #5  0x00007f6ecfe1e5c0 in <signal handler called> () at /lib64/libpthread.so.0
> #6  0x000000000048c2d5 in consume_chars ()
> #7  0x0000000000495fe9 in encode_coding ()
> #8  0x000000000049c775 in encode_coding_object ()
> #9  0x000000000049d7c8 in code_convert_string ()
> #10 0x0000000000431ad5 in message_to_stderr ()
> #11 0x000000000045657c in message3 ()
> #12 0x000000000055ee5c in Fmessage ()
> #13 0x00000000005651e0 in eval_sub ()
> #14 0x00000000005681cd in Flet ()
> #15 0x0000000000565014 in eval_sub ()
> #16 0x00000000005682fd in Fwhile ()
> #17 0x0000000000565014 in eval_sub ()
> #18 0x00000000005681cd in Flet ()
> #19 0x0000000000565014 in eval_sub ()
> #20 0x00000000005681cd in Flet ()
> #21 0x0000000000565014 in eval_sub ()
> #22 0x00000000005657bd in funcall_lambda ()
> #23 0x0000000000565a4b in Ffuncall ()
> #24 0x0000000000564516 in internal_condition_case_n ()
> #25 0x000000000042efc8 in safe.call ()
> #26 0x000000000043b97c in safe_call ()
> #27 0x000000000049c27e in encode_coding_object ()
> ---Type <return> to continue, or q <return> to quit---
> #28 0x000000000049d7c8 in code_convert_string ()
> #29 0x0000000000431ad5 in message_to_stderr ()
> #30 0x000000000045657c in message3 ()
> ...
> repeats at a cycle of 19
> ...
> #923 0x000000000045657c in message3 ()
> ---Type <return> to continue, or q <return> to quit---
> #924 0x000000000055ee5c in Fmessage ()
> #925 0x00000000005651e0 in eval_sub ()
> #926 0x00000000005681cd in Flet ()
> #927 0x0000000000565014 in eval_sub ()
> #928 0x00000000005682fd in Fwhile ()
> #929 0x0000000000565014 in eval_sub ()
> #930 0x00000000005681cd in Flet ()
> #931 0x0000000000565014 in eval_sub ()
> #932 0x00000000005681cd in Flet ()
> #933 0x0000000000565014 in eval_sub ()
> #934 0x00000000005657bd in funcall_lambda ()
> #935 0x0000000000565a4b in Ffuncall ()
> #936 0x0000000000564516 in internal_condition_case_n ()
> #937 0x000000000042efc8 in safe.call ()
> #938 0x000000000043b97c in safe_call ()
> #939 0x000000000049c27e in encode_coding_object ()
> #940 0x00000000005205fa in e_write ()
> #941 0x000000000052766b in write_region ()
> #942 0x00000000005283ef in Fwrite_region ()
> #943 0x000000000056503d in eval_sub ()
> #944 0x00000000005681cd in Flet ()
> #945 0x0000000000565014 in eval_sub ()
> #946 0x000000000056535d in Fprogn ()
> #947 0x000000000055efc7 in Fsave_excursion ()
> #948 0x0000000000565014 in eval_sub ()
> #949 0x00000000005681cd in Flet ()
> #950 0x0000000000565014 in eval_sub ()
> #951 0x00000000005657bd in funcall_lambda ()
> ---Type <return> to continue, or q <return> to quit---
> #952 0x0000000000564ac8 in apply_lambda ()
> #953 0x0000000000564e2a in eval_sub ()
> #954 0x0000000000565014 in eval_sub ()
> #955 0x00000000005653a5 in Fif ()
> #956 0x0000000000565014 in eval_sub ()
> #957 0x00000000005653a5 in Fif ()
> #958 0x0000000000565014 in eval_sub ()
> #959 0x00000000005681cd in Flet ()
> #960 0x0000000000565014 in eval_sub ()
> #961 0x00000000005682fd in Fwhile ()
> #962 0x0000000000565014 in eval_sub ()
> #963 0x00000000005657bd in funcall_lambda ()
> #964 0x0000000000564ac8 in apply_lambda ()
> #965 0x0000000000564e2a in eval_sub ()
> #966 0x00000000005657bd in funcall_lambda ()
> #967 0x0000000000565a4b in Ffuncall ()
> #968 0x000000000059ad23 in exec_byte_code ()
> #969 0x0000000000565a4b in Ffuncall ()
> #970 0x000000000059ad23 in exec_byte_code ()
> #971 0x0000000000565a4b in Ffuncall ()
> #972 0x000000000059ad23 in exec_byte_code ()
> #973 0x0000000000564ac8 in apply_lambda ()
> #974 0x0000000000564e2a in eval_sub ()
> #975 0x00000000005686fc in Feval ()
> #976 0x0000000000564362 in internal_condition_case ()
> #977 0x00000000004f3d70 in top_level_1 ()
> #978 0x0000000000564303 in internal_catch ()
> #979 0x00000000004f15bd in command_loop ()
> ---Type <return> to continue, or q <return> to quit---
> #980 0x00000000004f5dd7 in recursive_edit_1 ()
> #981 0x00000000004f6128 in Frecursive_edit ()
> #982 0x0000000000419d52 in main ()
>
> In GNU Emacs 25.1.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.22.1)
>  of 2016-10-12 built on buildvm-18.phx2.fedoraproject.org
> Windowing system distributor 'Fedora Project', version 11.0.11900000
> System Description:     Fedora release 25 (Twenty Five)
>
> Configured using:
>  'configure --build=x86_64-redhat-linux-gnu
>  --host=x86_64-redhat-linux-gnu --program-prefix=
>  --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr
>  --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
>  --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64
>  --libexecdir=/usr/libexec --localstatedir=/var
>  --sharedstatedir=/var/lib --mandir=/usr/share/man
>  --infodir=/usr/share/info --with-dbus --with-gif --with-jpeg --with-png
>  --with-rsvg --with-tiff --with-xft --with-xpm --with-x-toolkit=gtk3
>  --with-gpm=no --with-xwidgets build_alias=x86_64-redhat-linux-gnu
>  host_alias=x86_64-redhat-linux-gnu 'CFLAGS=-DMAIL_USE_LOCKF -O2 -g
>  -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2
>  -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4
>  -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
>  -m64 -mtune=generic' LDFLAGS=-Wl,-z,relro
>  PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig'
>
> Configured features:
> XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GCONF GSETTINGS NOTIFY
> ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
> TOOLKIT_SCROLL_BARS GTK3 X11 XWIDGETS
>
> Important settings:
>   value of $LANG: C
>   locale-coding-system: nil
>
> Major mode: Fundamental
>
> Minor modes in effect:
>   shell-dirtrack-mode: t
>   tooltip-mode: t
>   global-eldoc-mode: t
>   electric-indent-mode: t
>   mouse-wheel-mode: t
>   tool-bar-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   blink-cursor-mode: t
>   auto-composition-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   buffer-read-only: t
>   line-number-mode: t
>   transient-mark-mode: t
>
> Recent messages:
> Loading /usr/share/emacs/site-lisp/site-start.d/ess-init.el (source)...
> Finding all versions of R on your system...
> Sorry, no version of R could be found on your system.
> Loading /usr/share/emacs/site-lisp/site-start.d/ess-init.el (source)...done
> Loading /usr/share/emacs/site-lisp/site-start.d/git-init.el (source)...done
> Loading /usr/share/emacs/site-lisp/site-start.d/lilypond-init.el (source)...done
> Loading /usr/share/emacs/site-lisp/site-start.d/mercurial-site-start.el 
> (source)...done
> Loading /usr/share/emacs/site-lisp/site-start.d/rpmdev-init.el (source)...done
> Loading /usr/share/emacs/site-lisp/site-start.d/systemtap-init.el 
> (source)...done
> For information about GNU Emacs and the GNU system, type C-h C-a.
>
> Load-path shadows:
> /usr/share/emacs/site-lisp/lilypond-init hides 
> /usr/share/emacs/site-lisp/site-start.d/lilypond-init
>
> Features:
> (shadow sort mail-extr emacsbug message idna dired rfc822 mml mml-sec
> epg epg-config mm-decode mm-bodies mm-encode mail-parse rfc2231
> mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
> mail-utils ido seq ess-toolbar ess-mouse mouseme thingatpt browse-url
> ess-menu ess-swv ess-noweb ess-noweb-font-lock-mode ess-bugs-l essd-els
> ess-sas-d ess-sas-l ess-sas-a ess-sta-d ess-sta-l cc-vars cc-defs
> make-regexp ess-sp6-d ess-dde ess-sp3-d ess-julia julia-mode ert pp
> find-func ewoc debug ess-r-d ess-r-syntax ess-r-completion ess-roxy
> essddr hideshow ess-help ess-r-package ess-s-l ess ess-inf ess-tracebug
> compile tramp tramp-compat auth-source cl-seq eieio byte-opt bytecomp
> byte-compile cl-extra cconv eieio-core gnus-util mm-util help-fns
> help-mode mail-prsvr password-cache tramp-loaddefs cl-macs trampver
> ucs-normalize shell pcomplete comint ansi-color ring format-spec advice
> ess-mode ess-noweb-mode ess-utils ess-generics cl gv cl-loaddefs pcase
> cl-lib ess-custom executable easymenu ess-compat ess-site time-date
> mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks
> lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd fontset
> image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode
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> european ethiopic indian cyrillic chinese charscript case-table epa-hook
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> hashtable-print-readable backquote dbusbind inotify dynamic-setting
> system-font-setting font-render-setting xwidget-internal move-toolbar
> gtk x-toolkit x multi-tty make-network-process emacs)
>
> Memory information:
> ((conses 16 260299 10067)
>  (symbols 48 27442 0)
>  (miscs 40 105 141)
>  (strings 32 40868 7895)
>  (string-bytes 1 1149641)
>  (vectors 16 41418)
>  (vector-slots 8 760116 3898)
>  (floats 8 296 105)
>  (intervals 56 326 108)
>  (buffers 976 19))
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#25203: 25.1; crash during message, infinite recursion
>
>
>
>
> Date: 
>
> Fri, 16 Dec 2016 12:48:05 +0200
>
>
>
>
> > Date: Fri, 16 Dec 2016 10:08:55 +0100 (CET)
> > Cc: address@hidden, address@hidden,
> >  address@hidden
> > From: Werner LEMBERG <address@hidden>
> > 
> > >> > In fact, any I/O that might require encoding should be completely
> > >> > avoided in pre-write-conversion.
> > >> 
> > >> Is this documented?  If yes, I've missed it.
> > > 
> > > Frankly, it should be obvious: you are recursively invoking the same
> > > operation that is being processed by the calling function.
> > 
> > Well, `cjk-coding' worked flawlessly for years.
>
> The problem was triggered by adding the 2 'message' calls, after the
> point where coding-system-for-write was bound to this coding-system.
> Without those 'message' calls, cjk-coding indeed should still work
> flawlessly.
>
> > > Any reasons not to close this bug report, now that all of its
> > > aspects have been addressed?
> > 
> > Yes, please do.
>
> Done.
>
>
> --- End Message ---