GNU bug report logs -
#76997
31.0.50; Freplace_buffer_contents
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Reported by: nat chapman <nat.chapman <at> proton.me>
Date: Thu, 13 Mar 2025 16:28:02 UTC
Severity: normal
Found in version 31.0.50
Done: Eli Zaretskii <eliz <at> gnu.org>
Bug is archived. No further changes may be made.
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Your message dated Fri, 14 Mar 2025 09:13:45 +0200
with message-id <8634fg13va.fsf <at> gnu.org>
and subject line Re: bug#76997: 31.0.50; Freplace_buffer_contents
has caused the debbugs.gnu.org bug report #76997,
regarding 31.0.50; Freplace_buffer_contents
to be marked as done.
(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)
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76997: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=76997
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Contact help-debbugs <at> gnu.org with problems
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under certain circumstances, Freplace_buffer_contents seems to introduce
gibberish into the buffer. i noticed it in org-mode and followed it to
Freplace_buffer_contents with debug, then confirmed with git bisect that
commit 40d8650d517 introduced the problem.
emacs -Q
C-x b test RET
M-x org-mode RET
#+begin_src emacs-lisp
(+ 1 2|)
#+end_src
with point at |, two or three RET begins introducing garbage into the
buffer. sometimes this crashes emacs, but i think that's to do with the
garbage getting read. this copy of emacs was built without x to make the
bisect faster, but i can reproduce it in my normal build of master with
pgtk as well. in my initial testing i saw various different characters,
but in this test build it's consistently ^@. not sure if that is helpful
information, since the initial testing had different CFLAGS.
emacs -Q --eval "(funcall (kmacro \"C-x b t e s t RET M-x o r g - m o \
d e RET # + b e g i n _ s r c SPC e m a c s - l i s p RET # + e n d _ \
s r c C-p C-e RET ( + SPC 1 SPC 2 ) C-b RET RET RET RET RET RET RET \RET RET\"))"
In GNU Emacs 31.0.50 (build 1, x86_64-pc-linux-gnu) of 2025-03-13 built
on hmslydia
Repository revision: f9d805cef3ef9a9818ef09e77c4379d23c2afb55
Repository branch: makepkg
System Description: Arch Linux
Configured using:
'configure -C --sysconfdir=/etc --prefix=/usr --libexecdir=/usr/lib
--localstatedir=/var --without-all --without-x
--with-native-compilation=no 'CFLAGS=-march=x86-64 -mtune=generic -O2
-pipe -fno-plt -fexceptions -Wp,-D_FORTIFY_SOURCE=3 -Wformat
-Werror=format-security -fstack-clash-protection -fcf-protection
-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -flto=auto'
'LDFLAGS=-Wl,-O1 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro
-Wl,-z,now -Wl,-z,pack-relative-relocs -flto=auto'
'CXXFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fno-plt -fexceptions
-Wp,-D_FORTIFY_SOURCE=3 -Wformat -Werror=format-security
-fstack-clash-protection -fcf-protection -fno-omit-frame-pointer
-mno-omit-leaf-frame-pointer -Wp,-D_GLIBCXX_ASSERTIONS -flto=auto''
Configured features:
GMP PDUMPER SECCOMP XIM
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Fundamental
Minor modes in effect:
xterm-mouse-mode: t
tooltip-mode: t
global-eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
minibuffer-regexp-mode: t
line-number-mode: t
indent-tabs-mode: t
transient-mark-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
Load-path shadows:
None found.
Features:
(shadow regexp-opt sort mail-extr emacsbug lisp-mnt message mailcap
yank-media puny dired dnd dired-loaddefs rfc822 mml mml-sec
password-cache epa derived epg rfc6068 epg-config gnus-util
text-property-search mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils image time-date subr-x cl-loaddefs cl-lib
xt-mouse term/xterm xterm byte-opt gv bytecomp byte-compile rmc
iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook
vc-hooks lisp-float-type elisp-mode tabulated-list replace newcomment
text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow
isearch easymenu timer select mouse jit-lock font-lock syntax font-core
term/tty-colors frame minibuffer nadvice seq simple cl-generic
indonesian philippine cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
theme-loaddefs faces cus-face macroexp files window text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote multi-tty make-network-process
tty-child-frames emacs)
Memory information:
((conses 16 53189 9736) (symbols 48 6222 0) (strings 32 15038 1609)
(string-bytes 1 377042) (vectors 16 7809) (vector-slots 8 69139 5730)
(floats 8 43 29) (intervals 56 376 0) (buffers 984 12))
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> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: nat chapman <nat.chapman <at> proton.me>, 76997 <at> debbugs.gnu.org
> Date: Thu, 13 Mar 2025 16:54:27 -0400
>
> >> under certain circumstances, Freplace_buffer_contents seems to introduce
> >> gibberish into the buffer. i noticed it in org-mode and followed it to
> >> Freplace_buffer_contents with debug, then confirmed with git bisect that
> >> commit 40d8650d517 introduced the problem.
> > Thanks, should be fixed now.
> > Stefan, would you please eyeball the fix?
>
> Duh! Can't believe I missed that.
> Thanks for the fix, looks good.
Thanks, I'm therefore closing the bug.
This bug report was last modified 105 days ago.
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