GNU bug report logs -
#45907
Emacs has problems with some GIF files
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Reported by: dick <dick.r.chiang <at> gmail.com>
Date: Fri, 15 Jan 2021 23:18:02 UTC
Severity: normal
Fixed in version 27.2
Done: dick <dick.r.chiang <at> gmail.com>
Bug is archived. No further changes may be made.
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(Fri, 15 Jan 2021 23:18:02 GMT)
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[Message part 1 (text/plain, inline)]
Disclaimer: Avoid running this if you need your machine to be up.
emacs -Q --eval "(eww \"https://github.com/enphysoft/search-gmail-using-message-id\")"
[0001-Avoid-gif89a-explosions.patch (text/x-diff, inline)]
From 7d43e6ed260c7e920b656a21a4876b87b277d81d Mon Sep 17 00:00:00 2001
From: dickmao <none>
Date: Fri, 15 Jan 2021 18:02:44 -0500
Subject: [PATCH] Avoid gif89a explosions
With the increased use of gif89a, my gnus is achieving memory
consumption singularity more frequently.
* lisp/net/shr.el (shr-put-image): When content-type is
application/octet-stream, do not attempt insert-image.
* test/src/xdisp-tests.el (xdisp-tests--window-text-pixel-size,
xdisp-tests--window-text-pixel-size-leading-space,
xdisp-tests--window-text-pixel-size-trailing-space):
`make check` currently fails without conditioning these tests for
graphics display.
---
lisp/net/shr.el | 53 ++++++++++++++++++++------------------
test/src/xdisp-tests.el | 57 ++++++++++++++++++++++-------------------
2 files changed, 58 insertions(+), 52 deletions(-)
diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 9c3740fccc..eb69668f32 100644
--- a/lisp/net/shr.el
+++ b/lisp/net/shr.el
@@ -1109,46 +1109,49 @@ shr-put-image
"Insert image SPEC with a string ALT. Return image.
SPEC is either an image data blob, or a list where the first
element is the data blob and the second element is the content-type."
- (if (display-graphic-p)
+ (let (image)
+ (when (display-graphic-p)
(let* ((size (cdr (assq 'size flags)))
(data (if (consp spec)
(car spec)
spec))
(content-type (and (consp spec)
(cadr spec)))
- (start (point))
- (image (cond
- ((eq size 'original)
- (create-image data nil t :ascent 100
- :format content-type))
- ((eq content-type 'image/svg+xml)
- (when (image-type-available-p 'svg)
- (create-image data 'svg t :ascent 100)))
- ((eq size 'full)
- (ignore-errors
- (shr-rescale-image data content-type
- (plist-get flags :width)
- (plist-get flags :height))))
- (t
- (ignore-errors
- (shr-rescale-image data content-type
- (plist-get flags :width)
- (plist-get flags :height)))))))
+ (start (point)))
+ (setq image
+ (cond
+ ((eq size 'original)
+ (create-image data nil t :ascent 100
+ :format content-type))
+ ((eq content-type 'image/svg+xml)
+ (when (image-type-available-p 'svg)
+ (create-image data 'svg t :ascent 100)))
+ ((eq content-type 'application/octet-stream)
+ nil)
+ ((eq size 'full)
+ (ignore-errors
+ (shr-rescale-image data content-type
+ (plist-get flags :width)
+ (plist-get flags :height))))
+ (t
+ (ignore-errors
+ (shr-rescale-image data content-type
+ (plist-get flags :width)
+ (plist-get flags :height))))))
(when image
;; When inserting big-ish pictures, put them at the
;; beginning of the line.
- (when (and (> (current-column) 0)
+ (when (and (> (current-column) 0)
(> (car (image-size image t)) 400))
(insert "\n"))
(if (eq size 'original)
(insert-sliced-image image (or alt "*") nil 20 1)
(insert-image image (or alt "*")))
- (put-text-property start (point) 'image-size size)
- (when (and shr-image-animate
+ (put-text-property start (point) 'image-size size)
+ (when (and shr-image-animate
(cdr (image-multi-frame-p image)))
- (image-animate image nil 60)))
- image)
- (insert (or alt ""))))
+ (image-animate image nil 60)))))
+ (or image (insert (or alt "")))))
(defun shr--image-type ()
"Emacs image type to use when displaying images.
diff --git a/test/src/xdisp-tests.el b/test/src/xdisp-tests.el
index ec96d777ff..de92d26ef8 100644
--- a/test/src/xdisp-tests.el
+++ b/test/src/xdisp-tests.el
@@ -72,34 +72,37 @@ xdisp-tests--minibuffer-scroll
(should (equal (nth 0 posns) (nth 1 posns)))
(should (equal (nth 1 posns) (nth 2 posns)))))
-(ert-deftest xdisp-tests--window-text-pixel-size () ;; bug#45748
- (with-temp-buffer
- (insert "xxx")
- (let* ((window
- (display-buffer (current-buffer) '(display-buffer-in-child-frame . nil)))
- (char-width (frame-char-width))
- (size (window-text-pixel-size nil t t)))
- (delete-frame (window-frame window))
- (should (equal (/ (car size) char-width) 3)))))
+(when (display-graphic-p)
+ (ert-deftest xdisp-tests--window-text-pixel-size () ;; bug#45748
+ (with-temp-buffer
+ (insert "xxx")
+ (let* ((window
+ (display-buffer (current-buffer) '(display-buffer-in-child-frame . nil)))
+ (char-width (frame-char-width))
+ (size (window-text-pixel-size nil t t)))
+ (delete-frame (window-frame window))
+ (should (equal (/ (car size) char-width) 3))))))
-(ert-deftest xdisp-tests--window-text-pixel-size-leading-space () ;; bug#45748
- (with-temp-buffer
- (insert " xx")
- (let* ((window
- (display-buffer (current-buffer) '(display-buffer-in-child-frame . nil)))
- (char-width (frame-char-width))
- (size (window-text-pixel-size nil t t)))
- (delete-frame (window-frame window))
- (should (equal (/ (car size) char-width) 3)))))
+(when (display-graphic-p)
+ (ert-deftest xdisp-tests--window-text-pixel-size-leading-space () ;; bug#45748
+ (with-temp-buffer
+ (insert " xx")
+ (let* ((window
+ (display-buffer (current-buffer) '(display-buffer-in-child-frame . nil)))
+ (char-width (frame-char-width))
+ (size (window-text-pixel-size nil t t)))
+ (delete-frame (window-frame window))
+ (should (equal (/ (car size) char-width) 3))))))
-(ert-deftest xdisp-tests--window-text-pixel-size-trailing-space () ;; bug#45748
- (with-temp-buffer
- (insert "xx ")
- (let* ((window
- (display-buffer (current-buffer) '(display-buffer-in-child-frame . nil)))
- (char-width (frame-char-width))
- (size (window-text-pixel-size nil t t)))
- (delete-frame (window-frame window))
- (should (equal (/ (car size) char-width) 3)))))
+(when (display-graphic-p)
+ (ert-deftest xdisp-tests--window-text-pixel-size-trailing-space () ;; bug#45748
+ (with-temp-buffer
+ (insert "xx ")
+ (let* ((window
+ (display-buffer (current-buffer) '(display-buffer-in-child-frame . nil)))
+ (char-width (frame-char-width))
+ (size (window-text-pixel-size nil t t)))
+ (delete-frame (window-frame window))
+ (should (equal (/ (car size) char-width) 3))))))
;;; xdisp-tests.el ends here
--
2.26.2
[Message part 3 (text/plain, inline)]
In GNU Emacs 27.1.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
of 2020-12-08 built on dick
Repository revision: 8e7325909363affe27c36d1181b60a625ea04d23
Repository branch: emacs-27
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description: Ubuntu 18.04.4 LTS
Recent messages:
Auto-saving...done
Mark set
Auto-saving...done
Mark saved where search started [2 times]
No ChangeLog data at point
Auto-saving...done
Mark set [2 times]
Saving file /home/dick/emacs/.git/COMMIT_EDITMSG...
Wrote /home/dick/emacs/.git/COMMIT_EDITMSG
Git finished
Configured using:
'configure --prefix=/home/dick/.local --with-rsvg=yes --with-xml2=yes'
Configured features:
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GNUTLS LIBXML2 FREETYPE HARFBUZZ XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE
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/home/dick/.emacs.d/elpa/map-2.1/map hides /home/dick/.local/share/emacs/27.1.50/lisp/emacs-lisp/map
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Information forwarded
to
bug-gnu-emacs <at> gnu.org:
bug#45907; Package
emacs.
(Mon, 18 Jan 2021 10:46:01 GMT)
Full text and
rfc822 format available.
Message #8 received at 45907 <at> debbugs.gnu.org (full text, mbox):
>>>>> On Fri, 15 Jan 2021 18:17:09 -0500, dick <dick.r.chiang <at> gmail.com> said:
Your patch has spurious whitespace changes. Also, your checks for
display-graphic-p are not the right thing to do: the tests need to be
fixed to work, rather than skipped (I think Eli may already have done
this).
Robert
Information forwarded
to
bug-gnu-emacs <at> gnu.org:
bug#45907; Package
emacs.
(Tue, 19 Jan 2021 05:59:02 GMT)
Full text and
rfc822 format available.
Message #11 received at 45907 <at> debbugs.gnu.org (full text, mbox):
dick <dick.r.chiang <at> gmail.com> writes:
> With the increased use of gif89a, my gnus is achieving memory
> consumption singularity more frequently.
>
> * lisp/net/shr.el (shr-put-image): When content-type is
> application/octet-stream, do not attempt insert-image.
This was a slightly confusing bug report and patch, but I think this was
the proposed functional change:
diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 9c3740fccc..c05ac17521 100644
--- a/lisp/net/shr.el
+++ b/lisp/net/shr.el
@@ -1124,6 +1124,8 @@ shr-put-image
((eq content-type 'image/svg+xml)
(when (image-type-available-p 'svg)
(create-image data 'svg t :ascent 100)))
+ ((eq content-type 'application/octet-stream)
+ nil)
((eq size 'full)
(ignore-errors
(shr-rescale-image data content-type
But I don't think that makes much sense: It doesn't really matter what
the content type is. The problem is that Emacs chokes on a particular
GIF file. To reproduce:
curl "https://raw.githubusercontent.com/enphysoft/search-gmail-using-message-id/main/images/lgmid.gif" > /tmp/lgmid.gif
emacs -Q /tmp/lgmid.gif
This initially hangs Emacs, but then it finally is able to display the
file... but Emacs uses 2GB worth of memory and 100% CPU.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
Changed bug title to 'Emacs has problems with some GIF files' from '[PATCH] Shr memory singularity gif89a'
Request was from
Lars Ingebrigtsen <larsi <at> gnus.org>
to
control <at> debbugs.gnu.org.
(Tue, 19 Jan 2021 05:59:02 GMT)
Full text and
rfc822 format available.
Information forwarded
to
bug-gnu-emacs <at> gnu.org:
bug#45907; Package
emacs.
(Tue, 19 Jan 2021 16:54:02 GMT)
Full text and
rfc822 format available.
Message #16 received at 45907 <at> debbugs.gnu.org (full text, mbox):
LI> curl
LI> "https://raw.githubusercontent.com/enphysoft/search-gmail-using-message-id/main/images/lgmid.gif"
LI> > /tmp/lgmid.gif emacs -Q /tmp/lgmid.gif
This does not reproduce the error because it doesn't hit `shr-put-image` nor
`insert-image`. The error that I saw was memory being consumed *without limit*.
Information forwarded
to
bug-gnu-emacs <at> gnu.org:
bug#45907; Package
emacs.
(Tue, 19 Jan 2021 17:48:02 GMT)
Full text and
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Message #19 received at 45907 <at> debbugs.gnu.org (full text, mbox):
dick <dick.r.chiang <at> gmail.com> writes:
> LI> curl
> LI> "https://raw.githubusercontent.com/enphysoft/search-gmail-using-message-id/main/images/lgmid.gif"
> LI> > /tmp/lgmid.gif emacs -Q /tmp/lgmid.gif
>
> This does not reproduce the error because it doesn't hit `shr-put-image` nor
> `insert-image`. The error that I saw was memory being consumed *without limit*.
You didn't really say what you were seeing.
When doing the test case, I see Emacs grow to 2.6GB, and there it stops,
which is the same I see when doing
./src/emacs -Q -f eww-browse file:///tmp/lgmid.gif
In both cases, my Emacs says that it's stopping the animation because
it's too big (in both Emacs 27 and on the trunk).
In any case, whether the Content-Type is image/* or application/* makes
no difference, of course.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
Removed tag(s) patch.
Request was from
Lars Ingebrigtsen <larsi <at> gnus.org>
to
control <at> debbugs.gnu.org.
(Tue, 19 Jan 2021 17:51:01 GMT)
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Information forwarded
to
bug-gnu-emacs <at> gnu.org:
bug#45907; Package
emacs.
(Tue, 19 Jan 2021 23:28:02 GMT)
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Message #24 received at 45907 <at> debbugs.gnu.org (full text, mbox):
Ah, my emacs was with-imagemagick, and therein lay the singularity. I confirm
the behavior you see without with-imagemagick. Closing.
bug marked as fixed in version 27.2, send any further explanations to
45907 <at> debbugs.gnu.org and dick <dick.r.chiang <at> gmail.com>
Request was from
dick <dick.r.chiang <at> gmail.com>
to
control <at> debbugs.gnu.org.
(Tue, 19 Jan 2021 23:29:01 GMT)
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bug archived.
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Debbugs Internal Request <help-debbugs <at> gnu.org>
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internal_control <at> debbugs.gnu.org.
(Wed, 17 Feb 2021 12:24:05 GMT)
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This bug report was last modified 3 years and 60 days ago.
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