Several thumbnail sizes of SVG with large gradientTransform fail
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	Akoopal
	Jan 25 2019, 10:48 PM

Description

I was pointed out to the following broken thumbnail: https://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/Zevenhuizen_Moerkapelle_wapen.svg/375px-Zevenhuizen_Moerkapelle_wapen.svg.png

The commons image page is: https://commons.wikimedia.org/wiki/File:Zevenhuizen_Moerkapelle_wapen.svg

As you can see (hopefully) is that the thumbnail is not completely generated, only the bottom part. Not sure if this is a one off, or a more general problem.

Upstream issue: https://gitlab.gnome.org/GNOME/librsvg/-/issues/683 https://gitlab.gnome.org/GNOME/librsvg/-/issues/720

file	librsvg2.44 (no rendering)	firefox rendering
https://commons.wikimedia.org/wiki/File:T214738.svg

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Status	Assigned	Task
Stalled	None	T214738 Several thumbnail sizes of SVG with large gradientTransform fail
Open	None	T40010 RFC: Re-evaluate librsvg as SVG renderer on Wikimedia wikis
Duplicate	None	T56030 Support PhantomJS as an SVG rasterizer/renderer option

Event Timeline

Akoopal created this task.Jan 25 2019, 10:48 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJan 25 2019, 10:48 PM

Reedy added a project: Wikimedia-SVG-rendering.Jan 25 2019, 10:50 PM

Aklapper renamed this task from image corruption to Several PNG thumbnail sizes of a specific SVG image do not display correctly.Jan 26 2019, 1:36 PM

Aklapper added a project: Thumbor.

Seems like this happens only for some sizes. Probably a librsvg bug.

jijiki added a parent task: T193352: Update librsvg to ≥2.42.3 (2.44.10).Feb 26 2019, 12:53 PM

Cannot reproduce locally with rsvg-convert -h 375 -f png -o Zevenhuizen_Moerkapelle_wapen.png Zevenhuizen_Moerkapelle_wapen.svg but I'm already on librsvg2-2.44.13-1.fc29.x86_64 (plus I guess we don't use rsvg-convert for this job).

We do use rsvg-convert, Stretch is on libsrvg 2.40.16-1. This is very likely to be something that would be fixed by a librsvg upgrade.

Aklapper added a project: Upstream.Mar 10 2019, 7:14 PM

Aklapper moved this task from Backlog to Patch merged upstream on the Upstream board.

AntiCompositeNumber removed a parent task: T193352: Update librsvg to ≥2.42.3 (2.44.10).May 14 2020, 4:17 AM

AntiCompositeNumber added a subtask: T193352: Update librsvg to ≥2.42.3 (2.44.10).

Looks like librsvg may have regressed on this issue since 2.44.13, as conversion fails for all thumbnails where the width is between 310 and 395 inclusive using 2.48.4.

$ RUST_BACKTRACE=full rsvg-convert -w 395 -f png -u -o Zevenhuizen_Moerkapelle_wapen.svg.png Zevenhuizen_Moerkapelle_wapen.svg
thread '<unnamed>' panicked at 'Cairo error "out of memory"', /build/.cargo/registry/src/github.com-1ecc6299db9ec823/cairo-rs-0.8.1/src/enums.rs:274:13
stack backtrace:
   0:     0x7ff4c0d104df - <unknown>
   1:     0x7ff4c0b74eec - <unknown>
   2:     0x7ff4c0d0f9c6 - <unknown>
   3:     0x7ff4c0d0f610 - <unknown>
   4:     0x7ff4c0d0edd6 - <unknown>
   5:     0x7ff4c0d0e978 - <unknown>
   6:     0x7ff4c0d0e920 - <unknown>
   7:     0x7ff4c0ca53ce - <unknown>
   8:     0x7ff4c0ca4758 - <unknown>
   9:     0x7ff4c0c84895 - <unknown>
  10:     0x7ff4c0c84653 - <unknown>
  11:     0x7ff4c0c82e79 - <unknown>
  12:     0x7ff4c0c83d66 - <unknown>
  13:     0x7ff4c0cbcdd4 - <unknown>
  14:     0x7ff4c0c7f629 - <unknown>
  15:     0x7ff4c0cbcc3d - <unknown>
  16:     0x7ff4c0c84895 - <unknown>
  17:     0x7ff4c0c84653 - <unknown>
  18:     0x7ff4c0c82e79 - <unknown>
  19:     0x7ff4c0c83d66 - <unknown>
  20:     0x7ff4c0ca1f6b - <unknown>
  21:     0x7ff4c0c7f629 - <unknown>
  22:     0x7ff4c0ca15cf - <unknown>
  23:     0x7ff4c0c84895 - <unknown>
  24:     0x7ff4c0c84653 - <unknown>
  25:     0x7ff4c0c82e79 - <unknown>
  26:     0x7ff4c0d081cf - <unknown>
  27:     0x7ff4c0d07e8c - <unknown>
  28:     0x7ff4c0b58209 - rsvg_rust_handle_render_cairo_sub
  29:     0x55eaf1b7c9af - <unknown>
  30:     0x7ff4c0349002 - __libc_start_main
  31:     0x55eaf1b7d7de - <unknown>
  32:                0x0 - <unknown>
fatal runtime error: failed to initiate panic, error 5
fish: “RUST_BACKTRACE=full rsvg-conver…” terminated by signal SIGABRT (Abort)

If it works on 2.44.10-2.1 (the current Debian buster version) we should be fine for a while though.

AntiCompositeNumber moved this task from Backlog to Upstream on the Thumbor board.May 22 2020, 2:12 AM

AntiCompositeNumber moved this task from Upstream to Upstream (librsvg) on the Thumbor board.May 22 2020, 4:03 AM

toorich changed the status of subtask T193352: Update librsvg to ≥2.42.3 (2.44.10) from Stalled to Open.Jun 24 2020, 9:59 AM

Aklapper changed the status of subtask T193352: Update librsvg to ≥2.42.3 (2.44.10) from Open to Stalled.Jun 24 2020, 10:34 AM

I reported it upstream: https://gitlab.gnome.org/GNOME/librsvg/-/issues/720 (with rsvg-convert version 2.48.9)

JoKalliauer renamed this task from Several PNG thumbnail sizes of a specific SVG image do not display correctly to Several thumbnail sizes of SVG with large gradientTransform fail.May 9 2021, 4:25 PM

JoKalliauer moved this task from Patch merged upstream to Reported Upstream on the Upstream board.May 16 2021, 3:38 PM

Aklapper updated the task description. (Show Details)May 17 2021, 9:47 AM

JoKalliauer moved this task from Backlog to librsvg (upstream) on the Wikimedia-SVG-rendering board.Jun 29 2021, 9:53 PM

Aklapper mentioned this in T288103: PNG preview thumbnail of SVG file with HSL colors on Wikimedia commons is black.Aug 4 2021, 1:23 PM

AntiCompositeNumber mentioned this in T311710: Thumbnails failing for SVG file (429 Too Many Requests/500 Internal Server Error).Jul 3 2022, 2:50 AM

hnowlan closed subtask T193352: Update librsvg to ≥2.42.3 (2.44.10) as Resolved.Wed, May 17, 11:36 AM

JoKalliauer edited subtasks, added: T40010: RFC: Re-evaluate librsvg as SVG renderer on Wikimedia wikis; removed: T193352: Update librsvg to ≥2.42.3 (2.44.10).Thu, May 18, 2:58 AM

JoKalliauer updated the task description. (Show Details)Thu, May 18, 3:02 AM

	F37007405: Screenshot 2023-05-17 at 23-02-11 Cairo error out of memory with linearGradient gradientTransform ... gradientUnits userSpaceOnUse (#720) · Issues · GNOME _ librsvg · GitLab.png
	Thu, May 18, 3:02 AM

	F37007402: Screenshot 2023-05-17 at 23-01-33 File T214738.svg – Wikimedia Commons.png
	Thu, May 18, 3:02 AM

Several thumbnail sizes of SVG with large gradientTransform failOpen, Stalled, LowPublicActions

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Several thumbnail sizes of SVG with large gradientTransform fail
Open, Stalled, LowPublic
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