https://bugs.documentfoundation.org/show_bug.cgi?id=132424
Bug ID: 132424
Summary: Assertion failure when opening a document in LOOL
Product: LibreOffice
Version: 7.0.0.0.alpha0+ Master
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: bibisected, bisected, regression
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Blocks: 105537
Created attachment 159945
--> https://bugs.documentfoundation.org/attachment.cgi?id=159945&action=edit
Backtrace
The following requires a debug LO build to trigger.
Not sure if there's any other prerequisite, the assert seems to indicate some
kind of font fallback handling problem (not related to the repro, since that
uses Liberation Serif font).
- Build LOOL, and open the sample hello-world.odt in the browser with the URL
given on the console.
=> Repeated crashes (since LOOL tries to reload the document).
The console shows the following assert:
"vcl/unx/generic/gdi/freetypetextrender.cxx:166: virtual
std::unique_ptr<GenericSalLayout> FreeTypeTextRenderImpl::GetTextLayout(int):
Assertion `mpFreetypeFont[nFallbackLevel]' failed."
Attaching backtrace. The backtrace indicates it's triggered when populating the
font name box with the rendered name of the font when rendering headless. This
could perhaps be reproduced purely with core in some way. This font name box
and its pre-rendered contents are never shown in LOOL, btw.
This is a recent regression, bisected to the following commit. Adding CC: to
Caolán McNamara.
https://cgit.freedesktop.org/libreoffice/core/commit/?id=2e0a32b51681fb356699b4a722f461f55a46b890
author Caolán McNamara <[email protected]> 2020-04-07 12:21:47
+0100
committer Caolán McNamara <[email protected]> 2020-04-21 10:19:41
+0200
weld FontNameBox
Referenced Bugs:
https://bugs.documentfoundation.org/show_bug.cgi?id=105537
[Bug 105537] [META] Assertion failed crashes
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