[Webkit-unassigned] [Bug 281375] Crash in WebCore::FontCache::lastResortFallbackFont

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Oct 13 07:45:18 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=281375

Nils K <nilskemail+webkit at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|INVALID                     |---
             Status|RESOLVED                    |REOPENED

--- Comment #2 from Nils K <nilskemail+webkit at gmail.com> ---
(In reply to Michael Catanzaro from comment #1)
> You don't need additional debuginfo for this. The last resort fallback font
> is just "serif" but fontconfig wasn't able to provide a match even for that,
> so you've no hope. This is not a WebKit bug; it's either a font
> configuration issue or else possibly a Fontconfig bug.

Fontconfig is able to find a match for serif.
Running "fc-match serif" warns about a missing fontconfig file but successfully returns: 'NotoSans[wght].ttf: "Noto Sans" "Regular"'

This also worked in WebKit 2.44 with the same fontconfig version (2.15.0). Maybe it has something to do with it being a variable width font?

Or is there something else appended to the pattern used when searching fonts? On another machine with more fonts "fc-match sans-serif" also returns NotoSans but WebKit instead selects Nimbus Roman which fontconfig ranks lower.

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