bug#51478: icecat 91 can't display chinese font in many web page

[Z572 via Bug reports for GNU Guix <bug-guix@gnu.org>]

I add "/run/current-system/profile/share/fonts/" to
"security.sandbox.content.read_path_whitelist" fixed it for me.

Thanks for the help.


Mark H Weaver <mhw@netris.org> writes:

> Z572 via Bug reports for GNU Guix <bug-guix@gnu.org> writes:
>> after update to 91, icecat can't display chinese font for many web page:
>
> Thanks for the report.
>
> As a temporary workaround, it might help to visit <about:config> and
> change the setting for "security.sandbox.content.read_path_whitelist"
> to contain simply "/gnu/store/".
>
> Doing so will make your IceCat do what all other modern web browsers in
> Guix do: simply give the browser sandbox access to *all* of /gnu/store/.
> The disadvantage of doing so is that the sandbox will then able to see
> the complete list of Guix-installed software components installed on
> your system, as well as the precise version numbers of those software
> components.
>
> To my knowledge, IceCat is the only modern web browser packaged in Guix
> that attempts to build a precise whitelist of directories within
> /gnu/store/ that the sandbox is given access to.
>
> When updating our Guix package to IceCat 91, I discovered that it is now
> necessary to add font directories to the whitelist, whereas that was not
> needed in IceCat 78.  For now, I've added 'font-dejavu' as an explicit
> input to our 'icecat' package, and added its font/share directory to the
> whitelist.  However, I can see now that this solution is not adequate.
>
> To be continued...
>
>        Mark


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