On Mon, Jan 20, 2020 at 05:58:23PM +0100, Hans-Christoph Steiner wrote: > Turns out some other apps also couldn't start, like Thunderbird. I > tracked it down, it was due to me adding the following rules to > /etc/firejail/whitelist-common.local: > > whitelist /usr/share/webext > read-only /usr/share/webext > > I need that to let Firefox start properly, but I suppose there is a > better fix. >
The upstream fix for the firefox problem is to add whitelist /usr/share/webext into firefox.profile. If you add it to whitelist-common, that means that /usr/share (the parent directory) is blocked _except_ /usr/share/webext (and others that are whitelisted inside /usr/share). Signal probably needs to access other files in /usr/share that got blocked in this way. Regards, Reiner
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