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Re: [tor-bugs] #22041 [Applications/Tor Browser]: libmozsandbox.so error on Debian jessie amd64 after upgrading to 7.0a3
#22041: libmozsandbox.so error on Debian jessie amd64 after upgrading to 7.0a3
-------------------------------------------------+-------------------------
Reporter: dcf | Owner: tbb-
| team
Type: defect | Status:
| assigned
Priority: Very High | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Critical | Resolution:
Keywords: ff52-esr, tbb-7.0-must-alpha, | Actual Points:
TorBrowserTeam201704 |
Parent ID: | Points:
Reviewer: | Sponsor:
-------------------------------------------------+-------------------------
Comment (by mcs):
One thing about dcf's setup that is different from most people's is that
he has `app.update.staging.enabled = false`. Maybe this bug is easily
reproducible if staging is disabled. Kathy and I try that and see.
I think the real problem here is that after the partial update failed to
apply, "unwinding" the partially applied update failed badly (hence there
are a lot of .moz-backup files left behind). Then, since firefox could not
start due to the botched partial update that was not backed out, there was
no chance for the update service to notice the failure and fallback to a
full update.
I don't understand why the updater was unable to rename the.moz-backup
files in order to restore the original (7.0a2) files. The update.log file
is full of messages like:
{{{
backup_restore: cannot get info for backup file: plugin-container.moz-
backup
}}}
That message comes from https://gitweb.torproject.org/tor-
browser.git/tree/toolkit/mozapps/update/updater/updater.cpp?h=tor-
browser-45.8.0esr-7.0-1#n1028
Unfortunately, `errno` is not logged after the `lstat` call fails.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22041#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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