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Re: [tor-bugs] #21900 [Core Tor/Tor]: evdns fails when resolv.conf is missing, but succeeds when resolv.conf is empty
#21900: evdns fails when resolv.conf is missing, but succeeds when resolv.conf is
empty
-------------------------------------------------+-------------------------
Reporter: teor | Owner:
Type: defect | Status: new
Priority: Medium | Milestone: Tor:
| 0.3.2.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: technical-debt, dns, crash, tor- | Actual Points:
relay, macos |
Parent ID: | Points: 2
Reviewer: | Sponsor:
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Comment (by teor):
Replying to [comment:1 teor]:
> Also, if you issue a SETCONF to tor while it's in this state, it will
abort with:
>
> [err] set_options: Bug: Acting on config options left us in a broken
state. Dying. (on Tor 0.2.9.9 008f2846b9b53d52)
>
> This is not such an important crash, because it only happens on
platforms which remove resolv.conf (which as far as I know, is only macOS
when the network is down). And I think it only happens on relays, not
clients. But it would still be nice to fix it.
Tor Browser could trigger this crash by issuing a SETCONF when the network
is down, but it doesn't use local DNS in the default config, so I think
that's ok.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21900#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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