Open Bug 1953510 Opened 7 days ago Updated 2 days ago

DNS entries (without IP addresses) started showing up in about:networking#dns at startup even when the system is not connected to the Internet

Categories

(Core :: Networking: DNS, defect)

Firefox 132
defect

Tracking

()

UNCONFIRMED

People

(Reporter: aoia7rz7l, Unassigned, NeedInfo)

Details

(Whiteboard: [necko-triaged][necko-priority-new])

Prerequisite:

An offline environment. Note that this issue is not reproducible in Offline Mode. To bisect this I had to allow a build to be downloaded > disconnect from the Internet > hit retry > determine if that build is good or bad > reconnect to the Internet > move on to the next build, and so on.

STR:

  1. Start Firefox.
  2. Visit about:networking#dns.

Expected Behavior:

Nothing shows up in about:networking#dns when the system is not connected to the Internet.

Actual Behavior:

A bunch of DNS entries (without any IP addresses) that would expire within the next 60 seconds showed up in about:networking#dns. If you tried to visit e.g.bugzilla.mozilla.org in the address bar then bugzilla.mozilla.org will also show up with its own ^partitionKey= and what not.

Last good revision: f2a1d0b442ab14b7d00c4229444d4845d14cbb68
First bad revision: eb748cbf195dc2195a5a26910efb0f35a0967e03
Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=f2a1d0b442ab14b7d00c4229444d4845d14cbb68&tochange=eb748cbf195dc2195a5a26910efb0f35a0967e03

After reading bug 1910593, I wouldn't necessarily consider this issue as a bug, but would still like to check that this was intended behavior and not some side effect.

The Bugbug bot thinks this bug should belong to the 'Core::Networking: DNS' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Component: Untriaged → Networking: DNS
Product: Firefox → Core

Dont think this is a bug as well.
But need to ensure this behaviour is not hinting at some other problem due to Bug 1910593.
kershaw any thoughts?

Flags: needinfo?(kershaw)
Whiteboard: [necko-triaged][necko-priority-new]
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