1376524 - Logs show incorrect handling of null hostname in nsHostResolver::ResolveHost

Status: RESOLVED INVALID

(Core :: Networking: DNS, defect)

Description

[Valentin Gosu [:valentin] (he/him)]

The logs in attachment 8879880 [details] show:

[ProxyResolution]: D/nsHostResolver Resolving host [null].
[ProxyResolution]: D/nsHostResolver   No usable address in cache for host [null].

However, that method should return if host is null:

NS_ENSURE_TRUE(host && *host, NS_ERROR_UNEXPECTED);
http://searchfox.org/mozilla-central/rev/b425854d9bbd49d5caf9baef3686e49ec91c17ec/netwerk/dns/nsHostResolver.cpp#737


I'm not sure this is the cause of bug 1174249, but it seems a weird behaviour.

Comment 1

[Valentin Gosu [:valentin] (he/him)]

I just seem to have misread the logs. The string in the logs is "null", not "(null)", so this is just some webpage trying to resolve "null" as a host. Weird, but not a bug.