Bug#710190: vlc: Segfault when opening a playlist containing rtsp urls

[Rémi Denis-Courmont]

	Hello,

Le jeudi 30 mai 2013 17:51:26, Reinhard Tartler a écrit :
> This looks like a segfault in libproxy.

Yes. The PAC interpreter is crashing. This type of bug is most likely to affect 
corporate users, where PAC files are popular.

> A similar crash has is known in Ubuntu as
> https://bugs.launchpad.net/ubuntu/+source/libproxy/+bug/1038578, maybe it
> is the same issue?

I don't know if it is the same issue, but there are indeed quite a few PAC-
related libproxy bugs in LaunchPad.

> Remi, executive summary, I suspect that the ubuntu issue above is
> effectively the same as http://bugs.debian.org/710190. Does the
> information there help you with identifying the issue?

I am not familiar with libproxy internals. Due to the swarm of crash reports, 
I have made VLC 2.1 execute /usr/bin/proxy from proxy-tools in a separate 
process instead of calling libproxy directly. (This also weakens the run-time 
dependency on libproxy.) At least, VLC will not crash anymore.

> Also, reading bug
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=604934 makes me feel
> sad and wonder, if there was some way to disable the usage of libproxy
> in vlc altogether?

For VLC 2.0, either `./configure --disable-libproxy' or build-time conflict with 
libproxy-dev ought to do. Then the plain old $http_proxy will be used.

-- 
Rémi Denis-Courmont
http://www.remlab.net/