crash in novell_ssl_connect_error
olaf at aepfle.de
Tue Jun 18 12:11:54 EDT 2013
On Tue, Jun 18, Ethan Blanton wrote:
> Olaf Hering spake unto us the following wisdom:
> > I'm running pidgin-2.7.10 as included in openSuSE 11.4. If the network
> > connection is flaky, pidgin crashes in novell.c:1680
> [ snip ]
> > Current mainline has the same code. I lost my gdb sesseion during the
> > last crash, so cant tell what pointer in line 1680 was invalid or NULL.
> Unfortunately, the Novell plugin was donated by a corporate entity, is
> no longer maintained, and none of the Pidgin developers have a server
> to check it against. We would happily accept patches to improve it
> from a developer who does have access to a server.
I'm using it every day.
> > I suggest to add proper checks before assign a value to ->data.
> There may be some level of defensive programming that can be performed
> without a server, of course. I haven't examined this code carefully
> to see if, for example, simply aborting the operation leaves things
> in a sane state.
For a start I will add a "if (user && user->conn &&
user->conn->ssl_conn)" check and see how it behaves. It happens not that
often, my current gsm is flaky so it might trigger soon.
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