[Coin-discuss] segfault in lp module

[Laszlo Ladanyi]

Thanks for the patches!

It should be fixed in the framework. I have committed the patch.

--Laci

On Sat, 6 Sep 2003, Paul Pacheco wrote:

> running MaxCut with pvm.
> 
> I start just 1 LP process, and it segfaults.
> The stack trace is this:
> 
> Bcp/include/BCP_parameters.hpp:167
> Bcp/include/BCP_lp.hpp:254
> Bcp/LP/BCP_lp_user.cpp:225
> Bcp/LP/BCP_lp_misc.cpp:106
> Bcp/LP/BCP_lp_main_loop.cpp:36
> Bcp/LP/BCP_lp_msgproc.cpp:190
> Bcp/LP/BCP_lp_main.cpp:116
> coin/Bcp/TM/BCP_tm_main.cpp:72
> ...
> 
> 
> This is what I figured out:
> in Bcp/LP/BCP_lp_user.cpp:225, the pointer p is null. That is because the lp 
> pointer was not assigned to the p member of the BCP_lp_user class.
> 
> The problem is fixed by either one of the attached patches (I just don't know 
> which one is best or if both should be applied).
> 
> The first one, solves the problem in an individual application.
> The second one solves the problem in the framework.
>