[Olsr-dev] bug Segmentation Fault in OLSR 0.5.6-r6

[Henning Rogge]

Am Freitag 16 Oktober 2009 16:52:20 schrieb ZioPRoTo (Saverio Proto):
> We are testing 0.5.6-r6.
> 
> I'm here with Szczepan that found an interesting bug I was able to
> reproduce in my Netkit UML environment
> 
> If you are running OLSR and you "ifconfig intname down" on a interface
> NOT running OLSR, the OLSR daemon dies with a Segmentation Fault. You
> can also try with "ifconfig lo down" (supposing that you are not
> running olsrd on loopback interface)
> 
> I reproduced the problem with olsrd running under gdb, and here is the
>  printout:
> 
> [New Thread 0x40184bc0 (LWP 612)]
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x40184bc0 (LWP 612)]
> 0x0806cb82 in netlink_process_link (h=0xbf96aed4)
>     at src/linux/kernel_routes.c:112
> 112         OLSR_PRINTF(1,"interface %s is down! ", iface->int_name);
> 
> Szczepan says this was not happening in 0.5.6-r3 and r4 ... the r5 was
> not tested
Damned... seems to be me and Markus missed a bug in the "interface down" 
detector. Fix is already in the stable repository, a 0.5.6-r7 might follow 
soon.

Henning
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