[LIP] Re: [TwinCLinG] Insmod Rmmod Insmod crash.

suresh kumar  [2/7/2004 12:38 PM] :

> Hi,
> I have written a module that crashes after insmod followed by rmmod followed by insmod. I am using kgdb and the crash is as below. When I do rmmod I am not freeing the memory that is I have allocated during the insmod. I want to know if it is because of that or it is because of wrong programming in registering netfilter hooks as the trace is showing that. I am also pasing few lines as how I am registering. Kindly help me. I feel that there is some thing to do with the priority of the hook. 

This might explain why ...

http://lkml.org/lkml/2004/1/27/32

> 
> SIGSEGV has to be actually delivered to an application for it to die. A user 
> has a choice of correcting a bug on the fly and let the application continue 
> without segfaulting. It can tell gdb to continue the debugee without a 
> signal. It doesn't apply in case of kernel, so it's not a bug. Kernel anyway 
> "delivers" the signal, that is, continues with a panic once kgdb returns. We 
> don't offer a user the choice of correcting a segfault on the fly.




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