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Ted Pavlic -- List Mail Account wrote:
> I'm using the VS 0.5 patch for a Linux 2.2.9 kernel.
>
> Recently I configured 254 virtual servers on my LinuxDirector. This worked
> fine, but whenever I tried to list them... random things would occur.
Wah, this is the biggest LVS that I have ever heard!
BTW, what are you using it for? could we visit it?
>
> Sometimes the kernel would give me a GPF... sometimes the machine would
> completely lockup... Sometimes my shell would core dump... etc... etc...
>
> It sounds like the ipvsadm -L is not checking the size of the buffer its
> dumping its list into before it prints it... Memory is being overwritten
> outside of the buffer and causing problems. (I haven't actually looked at
> the code, but I'm guessing this is the problem... buffer overflows are
> pretty common)
>
> But things (the actual load balancing) work fine... as long as I don't view
> my VLS's. :)
>
> Can anyone else confirm these findings?
>
Sorry that I have left this overflow bug in the code. Tomorrow I will
release a new patch.
Wensong
>
> All the best --
> Ted
>
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