Re: [PATCH] netfilter: xt_connlimit: fix race in connection counting

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Alakesh Haloi <alakeshh@xxxxxxxxxx> wrote:
> Thanks Greg and Pablo for your suggestions! We found this issue on 4.14
> stable kernel and hence the fix is based on 4.14. The xt_connlimit module
> source seemed to have been refactored. At one point I tested 4.18-rc1 and
> the issue was still present. However I have not tested the most recent
> one. I will follow your suggestions and try to reproduce the issue in
> master branch of  nf.git tree and in linus's tree and if i cannot reproduce
> it then I will go ahead and pick the relevant  patches for backporting.
> This patch fixes the issue without bringing in any refactor patches. But
> that is probably not the right way to go for it.

Actually it might be needed, the changes in upstream are pretty invasive.

So, in case you can reproduce this with nf.git or linus tree it would
be great if you could send a fix for nf.git.

But In case you can't reproduce, its possible your patch is still needed
for stable.



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