Re: [PATCH] tcp: Avoid infinite loop on recvmsg bug

[Eric Dumazet]

On Wed, 2012-11-07 at 18:25 -0800, Julius Werner wrote:
> > So you probably are fighting a bug we already fixed in upstream kernel.
> >
> > (commit c8628155ece363 "tcp: reduce out_of_order memory use" did not
> > played well with cloned skbs.)
> >
> > This issue was already discussed on netdev in the past.
> 
> Thanks for the hint. Unfortunately, we have not pulled c8628 into our
> tree yet, so that's not it. Is there another point where the cloned
> skb or the faked truesize might make it break? We have been running
> this test with that hardware some 30 times in the last months and only
> seen it once, so it cannot be that common.

Update : Chrome OS current tree is based on 3.4 and really needed the
patch :

https://gerrit.chromium.org/gerrit/#/c/37666/



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