linux-kernel - Re: [PATCH net-next V3] net: restore the iterator to its original state when an error occurs

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Message-ID: <20251211142142.18a4a0b2@kernel.org>
Date: Thu, 11 Dec 2025 14:21:42 +0900
From: Jakub Kicinski <kuba@...nel.org>
To: Edward Adam Davis <eadavis@...com>
Cc: davem@...emloft.net, edumazet@...gle.com, eperezma@...hat.com,
 horms@...nel.org, jasowang@...hat.com, kvm@...r.kernel.org,
 linux-kernel@...r.kernel.org, mst@...hat.com, netdev@...r.kernel.org,
 pabeni@...hat.com, sgarzare@...hat.com, stefanha@...hat.com,
 syzbot+ci3edb9412aeb2e703@...kaller.appspotmail.com,
 syzbot@...ts.linux.dev, syzbot@...kaller.appspotmail.com,
 syzkaller-bugs@...glegroups.com, virtualization@...ts.linux.dev,
 xuanzhuo@...ux.alibaba.com
Subject: Re: [PATCH net-next V3] net: restore the iterator to its original
 state when an error occurs

On Wed, 10 Dec 2025 18:03:14 +0800 Edward Adam Davis wrote:
> > Have you investigated the other callers? Given problems with previous
> > version of this patch I'm worried you have not. If you did please extend
> > the commit message with the appropriate explanation.  
> Are you asking if I investigated other zerocopy tests? NO.

I said callers. You're changing behavior of a function, is it going 
to break any of the callers.

> The test results [T2] for this version of the patch do not show any
> failures related to zerocopy.