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Message-ID: <CACT4Y+b_JkNCPOgx=xdUNTZqwwmoaxOSC9obsZnuPa3rZnWKag@mail.gmail.com>
Date: Fri, 27 Jan 2023 08:16:42 +0100
From: Dmitry Vyukov <dvyukov@...gle.com>
To: syzbot <syzbot+a1c17e56a8a62294c714@...kaller.appspotmail.com>
Cc: alexanderduyck@...com, andrii@...nel.org, ast@...nel.org,
bpf@...r.kernel.org, daniel@...earbox.net, davem@...emloft.net,
edumazet@...gle.com, hawk@...nel.org, john.fastabend@...il.com,
kafai@...com, kpsingh@...nel.org, kuba@...nel.org,
linux-kernel@...r.kernel.org, mst@...hat.com,
netdev@...r.kernel.org, pabeni@...hat.com, songliubraving@...com,
syzkaller-bugs@...glegroups.com, willemb@...gle.com, yhs@...com
Subject: Re: [syzbot] WARNING in pskb_expand_head
On Wed, 25 Jan 2023 at 16:31, syzbot
<syzbot+a1c17e56a8a62294c714@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit dbae2b062824fc2d35ae2d5df2f500626c758e80
> Author: Paolo Abeni <pabeni@...hat.com>
> Date: Wed Sep 28 08:43:09 2022 +0000
>
> net: skb: introduce and use a single page frag cache
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16a58035480000
> start commit: bf682942cd26 Merge tag 'scsi-fixes' of git://git.kernel.or..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=b68d4454cd7c7d91
> dashboard link: https://syzkaller.appspot.com/bug?extid=a1c17e56a8a62294c714
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14b18438880000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=120c9038880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: net: skb: introduce and use a single page frag cache
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
Looks reasonable. Let's close the bug report:
#syz fix: net: skb: introduce and use a single page frag cache
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