linux-kernel - Re: [syzbot ci] Re: net: Convert to skb_dst_reset and skb_dst

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Message-ID: <aJxihWEdn5cVlP6z@strlen.de>
Date: Wed, 13 Aug 2025 12:01:41 +0200
From: Florian Westphal <fw@...len.de>
To: syzbot ci <syzbot+ci1b726090b21fedf1@...kaller.appspotmail.com>
Cc: abhishektamboli9@...il.com, andrew@...n.ch, ayush.sawal@...lsio.com,
	coreteam@...filter.org, davem@...emloft.net, dsahern@...nel.org,
	edumazet@...gle.com, gregkh@...uxfoundation.org,
	herbert@...dor.apana.org.au, horms@...nel.org, kadlec@...filter.org,
	kuba@...nel.org, linux-kernel@...r.kernel.org,
	linux-staging@...ts.linux.dev, mhal@...x.co, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, pabeni@...hat.com,
	pablo@...filter.org, sdf@...ichev.me, steffen.klassert@...unet.com,
	syzbot@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot ci] Re: net: Convert to skb_dst_reset and skb_dst_restore

syzbot ci <syzbot+ci1b726090b21fedf1@...kaller.appspotmail.com> wrote:
> syzbot ci has tested the following series
> 
> [v1] net: Convert to skb_dst_reset and skb_dst_restore
> https://lore.kernel.org/all/20250812155245.507012-1-sdf@fomichev.me
> * [PATCH net-next 1/7] net: Add skb_dst_reset and skb_dst_restore
> * [PATCH net-next 2/7] xfrm: Switch to skb_dst_reset to clear dst_entry
> * [PATCH net-next 3/7] netfilter: Switch to skb_dst_reset to clear dst_entry
> * [PATCH net-next 4/7] net: Switch to skb_dst_reset/skb_dst_restore for ip_route_input callers
> * [PATCH net-next 5/7] staging: octeon: Convert to skb_dst_drop
> * [PATCH net-next 6/7] chtls: Convert to skb_dst_reset
> * [PATCH net-next 7/7] net: Add skb_dst_check_unset
> 
> and found the following issue:
> WARNING in nf_reject_fill_skb_dst

Looks like a bug uncovered by this series.

I'll have a look.