From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, netdev@vger.kernel.org, edumazet@kernel.org
Subject: Re: [PATCH v2 net 0/4] vlan: ensure sufficient headroom in vlan_dev_hard_header()
Date: Thu, 24 Sep 2026 18:10:15 +0000 [thread overview]
Message-ID: <179027341588.1690644.9685804588614580590.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260924082951.1599377-1-edumazet@google.com>
Hello:
This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 24 Sep 2026 08:29:47 +0000 you wrote:
> Callers that only reserve ETH_HLEN or less, or skbs allocated before
> dynamic device/headroom changes (such as toggling VLAN_FLAG_REORDER_HDR
> or bonding/team switching slaves), can reach vlan_dev_hard_header() with
> insufficient headroom and trigger skb_under_panic().
>
> When vlan_dev_hard_header() returns -ENOMEM upon skb_cow_head() failure,
> a few callers of dev_hard_header() / llc_mac_hdr_init() had pre-existing
> error-handling bugs:
>
> [...]
Here is the summary with links:
- [v2,net,1/4] llc: fix skb UAF and leaks on llc_mac_hdr_init() failure
https://git.kernel.org/netdev/net/c/72f9dd522f8d
- [v2,net,2/4] bridge: check llc_mac_hdr_init() return value in br_send_bpdu()
https://git.kernel.org/netdev/net/c/ac704ff08e51
- [v2,net,3/4] net/sched: sch_teql: fix shadowed err in __teql_resolve()
https://git.kernel.org/netdev/net/c/907b978e82cb
- [v2,net,4/4] vlan: ensure sufficient headroom in vlan_dev_hard_header()
https://git.kernel.org/netdev/net/c/cd5dd68267c4
You are awesome, thank you!
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prev parent reply other threads:[~2026-09-24 18:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 8:29 [PATCH v2 net 0/4] vlan: ensure sufficient headroom in vlan_dev_hard_header() Eric Dumazet
2026-09-24 8:29 ` [PATCH v2 net 1/4] llc: fix skb UAF and leaks on llc_mac_hdr_init() failure Eric Dumazet
2026-09-24 8:29 ` [PATCH v2 net 2/4] bridge: check llc_mac_hdr_init() return value in br_send_bpdu() Eric Dumazet
2026-09-24 10:25 ` Nikolay Aleksandrov
2026-09-24 8:29 ` [PATCH v2 net 3/4] net/sched: sch_teql: fix shadowed err in __teql_resolve() Eric Dumazet
2026-09-24 8:29 ` [PATCH v2 net 4/4] vlan: ensure sufficient headroom in vlan_dev_hard_header() Eric Dumazet
2026-09-24 18:10 ` patchwork-bot+netdevbpf [this message]
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