From: Tianyi Gao <tianyi@cloudflare.com>
To: sashiko-bot@kernel.org
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org,
intel-wired-lan@lists.osuosl.org,
Jakub Kicinski <kuba@kernel.org>,
kernel-team@cloudflare.com
Subject: Re: [PATCH bpf-next 10/15] xdp: warn on XDP_PASS with stored values when XDP runs on an skb
Date: Tue, 10 Nov 2026 04:57:20 +0000 [thread overview]
Message-ID: <20261110045720.77278-1-tianyi@cloudflare.com> (raw)
In-Reply-To: <sashiko-outbox-206173@kernel.org>
Hi,
On Tue, Nov 10, 2026 at 04:10:19AM +0000, sashiko-bot@kernel.org wrote:
> [Severity: Critical]
> This problem wasn't introduced by this patch, but can veth_disable_xdp()
> unregister rq->xdp_rxq [1] while veth_xdp_rcv_skb() or
> veth_xdp_rcv_one() is still using it?
[ ... ]
The list [2] and I [3] are aware of this problem. If it is still not
fixed in a week, I will send a fix to net.
[2] https://lore.kernel.org/all/20260917185814.0f944e78@kernel.org/
[3] https://lore.kernel.org/all/20261105143356.17062-1-tianyi@cloudflare.com/
Cheers,
Tianyi
next prev parent reply other threads:[~2026-11-10 4:57 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-10 3:56 [PATCH bpf-next 00/15] xdp: add SKB core extensions to keep RX metadata until skb creation Tianyi Gao
2026-11-10 3:56 ` [PATCH bpf-next 01/15] xdp: reserve an skb core extension area after the xdp_frame Tianyi Gao
2026-11-10 13:10 ` Jesper Dangaard Brouer
2026-11-10 3:57 ` [PATCH bpf-next 02/15] net: dpaa, dpaa2: clear the skb core extension flag Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 03/15] xdp: add kfuncs to store RX hash and VLAN tag Tianyi Gao
2026-11-10 14:13 ` Jesper Dangaard Brouer
2026-11-10 3:57 ` [PATCH bpf-next 04/15] xdp: add a kfunc to delete skb core extension entries Tianyi Gao
2026-11-10 14:20 ` Jesper Dangaard Brouer
2026-11-10 3:57 ` [PATCH bpf-next 05/15] xdp: add a kfunc to store the RX checksum status Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 06/15] selftests/bpf: Test the skb core extension kfuncs Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 07/15] xdp: set skb RX metadata from the skb core extension area of xdp_frame Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 08/15] selftests/bpf: Test RX metadata on skbs built from xdp_frames Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 09/15] xdp: add the skb-ext-pass XDP feature and warn without it Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 10/15] xdp: warn on XDP_PASS with stored values when XDP runs on an skb Tianyi Gao
2026-11-10 4:53 ` bot+bpf-ci
[not found] ` <sashiko-outbox-206173@kernel.org>
2026-11-10 4:57 ` Tianyi Gao [this message]
2026-11-10 3:57 ` [PATCH bpf-next 11/15] ice: set skb RX metadata from the skb core extension area of xdp_buff Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 12/15] selftests: drv-net: xdp: test the stored RX metadata on XDP_PASS Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 13/15] xdp: add kfuncs to load the stored RX metadata Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 14/15] selftests/bpf: Test the load kfuncs on cpumap and veth Tianyi Gao
2026-11-10 3:57 ` [PATCH bpf-next 15/15] docs: net: document the skb core extension area Tianyi Gao
2026-11-10 4:53 ` bot+bpf-ci
2026-11-10 13:01 ` [PATCH bpf-next 00/15] xdp: add SKB core extensions to keep RX metadata until skb creation Jesper Dangaard Brouer
2026-11-11 0:00 ` Stanislav Fomichev
2026-11-11 1:07 ` Tianyi Gao
2026-11-11 22:25 ` Stanislav Fomichev
2026-11-11 23:46 ` Tianyi Gao
2026-11-12 0:34 ` Alexei Starovoitov
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