From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 475C23905F5 for ; Thu, 24 Sep 2026 00:01:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790208091; cv=none; b=axiYXJR9s8BIuN0SscsnZpn2aQzvddqBhztcUk5jQeEh4yTzcw8wAJ8PdNq0POdmrrSFD9GOHYtwR8iHCFRVa1hg9NHFHQ0QrFWv6mOU6KpEx1VVff9l0YyUwkdCb93zGL7V6MCqLRqvLf9l2VpYQEqQGMZCTfyYdyJy4uZbPHM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790208091; c=relaxed/simple; bh=GJSPPqZSgt6XosId/IPLZILd/Z5PkFYSYulZPiGoXKM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=GTQDU6G5cgQTylDpOo0nGEnDqtmhDKZGS3IMrW+e2UbiSh3KhVuFDsXOd1j6mgOOPD1qIRpPzaRlKRbV5OaUQ4/5jO52hHnqsPW3wIc9rlEXCmWlPXI17J4v76YYh17Sv7xDPbPD0oEfMQ+qeXsEdQO4GECKht5URBL+Mu6VNUc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K2PwGpy8; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="K2PwGpy8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E8F331F00893; Thu, 24 Sep 2026 00:01:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790208081; bh=w5GRhdfo/RaZRTt7hFHRkwz61GNA1cjR41hO3+RNSiM=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=K2PwGpy8w07OdYfMu5BQ/wdVxmWjQv/2kL/JbwQy9SB8153q2BRjIRM3r3RmI68sa kaqZ5wWgKfsdXKgh7Lxg05IRK/Nno5StssS+ZtNgGiyjcPoqT2tt6RpmoVDVWXg0KD TV9fUgH8OUA8yK3j3IVKFbQJ+gsOOfGyJ6jTVCHzBHFfm2bkUf6XMn/QvG2OK7EqYb m+3NsxK5QfBYIucuHhH8OaquqCbYrHz7HcpsRYy2HzmspcUXC4qiivow18Gw0onTJt RvKTXHlqLHenjjw4Un8mykHT15IGTIt+q62dVxqpZlBHQ+ZSdXfkwRziYKbtb9t5je lAGKDGL2gLs9A== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D07C739E9602; Thu, 24 Sep 2026 00:00:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2] veth: manage XDP program pointers during channel resize From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179020801040.1240300.14886400931573305282.git-patchwork-notify@kernel.org> Date: Thu, 24 Sep 2026 00:00:10 +0000 References: <20260921231856.1798630-1-kuba@kernel.org> In-Reply-To: <20260921231856.1798630-1-kuba@kernel.org> To: Jakub Kicinski Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, bestswngs@gmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 21 Sep 2026 16:18:56 -0700 you wrote: > veth_set_channels() tears down XDP resources for removed RX queues > without clearing rq->xdp_prog. If the program is then detached or > replaced, those queues keep the old pointer after bpf_prog_put(). > A later channel increase can re-enable NAPI and run the freed program. > > BUG: unable to handle page fault for address: ffffc90000256048 > Oops: Oops: 0000 [#1] SMP KASAN NOPTI > RIP: veth_xdp_rcv_skb (include/linux/filter.h:779 > include/net/xdp.h:696 drivers/net/veth.c:820) > Call Trace: > veth_xdp_rcv (drivers/net/veth.c:941) > veth_poll (drivers/net/veth.c:986) > __napi_poll (net/core/dev.c:7787) > net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) > handle_softirqs (kernel/softirq.c:645) > Kernel panic - not syncing: Fatal exception in interrupt > > [...] Here is the summary with links: - [net,v2] veth: manage XDP program pointers during channel resize https://git.kernel.org/netdev/net/c/7104a3707143 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html