From nobody Sun Feb 8 09:16:48 2026 Received: from canpmsgout07.his.huawei.com (canpmsgout07.his.huawei.com [113.46.200.222]) (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 22C9C25A2B5; Mon, 20 Oct 2025 11:02:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.222 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760958181; cv=none; b=t8DRKhcPsI1Jn1DjwcHq5EZ5epHiqjuB6LyiUjJtzyqxhwqAGUhXNjoaQeDQuoDoTQcb//5odHsKj0dt4a5fW/JFhmIh+9BR+4RqZKNCuevo8KZB6qG9YwlvAv9MioFOwvBeYoVazSwD8mNmIlqy4Gu0jGDUO6tDrCn369Xy6ZM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760958181; c=relaxed/simple; bh=37JXeaabSnQEBCgvzFMhmKS7+aCd6QldkTzU3wu9728=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=to9ygj4nBqgXzbkxEMuNusN97wGuatazBAo8gY0jQKhkWYpa02AAUu0FmnljSvv9Q6SMD6yole+Mgz2S8mXSeITo/EyJM6XQb5vEuR5A+3CzZBrE2cW7licxYOHZT9INTbiI3hmH4sNhcA52pfV8+2anNkjA4cqutw1sMvEj5/8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=ddZS/Sn9; arc=none smtp.client-ip=113.46.200.222 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="ddZS/Sn9" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=nQ0chgf8+QUyTzowyJfqVEnK894JZa7lGc3+hmjC1Yo=; b=ddZS/Sn9zzzc8Kf5fxuDeSAb2exjusBlWN7RobWM674HE7ExtsIcj3uJw6wB3xYX/wTy7PhQg DxAj9XoxB911hHx53WA7FFF8Qbjhxm6jMqsc7aYXBU4upkKMFUNyWMsZyHF2WIwI3kBGYtxFTs1 sfgFUoJN6tXSYbRFG/Hth3g= Received: from mail.maildlp.com (unknown [172.19.162.112]) by canpmsgout07.his.huawei.com (SkyGuard) with ESMTPS id 4cqsvr6CF4zLlVc; Mon, 20 Oct 2025 19:02:32 +0800 (CST) Received: from dggpemf500016.china.huawei.com (unknown [7.185.36.197]) by mail.maildlp.com (Postfix) with ESMTPS id 484B61400CB; Mon, 20 Oct 2025 19:02:56 +0800 (CST) Received: from huawei.com (10.50.85.128) by dggpemf500016.china.huawei.com (7.185.36.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 20 Oct 2025 19:02:55 +0800 From: Wang Liang To: CC: , , , , , , , , , , , , Subject: [PATCH net] Re: [syzbot] [net?] WARNING in xfrm_state_fini (4) Date: Mon, 20 Oct 2025 19:25:53 +0800 Message-ID: <20251020112553.2345296-1-wangliang74@huawei.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: kwepems200001.china.huawei.com (7.221.188.67) To dggpemf500016.china.huawei.com (7.185.36.197) Content-Type: text/plain; charset="utf-8" #syz test diff --git a/include/net/xfrm.h b/include/net/xfrm.h index f3014e4f54fc..2e7ab56db152 100644 Reported-by: syzbot+999eb23467f83f9bf9bf@syzkaller.appspotmail.com Tested-by: syzbot+999eb23467f83f9bf9bf@syzkaller.appspotmail.com --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -441,6 +441,7 @@ int xfrm_input_register_afinfo(const struct xfrm_input_= afinfo *afinfo); int xfrm_input_unregister_afinfo(const struct xfrm_input_afinfo *afinfo); =20 void xfrm_flush_gc(void); +void xfrm_state_delete_tunnel(struct xfrm_state *x); =20 struct xfrm_type { struct module *owner; diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index d213ca3653a8..5d982e4e6526 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -806,7 +806,6 @@ void __xfrm_state_destroy(struct xfrm_state *x) } EXPORT_SYMBOL(__xfrm_state_destroy); =20 -static void xfrm_state_delete_tunnel(struct xfrm_state *x); int __xfrm_state_delete(struct xfrm_state *x) { struct net *net =3D xs_net(x); @@ -3085,7 +3084,7 @@ void xfrm_flush_gc(void) } EXPORT_SYMBOL(xfrm_flush_gc); =20 -static void xfrm_state_delete_tunnel(struct xfrm_state *x) +void xfrm_state_delete_tunnel(struct xfrm_state *x) { if (x->tunnel) { struct xfrm_state *t =3D x->tunnel; @@ -3096,6 +3095,7 @@ static void xfrm_state_delete_tunnel(struct xfrm_stat= e *x) x->tunnel =3D NULL; } } +EXPORT_SYMBOL(xfrm_state_delete_tunnel); =20 u32 xfrm_state_mtu(struct xfrm_state *x, int mtu) { diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 010c9e6638c0..7f769617882c 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1031,6 +1031,7 @@ static int xfrm_add_sa(struct sk_buff *skb, struct nl= msghdr *nlh, if (err < 0) { x->km.state =3D XFRM_STATE_DEAD; xfrm_dev_state_delete(x); + xfrm_state_delete_tunnel(x); __xfrm_state_put(x); goto out; } --=20 2.34.1