From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C10F824C098; Tue, 29 Apr 2025 17:28:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745947691; cv=none; b=qZPrDVv4zSkL/oTr5b1unD5qrYH+4AqLk0XiMo6rQEHwda48TOvk7mw91wALJZh9QT6c3BA3B+8kI7zHQ6/F1fd1byQKANJh5AluZBs0XfII2zlDsqVLdf16CrcuqvO4V43UrIyPD2NuYTLpzepIj97QWDy3Ic+UC3V7IglnrNM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745947691; c=relaxed/simple; bh=p8gbg2jOKpX6fxMe4XPINKyc41oLkJX6C4HYv6WC8Sk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sAVsh9lMyL21rIYQKIu91tyIc2rCL/8flbEW7iskoop6UDaa6f3UrP9D8CxLirqu3H/nw+nxrh2h9JjK/HthTf3UUYKMpPFM4QE1QyNJpiQFkC4xaHv+V/FWNValz4IBFNl0mi3fkZ+s4/3uX7ItUJRBETkN0UKnw1E4OPfjT74= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=yiCIzmYX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="yiCIzmYX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47E06C4CEEE; Tue, 29 Apr 2025 17:28:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745947691; bh=p8gbg2jOKpX6fxMe4XPINKyc41oLkJX6C4HYv6WC8Sk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yiCIzmYXULBlIxQKFoijgKDicEiT9DsSNnWiTT43AuO4MuFYVacns5YDsexTiTH3c RSYo7lW0aELo6kroGocHQs2iDpnVD+EXItCZnxLUJ0PVSb0q4g1MjZ45jp1O8JteSG XSA+W1iKyDtAKmrWx/+mmNOViIapO5HBaOHyW7fs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Namjae Jeon , Steve French , Sasha Levin Subject: [PATCH 6.12 037/280] ksmbd: add netdev-up/down event debug print Date: Tue, 29 Apr 2025 18:39:38 +0200 Message-ID: <20250429161116.639916303@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250429161115.008747050@linuxfoundation.org> References: <20250429161115.008747050@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Namjae Jeon [ Upstream commit 5f3f274e2ce68999b49901de4794c4b04125b154 ] Add netdev-up/down event debug print to find what netdev is connected or disconnected. Signed-off-by: Namjae Jeon Signed-off-by: Steve French Stable-dep-of: 21a4e47578d4 ("ksmbd: fix use-after-free in __smb2_lease_break_noti()") Signed-off-by: Sasha Levin --- fs/smb/server/transport_tcp.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c index cc77ad4f765a9..0d9007285e30b 100644 --- a/fs/smb/server/transport_tcp.c +++ b/fs/smb/server/transport_tcp.c @@ -521,6 +521,8 @@ static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event, found = 1; if (iface->state != IFACE_STATE_DOWN) break; + ksmbd_debug(CONN, "netdev-up event: netdev(%s) is going up\n", + iface->name); ret = create_socket(iface); if (ret) return NOTIFY_OK; @@ -531,6 +533,8 @@ static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event, iface = alloc_iface(kstrdup(netdev->name, KSMBD_DEFAULT_GFP)); if (!iface) return NOTIFY_OK; + ksmbd_debug(CONN, "netdev-up event: netdev(%s) is going up\n", + iface->name); ret = create_socket(iface); if (ret) break; @@ -540,6 +544,8 @@ static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event, list_for_each_entry(iface, &iface_list, entry) { if (!strcmp(iface->name, netdev->name) && iface->state == IFACE_STATE_CONFIGURED) { + ksmbd_debug(CONN, "netdev-down event: netdev(%s) is going down\n", + iface->name); tcp_stop_kthread(iface->ksmbd_kthread); iface->ksmbd_kthread = NULL; mutex_lock(&iface->sock_release_lock); -- 2.39.5