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 D3B48350A2A; Fri, 21 Nov 2025 13:55:13 +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=1763733314; cv=none; b=T4bHVWgqgpg6SuRVOytq+wGfh97AK9p/DnOxWNhnynpxMpipN+XhgV2XUmgEuqHFCIrSrCJa1Xq7RaCSHg/MD8UuQGfBhLHnjNV0MiiiJ0pNtL7GMtUEQsEvJ7/SSsR3r/feEV33S4TQ2stWHXoFLr2Qto/yNGstlV8HrIFg5OA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763733314; c=relaxed/simple; bh=tmhOkKadNlfFx6xf8M/7wVM8e2lVe4m+6GocpCzzvV0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EITOp7Cw4SiVQir3AYtUl+P/DSehdgMS+waw2ukT2GY6p1a0utJrOhr1WfrYahNpVYfr9J8H4WjNZaf8tfwo+Ot9Ag7F6ClpPbnCGBmqrHOymJq52P2LjBM/bYL6mLzHjsc7YsKv3irJqOibbt8chR7UniVwTo9gbLsMDhcJFiQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=sp2f8X4Q; 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="sp2f8X4Q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57D84C4CEF1; Fri, 21 Nov 2025 13:55:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1763733312; bh=tmhOkKadNlfFx6xf8M/7wVM8e2lVe4m+6GocpCzzvV0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sp2f8X4QVrLDmROFg1+PQnNSfVlcD/oithDSKQQnKtPJpsnnnZrNmCpzOEQVGRt3e mBWn8S7X+nzSTRm5M2/Zh/wrJXkSjnRIeOjYxMHoCLMAdzqRC/Aa/pgyh7OJ5v8sJq CbLEKkylUu8gkVaQZsRB+OjFaM+MqSP0T5tu9uok= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, ChenXiaoSong , ZhangGuoDong , Namjae Jeon , Steve French , Sasha Levin Subject: [PATCH 6.6 392/529] smb/server: fix possible refcount leak in smb2_sess_setup() Date: Fri, 21 Nov 2025 14:11:31 +0100 Message-ID: <20251121130244.970144238@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251121130230.985163914@linuxfoundation.org> References: <20251121130230.985163914@linuxfoundation.org> User-Agent: quilt/0.69 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 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: ZhangGuoDong [ Upstream commit 379510a815cb2e64eb0a379cb62295d6ade65df0 ] Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put(). Co-developed-by: ChenXiaoSong Signed-off-by: ChenXiaoSong Signed-off-by: ZhangGuoDong Acked-by: Namjae Jeon Signed-off-by: Steve French Signed-off-by: Sasha Levin --- fs/smb/server/smb2pdu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index b3fa983a522fb..9f64808c7917c 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -1793,6 +1793,7 @@ int smb2_sess_setup(struct ksmbd_work *work) if (ksmbd_conn_need_reconnect(conn)) { rc = -EFAULT; + ksmbd_user_session_put(sess); sess = NULL; goto out_err; } -- 2.51.0