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 1BBAC3559D4; Wed, 3 Dec 2025 16:35:39 +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=1764779739; cv=none; b=Lx0Mlt+0Tb8TujwM1XcKLjysyjmp8kSlFJMj+e8kPxgCFPTg+oSDY9AYJGCHQxFbPK2oD31Cu2qZGLpVjdtGFY++ihYsWOYcVah0f/I+DoNaobsIzUumB8Ov2pBGqflPURECeT+HzU/r6uWW8Ljo4y0MCposfvsTAKWSnazQ5U4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764779739; c=relaxed/simple; bh=IWkp5zhPGdyFt4pA06q/yjVSGTYwFQiqlOweqmPX96U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mcMeSqAU3w3o5P9dr2BFEuUTRGmOWpvAlXVOGHNJjt00M4hgcNS7Bd4N0V8sDtp2yEbc19/rmBmuOW7GAr+QgnZlHPU3W0vOYACsLi4f7gPG9ua4LrZFd730f7R+Ewb2YIvw5XdNALAhKWOdj98bmczKUbDAXerDt6jgpLYSQM4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PprgLXGq; 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="PprgLXGq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8FD91C4CEF5; Wed, 3 Dec 2025 16:35:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764779739; bh=IWkp5zhPGdyFt4pA06q/yjVSGTYwFQiqlOweqmPX96U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PprgLXGq78Ka9Shb1NI0hJIAjgnppjTgSQXkjc7fGqZElF5YDCTRLpM0ibq9pgiH1 DjsNCA52rcdqYuFJc+NFC07prbzMApK9Obx2yDO9+zjabiof32X5z2Tp28b0gE4qAZ XNzmXZH1JUOyZB6gHn+mi7E7bC91ALL4XVsHltwY= 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 6.1 345/568] smb/server: fix possible refcount leak in smb2_sess_setup() Date: Wed, 3 Dec 2025 16:25:47 +0100 Message-ID: <20251203152453.340364925@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152440.645416925@linuxfoundation.org> References: <20251203152440.645416925@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-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 173135f6f7dbf..e3ea06aab8c1b 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -1796,6 +1796,7 @@ 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