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 15BD72690EC; Mon, 9 Feb 2026 14:48:41 +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=1770648521; cv=none; b=qXrWCbgPui06P1IdYWywA6cI8e6PPGMppcOMKlfSG2htoRkOqx1yHK+sVk3HRIEYpHOhs4D18Z9VT1nA57WJTwB2s4w5Ai1n1dyVTRFm1B3e6Xj7lylPd8PB62lUITk1fmBFpd1NnCK3m+Dg8BahxXO2bRjPleVXEAp115MITXA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770648521; c=relaxed/simple; bh=fZtOdK9xdb4ONPaEscBK4zVtzTCHyBJkaRIvr1Uudx8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JVRApGg6Igv+4fnhB5Iq3G+btSSliYWSJ5iac8AAZj6U5XU8LhEVtz9Cv2rJAv+tQCHE4A5lLcbH4RJNioDPigmR+0AlGjfhxvtj9XGWoPNpczAx7uAARQPuTwz3aNq2ED9I7f3KKAXs03FzEVgZY3IKZLTeIJ+ZXYlF2DEVk6Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KnbzWgFK; 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="KnbzWgFK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8818CC116C6; Mon, 9 Feb 2026 14:48:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1770648521; bh=fZtOdK9xdb4ONPaEscBK4zVtzTCHyBJkaRIvr1Uudx8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KnbzWgFKyUXRnbhUuFlixPurndn+tpW5pLUVfhCe0R8J1Bbk7LYhz1WCQcyNW67Ot EcLjFJw54eIWtOosFjeM8CKtdu0pcBEiYBi2hyM2E2vawnFmyvouqFMk4Y2bvCDVwD yIbW7vUDWSx4vgRg+zN5DNbNOmi66DiXh7cCpBEM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Namjae Jeon , ZhangGuoDong , ChenXiaoSong , Steve French , Sasha Levin Subject: [PATCH 6.6 28/86] smb/server: fix refcount leak in smb2_open() Date: Mon, 9 Feb 2026 15:23:51 +0100 Message-ID: <20260209142305.797755253@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260209142304.770150175@linuxfoundation.org> References: <20260209142304.770150175@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 f416c556997aa56ec4384c6b6efd6a0e6ac70aa7 ] When ksmbd_vfs_getattr() fails, the reference count of ksmbd_file must be released. Suggested-by: Namjae Jeon Signed-off-by: ZhangGuoDong Signed-off-by: ChenXiaoSong Acked-by: Namjae Jeon Signed-off-by: Steve French Signed-off-by: Sasha Levin --- fs/smb/server/smb2pdu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 19436ce8a4958..5cbe84938a729 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -2999,10 +2999,10 @@ int smb2_open(struct ksmbd_work *work) file_info = FILE_OPENED; rc = ksmbd_vfs_getattr(&fp->filp->f_path, &stat); + ksmbd_put_durable_fd(fp); if (rc) goto err_out2; - ksmbd_put_durable_fd(fp); goto reconnected_fp; } } else if (req_op_level == SMB2_OPLOCK_LEVEL_LEASE) -- 2.51.0