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 5D69B3BD22B; Mon, 23 Mar 2026 16:19:57 +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=1774282797; cv=none; b=LgaGL4l0iuZyTRQk/+SBRqAdjAs5TLtpP3VzX7krVwZQ6R2OA8bv8ZFHK3HE2WDKNQtRpPXfRnJHGdnxio0pNg2/UZUCOrmqhdnlybqRmj/rje2ZfzLRn25zN1zYlr4i95gJcD8V/b/BgapsgngWCbJLoxpBEdKEm76054BSU4o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774282797; c=relaxed/simple; bh=fwxIFvcn+H1IbVd2tgHAN00KeCIOG6zRNM9n6KOyvjY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LE7GJfnQ4XbODTvDmO5JzreBnDRxxuuCFJFnFjJ/MOxFOsq50DapKx+c8pGKN4Pjs7+0X8ZY9XUhJ9zDaiax8Q8ZyVRXJx2z9WiU+o0M5jvVyuv3I+s5YMStBRj/lg5/dhM98Drwe0ywAAShB0OBj1DwZv08TxbhennznIGoPXc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=t/PMickK; 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="t/PMickK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9F36C4CEF7; Mon, 23 Mar 2026 16:19:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1774282797; bh=fwxIFvcn+H1IbVd2tgHAN00KeCIOG6zRNM9n6KOyvjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t/PMickKIJcUXW/wpMmwKN0I5VZFr/NQaNr0JqF+/Ua7kFkrSFirk31N/h+5erii+ a8ypVW/d1boOEnThWCeR8yIr2SSVfGnVhCRAjiHGvvJpqNdvUT3NhUJVTuQIQnLuII puJLSkUqIDbj3RphdXdgXzfKGpa+ldGBKlR22qqE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hyunwoo Kim , Namjae Jeon , Steve French Subject: [PATCH 6.1 290/481] ksmbd: unset conn->binding on failed binding request Date: Mon, 23 Mar 2026 14:44:32 +0100 Message-ID: <20260323134532.177697890@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260323134525.256603107@linuxfoundation.org> References: <20260323134525.256603107@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 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Namjae Jeon commit 282343cf8a4a5a3603b1cb0e17a7083e4a593b03 upstream. When a multichannel SMB2_SESSION_SETUP request with SMB2_SESSION_REQ_FLAG_BINDING fails ksmbd sets conn->binding = true but never clears it on the error path. This leaves the connection in a binding state where all subsequent ksmbd_session_lookup_all() calls fall back to the global sessions table. This fix it by clearing conn->binding = false in the error path. Cc: stable@vger.kernel.org Reported-by: Hyunwoo Kim Signed-off-by: Namjae Jeon Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/smb/server/smb2pdu.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -1936,6 +1936,7 @@ out_err: } } smb2_set_err_rsp(work); + conn->binding = false; } else { unsigned int iov_len;