Attachment 17999 Details for Bug 15433 – 4.18 patch

[patch] 4.18 patch

4.18.patch (text/plain), 1.87 KB, created by Pavel Filipenský on 2023-07-25 13:01:51 UTC

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Creator: Pavel Filipenský

Created: 2023-07-25 13:01:51 UTC

Size: 1.87 KB

patch

obsolete

>From 01d57a744a9e275409c0fd4168971629e5903935 Mon Sep 17 00:00:00 2001
>From: =?UTF-8?q?Pavel=20Filipensk=C3=BD?= <pfilipensky@samba.org>
>Date: Tue, 25 Jul 2023 11:16:56 +0200
>Subject: [PATCH] s3:winbindd: Fix double close(fd)
>MIME-Version: 1.0
>Content-Type: text/plain; charset=UTF-8
>Content-Transfer-Encoding: 8bit
>
>Reported by Red Hat internal coverity
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=15433
>
>Signed-off-by: Pavel FilipenskÃ½ <pfilipensky@samba.org>
>Reviewed-by: Ralph Boehme <slow@samba.org>
>
>Autobuild-User(master): Pavel Filipensky <pfilipensky@samba.org>
>Autobuild-Date(master): Tue Jul 25 12:08:49 UTC 2023 on atb-devel-224
>---
> source3/winbindd/winbindd_cm.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
>diff --git a/source3/winbindd/winbindd_cm.c b/source3/winbindd/winbindd_cm.c
>index 4aaa67521ee..0d0d4d41601 100644
>--- a/source3/winbindd/winbindd_cm.c
>+++ b/source3/winbindd/winbindd_cm.c
>@@ -708,6 +708,7 @@ static NTSTATUS cm_prepare_connection(struct winbindd_domain *domain,
> 			 * connect to a foreign domain
> 			 * without a direct outbound trust.
> 			 */
>+			close(sockfd);
> 			return NT_STATUS_NO_TRUST_LSA_SECRET;
> 		}
> 
>@@ -761,6 +762,13 @@ static NTSTATUS cm_prepare_connection(struct winbindd_domain *domain,
> 		goto done;
> 	}
> 
>+	/*
>+	 * cm_prepare_connection() is responsible that sockfd does not leak.
>+	 * Once cli_state_create() returns with success, the
>+	 * smbXcli_conn_destructor() makes sure that close(sockfd) is finally
>+	 * called. Till that, close(sockfd) must be called on every unsuccessful
>+	 * return.
>+	 */
> 	*cli = cli_state_create(NULL, sockfd, controller,
> 				smb_sign_client_connections, flags);
> 	if (*cli == NULL) {
>@@ -1749,8 +1757,6 @@ static NTSTATUS cm_open_connection(struct winbindd_domain *domain,
> 		if (NT_STATUS_IS_OK(result)) {
> 			break;
> 		}
>-		close(fd);
>-		fd = -1;
> 		if (!retry) {
> 			break;
> 		}
>-- 
>2.41.0
>

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