linux-kernel - [PATCH 4.10 101/111] Drivers: hv: vmbus: Dont leak channel ids

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20170328122919.820787517@linuxfoundation.org>
Date:   Tue, 28 Mar 2017 14:31:27 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, "K. Y. Srinivasan" <kys@...rosoft.com>
Subject: [PATCH 4.10 101/111] Drivers: hv: vmbus: Dont leak channel ids

4.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: K. Y. Srinivasan <kys@...rosoft.com>

commit 9a5476020a5f06a0fc6f17097efc80275d2f03cd upstream.

If we cannot allocate memory for the channel, free the relid
associated with the channel.

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hv/channel_mgmt.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -779,6 +779,7 @@ static void vmbus_onoffer(struct vmbus_c
 	/* Allocate the channel object and save this offer. */
 	newchannel = alloc_channel();
 	if (!newchannel) {
+		vmbus_release_relid(offer->child_relid);
 		pr_err("Unable to allocate channel object\n");
 		return;
 	}