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[PATCH 4.9 80/88] Drivers: hv: vmbus: Dont leak channel ids

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject [PATCH 4.9 80/88] Drivers: hv: vmbus: Dont leak channel ids
Date 2017-03-28 15:00 +0200
Message-ID <tpYTa-7JQ-75@gated-at.bofh.it> (permalink)
References <tpYJs-7Cs-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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

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

From: K. Y. Srinivasan <kys@microsoft.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@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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;
 	}

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[PATCH 4.9 00/88] 4.9.19-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 23/88] Input: iforce - validate number of endpoints before using them Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 21/88] Input: elan_i2c - add ASUS EeeBook X205TA special touchpad fw Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 44/88] USB: usbtmc: add missing endpoint sanity check Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 79/88] intel_th: Dont leak module refcount on failure to activate Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 43/88] usb: hub: Fix crash after failure to read BOS descriptor Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 67/88] xen/acpi: upload PM state from init-domain to Xen Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 82/88] libceph: dont set weight to IN when OSD is destroyed Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 22/88] Input: i8042 - add noloop quirk for Dell Embedded Box PC 3000 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 72/88] cpufreq: Restore policy min/max limits on CPU online Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 24/88] Input: ims-pcu - validate number of endpoints before using them Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 01/88] net/openvswitch: Set the ipv6 source tunnel key address attribute correctly Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 47/88] uwb: hwa-rc: fix NULL-deref at probe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 50/88] iio: sw-device: Fix config group initialization Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 17/88] socket, bpf: fix sk_filter use after free in sk_clone_lock Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 41/88] USB: wusbcore: fix NULL-deref at probe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 42/88] usb: musb: cppi41: dont check early-TX-interrupt for Isoch transfer Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 39/88] USB: lvtest: fix NULL-deref at probe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 56/88] powerpc/64s: Fix idle wakeup potential to clobber registers Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 86/88] drm: reference count event->completion Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 85/88] nl80211: fix dumpit error path RTNL deadlocks Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 10/88] net/mlx5e: Use the proper UAPI values when offloading TC vlan actions Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 31/88] ALSA: ctxfi: Fix the incorrect check of dma_set_mask() call Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 53/88] parport: fix attempt to write duplicate procfiles Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 32/88] ALSA: hda - Adding a group of pin definition to fix headset problem Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 38/88] USB: uss720: fix NULL-deref at probe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 28/88] Input: kbtab - validate number of endpoints before using them Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 81/88] Drivers: hv: vmbus: Dont leak memory when a channel is rescinded Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 30/88] ALSA: seq: Fix racy cell insertions during snd_seq_pool_done() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 88/88] crypto: algif_hash - avoid zero-sized array Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 55/88] ext4: lock the xattr block before checksuming it Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 61/88] hwrng: amd - Revert managed API changes Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 14:50 +0200
  [PATCH 4.9 83/88] device-dax: fix pmd/pte fault fallback handling Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 45/88] USB: usbtmc: fix probe error path Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 84/88] drm/bridge: analogix dp: Fix runtime PM state on driver bind Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 62/88] hwrng: geode - Revert managed API changes Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 87/88] fbcon: Fix vc attr at deinit Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 66/88] crypto: ccp - Assign DMA commands to the channels CCP Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 48/88] mmc: ushc: fix NULL-deref at probe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 46/88] uwb: i1480-dfu: fix NULL-deref at probe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 80/88] Drivers: hv: vmbus: Dont leak channel ids Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:00 +0200
  [PATCH 4.9 08/88] net: vrf: Reset rt6i_idev in local dst after put Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 71/88] arm64: kaslr: Fix up the kernel image alignment Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 06/88] net: unix: properly re-increment inflight counter of GC discarded candidates Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 63/88] clk: sunxi-ng: sun6i: Fix enable bit offset for hdmi-ddc module clock Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 59/88] mmc: sdhci: Do not disable interrupts while waiting for clock Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 51/88] iio: hid-sensor-trigger: Change get poll value function order to avoid sensor properties losing after resume from S3 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 52/88] iio: magnetometer: ak8974: remove incorrect __exit markups Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 05/88] openvswitch: Add missing case OVS_TUNNEL_KEY_ATTR_PAD Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 78/88] jbd2: dont leak memory if setting up journal fails Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 58/88] mmc: sdhci-of-arasan: fix incorrect timeout clock Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 54/88] ext4: mark inode dirty after converting inline directory Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 73/88] cgroup, net_cls: iterate the fds of only the tasks which are being migrated Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 74/88] blk-mq: dont complete un-started request in timeout handler Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 40/88] USB: idmouse: fix NULL-deref at probe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 64/88] clk: sunxi-ng: mp: Adjust parent rate for pre-dividers Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 77/88] auxdisplay: img-ascii-lcd: add missing sentinel entry in img_ascii_lcd_matches Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 76/88] drm/amdgpu: reinstate oland workaround for sclk Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 09/88] net/mlx5: Add missing entries for set/query rate limit commands Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 57/88] mmc: sdhci-of-at91: Support external regulators Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 69/88] Revert "ARM: at91/dt: sama5d2: Use new compatible for ohci node" Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 65/88] mwifiex: pcie: dont leak DMA buffers when removing Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 68/88] iommu/vt-d: Fix NULL pointer dereference in device_to_iommu Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 37/88] usb-core: Add LINEAR_FRAME_INTR_BINTERVAL USB quirk Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 70/88] ARM: at91: pm: cpu_idle: switch DDR to power-down mode Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 49/88] iio: adc: ti_am335x_adc: fix fifo overrun recovery Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
  [PATCH 4.9 75/88] libceph: force GFP_NOIO for socket allocations Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:10 +0200
    Re: [PATCH 4.9 75/88] libceph: force GFP_NOIO for socket allocations Michal Hocko <mhocko@kernel.org> - 2017-03-29 10:20 +0200
  [PATCH 4.9 14/88] ipv6: make sure to initialize sockc.tsflags before first use Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 16/88] ipv4: provide stronger user input validation in nl_fib_input() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 02/88] net: bcmgenet: Do not suspend PHY if Wake-on-LAN is enabled Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 25/88] Input: hanwang - validate number of endpoints before using them Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 15/88] net: bcmgenet: remove bcmgenet_internal_phy_setup() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 04/88] amd-xgbe: Fix jumbo MTU processing on newer hardware Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 36/88] usb: gadget: f_uvc: Fix SuperSpeed companion descriptors wBytesPerInterval Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 29/88] Input: sur40 - validate number of endpoints before using them Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 03/88] net: properly release sk_frag.page Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 26/88] Input: yealink - validate number of endpoints before using them Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 12/88] net/mlx5e: Count GSO packets correctly Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 13/88] net/mlx5e: Count LRO packets correctly Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 33/88] USB: serial: option: add Quectel UC15, UC20, EC21, and EC25 modems Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 20/88] Input: ALPS - fix trackstick button handling on V8 devices Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 18/88] tcp: initialize icsk_ack.lrcvtime at session start time Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 19/88] Input: ALPS - fix V8+ protocol handling (73 03 28) Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  [PATCH 4.9 11/88] net/mlx5: Increase number of max QPs in default profile Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:20 +0200
  Re: [PATCH 4.9 00/88] 4.9.19-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2017-03-28 21:50 +0200
  Re: [PATCH 4.9 00/88] 4.9.19-stable review Guenter Roeck <linux@roeck-us.net> - 2017-03-29 06:50 +0200
  Re: [PATCH 4.9 00/88] 4.9.19-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-29 07:50 +0200

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