From: Sasha Levin <sashal@kernel.org> To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Colin Ian King <colin.king@canonical.com>, Deepak Rawat <drawat@vmware.com>, Thomas Hellstrom <thellstrom@vmware.com>, Sasha Levin <sashal@kernel.org>, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.14 40/44] drm/vmwgfx: fix memory leak when too many retries have occurred Date: Tue, 13 Aug 2019 22:18:29 -0400 Message-ID: <20190814021834.16662-40-sashal@kernel.org> (raw) In-Reply-To: <20190814021834.16662-1-sashal@kernel.org> From: Colin Ian King <colin.king@canonical.com> [ Upstream commit 6b7c3b86f0b63134b2ab56508921a0853ffa687a ] Currently when too many retries have occurred there is a memory leak on the allocation for reply on the error return path. Fix this by kfree'ing reply before returning. Addresses-Coverity: ("Resource leak") Fixes: a9cd9c044aa9 ("drm/vmwgfx: Add a check to handle host message failure") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Deepak Rawat <drawat@vmware.com> Signed-off-by: Deepak Rawat <drawat@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/vmwgfx/vmwgfx_msg.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c index 97000996b8dc5..50cc060cc552a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c @@ -300,8 +300,10 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg, break; } - if (retries == RETRIES) + if (retries == RETRIES) { + kfree(reply); return -EINVAL; + } *msg_len = reply_len; *msg = reply; -- 2.20.1
next prev parent reply index Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-14 2:17 [PATCH AUTOSEL 4.14 01/44] iio: adc: max9611: Fix misuse of GENMASK macro Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 02/44] HID: Add 044f:b320 ThrustMaster, Inc. 2 in 1 DT Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 03/44] MIPS: kernel: only use i8253 clocksource with periodic clockevent Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 04/44] mips: fix cacheinfo Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 05/44] netfilter: ebtables: fix a memory leak bug in compat Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 06/44] ASoC: dapm: Fix handling of custom_stop_condition on DAPM graph walks Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 07/44] bonding: Force slave speed check after link state recovery for 802.3ad Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 08/44] can: dev: call netif_carrier_off() in register_candev() Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 09/44] ASoC: Fail card instantiation if DAI format setup fails Sasha Levin 2019-08-14 2:17 ` [PATCH AUTOSEL 4.14 10/44] st21nfca_connectivity_event_received: null check the allocation Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 11/44] st_nci_hci_connectivity_event_received: " Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 12/44] ASoC: ti: davinci-mcasp: Correct slot_width posed constraint Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 13/44] net: usb: qmi_wwan: Add the BroadMobi BM818 card Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 14/44] qed: RDMA - Fix the hw_ver returned in device attributes Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 15/44] isdn: mISDN: hfcsusb: Fix possible null-pointer dereferences in start_isoc_chain() Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 16/44] netfilter: ipset: Fix rename concurrency with listing Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 17/44] netfilter: ebtables: also count base chain policies Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 18/44] driver core: Fix use-after-free and double free on glue directory Sasha Levin 2019-08-14 7:37 ` Greg Kroah-Hartman 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 19/44] isdn: hfcsusb: Fix mISDN driver crash caused by transfer buffer on the stack Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 20/44] perf bench numa: Fix cpu0 binding Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 21/44] Input: kbtab - sanity check for endpoint type Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 22/44] net: usb: pegasus: fix improper read if get_registers() fail Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 23/44] can: sja1000: force the string buffer NULL-terminated Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 24/44] can: peak_usb: " Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 25/44] net/ethernet/qlogic/qed: " Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 26/44] NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim() Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 27/44] HID: holtek: test for sanity of intfdata Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 28/44] HID: input: fix a4tech horizontal wheel custom usage Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 29/44] SMB3: Kernel oops mounting a encryptData share with CONFIG_DEBUG_VIRTUAL Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 30/44] HID: hiddev: avoid opening a disconnected device Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 31/44] HID: hiddev: do cleanup in failure of opening a device Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 32/44] Input: iforce - add sanity checks Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 33/44] net: cxgb3_main: Fix a resource leak in a error path in 'init_one()' Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 34/44] net: hisilicon: make hip04_tx_reclaim non-reentrant Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 35/44] net: hisilicon: fix hip04-xmit never return TX_BUSY Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 36/44] net: hisilicon: Fix dma_map_single failed on arm64 Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 37/44] libata: have ata_scsi_rw_xlat() fail invalid passthrough requests Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 38/44] libata: add SG safety checks in SFF pio transfers Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 39/44] x86/lib/cpu: Address missing prototypes warning Sasha Levin 2019-08-14 2:18 ` Sasha Levin [this message] 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 41/44] perf ftrace: Fix failure to set cpumask when only one cpu is present Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 42/44] perf cpumap: Fix writing to illegal memory in handling cpumap mask Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 43/44] perf pmu-events: Fix missing "cpu_clk_unhalted.core" event Sasha Levin 2019-08-14 2:18 ` [PATCH AUTOSEL 4.14 44/44] selftests: kvm: Adding config fragments Sasha Levin
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