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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	Sasha Levin <sashal@kernel.org>,
	MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org
Subject: [PATCH AUTOSEL 4.4 33/60] scsi: mpt3sas: Fix double free warnings
Date: Wed, 17 Jun 2020 21:29:37 -0400	[thread overview]
Message-ID: <20200618013004.610532-33-sashal@kernel.org> (raw)
In-Reply-To: <20200618013004.610532-1-sashal@kernel.org>

From: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>

[ Upstream commit cbbfdb2a2416c9f0cde913cf09670097ac281282 ]

Fix following warning from Smatch static analyser:

drivers/scsi/mpt3sas/mpt3sas_base.c:5256 _base_allocate_memory_pools()
warn: 'ioc->hpr_lookup' double freed

drivers/scsi/mpt3sas/mpt3sas_base.c:5256 _base_allocate_memory_pools()
warn: 'ioc->internal_lookup' double freed

Link: https://lore.kernel.org/r/20200508110738.30732-1-suganath-prabu.subramani@broadcom.com
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/mpt3sas/mpt3sas_base.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 7af7a0859478..8d52afd1f71d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -3136,7 +3136,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
 		ioc->scsi_lookup = NULL;
 	}
 	kfree(ioc->hpr_lookup);
+	ioc->hpr_lookup = NULL;
 	kfree(ioc->internal_lookup);
+	ioc->internal_lookup = NULL;
 	if (ioc->chain_lookup) {
 		for (i = 0; i < ioc->chain_depth; i++) {
 			if (ioc->chain_lookup[i].chain_buffer)
-- 
2.25.1


  parent reply	other threads:[~2020-06-18  1:33 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-18  1:29 [PATCH AUTOSEL 4.4 01/60] clk: sunxi: Fix incorrect usage of round_down() Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 02/60] i2c: piix4: Detect secondary SMBus controller on AMD AM4 chipsets Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 03/60] iio: light: isl29125: fix iio_triggered_buffer_{predisable,postenable} positions Sasha Levin
2020-06-19 16:31   ` Jonathan Cameron
2020-06-22  0:07     ` Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 04/60] clk: qcom: msm8916: Fix the address location of pll->config_reg Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 05/60] ALSA: isa/wavefront: prevent out of bounds write in ioctl Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 06/60] Smack: slab-out-of-bounds in vsscanf Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 07/60] scsi: qla2xxx: Fix issue with adapter's stopping state Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 08/60] i2c: pxa: clear all master action bits in i2c_pxa_stop_message() Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 09/60] usblp: poison URBs upon disconnect Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 10/60] ps3disk: use the default segment boundary Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 11/60] vfio/pci: fix memory leaks in alloc_perm_bits() Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 12/60] mfd: wm8994: Fix driver operation if loaded as modules Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 13/60] scsi: lpfc: Fix lpfc_nodelist leak when processing unsolicited event Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 14/60] powerpc/pseries: Update hv-24x7 information after migration Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 15/60] nfsd: Fix svc_xprt refcnt leak when setup callback client failed Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 16/60] powerpc/crashkernel: Take "mem=" option into account Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 17/60] yam: fix possible memory leak in yam_init_driver Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 18/60] fat: don't allow to mount if the FAT length == 0 Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 19/60] mksysmap: Fix the mismatch of '.L' symbols in System.map Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 20/60] scsi: sr: Fix sr_probe() missing deallocate of device minor Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 21/60] scsi: ibmvscsi: Don't send host info in adapter info MAD after LPM Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 22/60] staging: rtl8712: fix multiline derefernce warnings Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 23/60] iio: buffer: Don't allow buffers without any channels enabled to be activated Sasha Levin
2020-06-19 16:27   ` Jonathan Cameron
2020-06-22  0:07     ` Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 24/60] ALSA: usb-audio: Improve frames size computation Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 25/60] s390/qdio: put thinint indicator after early error Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 26/60] tty: hvc: Fix data abort due to race in hvc_open Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 27/60] staging: sm750fb: add missing case while setting FB_VISUAL Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 28/60] i2c: pxa: fix i2c_pxa_scream_blue_murder() debug output Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 29/60] serial: amba-pl011: Make sure we initialize the port.lock spinlock Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 30/60] drivers: base: Fix NULL pointer exception in __platform_driver_probe() if a driver developer is foolish Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 31/60] PCI/ASPM: Allow ASPM on links to PCIe-to-PCI/PCI-X Bridges Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 32/60] power: supply: smb347-charger: IRQSTAT_D is volatile Sasha Levin
2020-06-18  1:29 ` Sasha Levin [this message]
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 34/60] dlm: remove BUG() before panic() Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 35/60] clk: ti: composite: fix memory leak Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 36/60] tty: n_gsm: Fix SOF skipping Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 37/60] tty: n_gsm: Fix waking up upper tty layer when room available Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 38/60] powerpc/pseries/ras: Fix FWNMI_VALID off by one Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 39/60] powerpc/ps3: Fix kexec shutdown hang Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 40/60] vfio-pci: Mask cap zero Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 41/60] usb/ohci-platform: Fix a warning when hibernating Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 42/60] USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe() Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 43/60] tty: n_gsm: Fix bogus i++ in gsm_data_kick Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 44/60] clk: samsung: exynos5433: Add IGNORE_UNUSED flag to sclk_i2s1 Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 45/60] watchdog: da9062: No need to ping manually before setting timeout Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 46/60] usb: dwc2: gadget: move gadget resume after the core is in L0 state Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 47/60] USB: gadget: udc: s3c2410_udc: Remove pointless NULL check in s3c2410_udc_nuke Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 48/60] usb: gadget: lpc32xx_udc: don't dereference ep pointer before null check Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 49/60] usb: gadget: fix potential double-free in m66592_probe Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 50/60] vfio/pci: fix memory leaks of eventfd ctx Sasha Levin
2020-06-18  1:37   ` Alex Williamson
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 51/60] net: sunrpc: Fix off-by-one issues in 'rpc_ntop6' Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 52/60] ASoC: fsl_asrc_dma: Fix dma_chan leak when config DMA channel failed Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 53/60] openrisc: Fix issue with argument clobbering for clone/fork Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 54/60] gfs2: Allow lock_nolock mount to specify jid=X Sasha Levin
2020-06-18  1:29 ` [PATCH AUTOSEL 4.4 55/60] scsi: iscsi: Fix reference count leak in iscsi_boot_create_kobj Sasha Levin
2020-06-18  1:30 ` [PATCH AUTOSEL 4.4 56/60] lib/zlib: remove outdated and incorrect pre-increment optimization Sasha Levin
2020-06-18  1:30 ` [PATCH AUTOSEL 4.4 57/60] include/linux/bitops.h: avoid clang shift-count-overflow warnings Sasha Levin
2020-06-18  1:30 ` [PATCH AUTOSEL 4.4 58/60] elfnote: mark all .note sections SHF_ALLOC Sasha Levin
2020-06-18  1:30 ` [PATCH AUTOSEL 4.4 59/60] selftests/net: in timestamping, strncpy needs to preserve null byte Sasha Levin
2020-06-18  1:30 ` [PATCH AUTOSEL 4.4 60/60] scsi: acornscsi: Fix an error handling path in acornscsi_probe() Sasha Levin

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