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linux/drivers/ata
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Sergey Shtylyov ff128fbea7 ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo() 
[ Upstream commit bf476fe22aa1851bab4728e0c49025a6a0bea307 ]

In an unlikely (and probably wrong?) case that the 'ppi' parameter of
ata_host_alloc_pinfo() points to an array starting with a NULL pointer,
there's going to be a kernel oops as the 'pi' local variable won't get
reassigned from the initial value of NULL. Initialize 'pi' instead to
'&ata_dummy_port_info' to fix the possible kernel oops for good...

Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.

Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-22 14:21:56 +02:00
..
acard-ahci.c
ata/acard_ahci: remove unused variable n_elem
2020-01-22 10:32:51 -07:00
ahci_brcm.c
ata: ahci_brcm: Fix use of BCM7216 reset controller
2021-05-03 13:15:04 -05:00
ahci_ceva.c
ata: ahci: ceva: Updated code by using dev_err_probe()
2021-04-06 09:25:01 -06:00
ahci_da850.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45
2019-05-24 17:27:12 +02:00
ahci_dm816.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45
2019-05-24 17:27:12 +02:00
ahci_imx.c
ata: ahci-imx: remove redundant assignment to ret
2020-04-07 14:49:45 -06:00
ahci_mtk.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
ahci_mvebu.c
ata: ahci: mvebu: Make SATA PHY optional for Armada 3720
2020-10-09 12:47:56 -06:00
ahci_octeon.c
…
ahci_platform.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45
2019-05-24 17:27:12 +02:00
ahci_qoriq.c
ahci: qoriq: enable acpi support in qoriq ahci driver
2020-10-02 14:53:37 -06:00
ahci_seattle.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 235
2019-06-19 17:09:07 +02:00
ahci_st.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
ahci_sunxi.c
ata: ahci_sunxi: Disable DIPM
2021-06-14 08:26:54 -06:00
ahci_tegra.c
ata: ahci_tegra: call tegra_powergate_power_off only when PM domain is not present
2021-04-11 20:35:08 -06:00
ahci_xgene.c
ata: ahci_xgene: Fix incorrect naming of 'xgene_ahci_handle_broken_edge_irq()'s 'host' param
2021-03-12 07:28:30 -07:00
ahci.c
ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile
2021-12-08 09:04:40 +01:00
ahci.h
ata: ahci: Ensure initialised fields are not overwritten in AHCI_SHT()
2021-06-16 06:50:25 -06:00
ata_generic.c
ata: ata_generic: Fix misspelling of 'ata_generic_init_one()'
2021-03-30 20:21:26 -06:00
ata_piix.c
ata_piix: remove open-coded dmi_match(DMI_OEM_STRING)
2019-11-06 20:34:25 -07:00
Kconfig
ARM: SoC changes for 5.14
2021-07-10 09:22:44 -07:00
libahci_platform.c
ata: ahci_platform: fix null-ptr-deref in ahci_platform_enable_regulators()
2021-10-14 12:22:47 +09:00
libahci.c
ata: libahci: Adjust behavior when StorageD3Enable _DSD is set
2021-12-08 09:04:40 +01:00
libata-acpi.c
ata: libata-acpi: Fix function name and provide description for 'prev_gtf'
2021-03-30 20:21:26 -06:00
libata-core.c
ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()
2022-06-22 14:21:56 +02:00
libata-eh.c
libata: fix read log timeout value
2021-11-18 19:15:51 +01:00
libata-pata-timings.c
ata: separate PATA timings code from libata-core.c
2020-03-26 10:28:19 -06:00
libata-pmp.c
ata: libata-pmp: Fix misspelling of 'val'
2021-03-12 07:28:30 -07:00
libata-sata.c
libata: Introduce ncq_prio_supported sysfs sttribute
2021-08-18 07:19:39 -06:00
libata-scsi.c
libata: if T_LENGTH is zero, dma direction should be DMA_NONE
2021-12-22 09:32:49 +01:00
libata-sff.c
libata: fix ata_pio_sector for CONFIG_HIGHMEM
2021-07-09 08:28:20 -06:00
libata-trace.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
libata-transport.c
ata: libata-transport: fix {dma|pio|xfer}_mode sysfs files
2022-06-14 18:36:25 +02:00
libata-transport.h
…
libata-zpodd.c
libata: zpodd: Fix small read overflow in zpodd_get_mech_type()
2019-07-29 16:00:14 -06:00
libata.h
ata: make "libata.force" kernel parameter optional
2020-03-26 10:28:20 -06:00
Makefile
ata: start separating SATA specific code from libata-core.c
2020-03-26 10:28:19 -06:00
pata_acpi.c
ata: pata_acpi: Fix some incorrect function param descriptions
2021-03-30 20:21:26 -06:00
pata_ali.c
ata: pata_ali: Supply description for 'ali_20_filter()'s 'mask' param
2021-03-12 07:28:30 -07:00
pata_amd.c
ata: pata_amd: Fix incorrectly named function in the header
2021-03-12 07:28:30 -07:00
pata_arasan_cf.c
pata_arasan_cf: fix IRQ check
2021-03-26 17:13:02 -06:00
pata_artop.c
ata: pata_artop: Repair possible copy/paste issue in 'artop_6210_qc_defer()'s header
2021-03-12 07:28:30 -07:00
pata_atiixp.c
ata: pata_atiixp: Avoid overwriting initialised field in 'atiixp_sht'
2021-06-16 06:50:25 -06:00
pata_atp867x.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pata_bk3710.c
…
pata_buddha.c
ata/pata_buddha: Probe via modalias instead of initcall
2019-08-23 06:58:50 -06:00
pata_cmd64x.c
pata_cmd64x: Use fallthrough pseudo-keyword
2020-10-02 17:51:30 -06:00
pata_cmd640.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_cs5520.c
ata: pata_cs5520: Avoid overwriting initialised field in 'cs5520_sht'
2021-06-16 06:50:25 -06:00
pata_cs5530.c
ata: pata_cs5530: Avoid overwriting initialised field in 'cs5530_sht'
2021-06-16 06:50:25 -06:00
pata_cs5535.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
pata_cs5536.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
pata_cypress.c
pata_cypress: add a module option to disable BM-DMA
2021-06-16 08:52:38 -06:00
pata_efar.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_ep93xx.c
pata_ep93xx: fix deferred probing
2021-05-27 13:03:48 -06:00
pata_falcon.c
scsi: ata: Use scsi_cmd_to_rq() instead of scsi_cmnd.request
2021-08-11 22:25:37 -04:00
pata_ftide010.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_gayle.c
…
pata_hpt3x2n.c
ata: pata_hpt3x2n: Fix possible doc-rotted function name
2021-03-12 07:28:31 -07:00
pata_hpt3x3.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
pata_hpt37x.c
ata: pata_hpt37x: fix PCI clock detection
2022-03-08 19:12:33 +01:00
pata_hpt366.c
ata: pata_hpt366: Provide missing description for 'hpt366_filter()'s 'mask' param
2021-03-12 07:28:30 -07:00
pata_icside.c
ata: Avoid comma separated statements
2021-01-31 08:05:46 -07:00
pata_imx.c
Merge branch 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2018-08-24 13:20:33 -07:00
pata_isapnp.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_it821x.c
ata: pata_it821x: Fix possible doc-rotted function names
2021-03-30 20:21:25 -06:00
pata_it8213.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_ixp4xx_cf.c
pata: ixp4xx: Rewrite to use device tree
2021-08-04 12:20:44 +02:00
pata_jmicron.c
ata: pata_jmicron: Fix incorrectly documented function parameter
2021-03-12 07:28:31 -07:00
pata_legacy.c
pata_legacy: fix a couple uninitialized variable bugs
2021-10-12 09:52:35 +09:00
pata_macio.c
ata: pata_macio: Avoid overwriting initialised field in 'pata_macio_sht'
2021-06-16 06:50:26 -06:00
pata_marvell.c
ata: pata_marvell: Check the 'bmdma_addr' beforing reading
2022-04-27 14:38:58 +02:00
pata_mpc52xx.c
…
pata_mpiix.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_netcell.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_ninja32.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
pata_ns87410.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
pata_ns87415.c
ata: Trivial spelling fixes in the file pata_ns87415.c
2021-03-12 07:28:31 -07:00
pata_octeon_cf.c
ata: pata_octeon_cf: Fix refcount leak in octeon_cf_probe
2022-06-14 18:36:16 +02:00
pata_of_platform.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pata_oldpiix.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_opti.c
ata: pata_opti: Fix spelling issue of 'val' in 'opti_write_reg()'
2021-03-30 20:21:26 -06:00
pata_optidma.c
ata: pata_optidma: Fix a function misnaming, a formatting issue and a missing description
2021-03-12 07:28:31 -07:00
pata_palmld.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pata_pcmcia.c
pata_pcmia: add SanDisk High (>8G) CF card to supported list
2020-01-29 20:54:51 -07:00
pata_pdc202xx_old.c
ata: pata_pdc202xx_old: Fix some incorrectly named functions
2021-03-30 20:21:25 -06:00
pata_pdc2027x.c
ata: pata_pdc2027x: Fix some incorrect function names and parameter docs
2021-03-12 07:28:31 -07:00
pata_piccolo.c
ata: pata_piccolo: 'ata_tosh_init()' is misnamed in its header
2021-03-30 20:21:25 -06:00
pata_platform.c
pata_platform: Document `pio_mask' module parameter
2021-04-06 09:27:30 -06:00
pata_pxa.c
ata: make qc_prep return ata_completion_errors
2019-11-01 08:50:51 -06:00
pata_radisys.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_rb532_cf.c
ata: rb532_cf: remove redundant codes
2021-06-24 18:49:01 -06:00
pata_rdc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
pata_rz1000.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_samsung_cf.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pata_sc1200.c
ata: pata_sc1200: sc1200_sht'Avoid overwriting initialised field in '
2021-06-16 06:50:25 -06:00
pata_sch.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 300
2019-06-05 17:37:00 +02:00
pata_serverworks.c
ata: pata_serverworks: Avoid overwriting initialised field in 'serverworks_osb4_sht
2021-06-16 06:50:26 -06:00
pata_sil680.c
ata: pata_sil680: Add some missing function parameter docs
2021-03-30 20:21:25 -06:00
pata_sis.c
ata: pata_sis: Remove superfluous param description and supply another
2021-03-30 20:21:25 -06:00
pata_sl82c105.c
ata: pata_sl82c105: Fix potential doc-rot
2021-03-30 20:21:25 -06:00
pata_triflex.c
ata: pata_triflex: Repair some misnamed functions and fix some param descriptions
2021-03-30 20:21:25 -06:00
pata_via.c
ata: pata_via: Fix a kernel-doc formatting issue
2021-03-30 20:21:25 -06:00
pdc_adma.c
ata: make qc_prep return ata_completion_errors
2019-11-01 08:50:51 -06:00
sata_dwc_460ex.c
ata: sata_dwc_460ex: Fix crash due to OOB write
2022-04-13 20:59:23 +02:00
sata_fsl.c
sata_fsl: fix warning in remove_proc_entry when rmmod sata_fsl
2021-12-08 09:04:42 +01:00
sata_gemini.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
sata_gemini.h
…
sata_highbank.c
sata_highbank: fix deferred probing
2021-05-18 15:17:46 -06:00
sata_inic162x.c
ata: sata_inic162x fix a spelling issue
2020-04-23 09:59:30 -06:00
sata_mv.c
ata: sata_mv: Fix the error handling of mv_chip_id()
2021-10-25 08:53:04 +09:00
sata_nv.c
ata: sata_nv: Do not over-write initialise fields in 'nv_adma_sht' and 'nv_swncq_sht'
2021-06-16 06:50:25 -06:00
sata_promise.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sata_promise.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
sata_qstor.c
ata: make qc_prep return ata_completion_errors
2019-11-01 08:50:51 -06:00
sata_rcar.c
ata: sata_rcar: Fix DMA boundary mask
2020-10-16 09:32:11 -06:00
sata_sil24.c
ata: sata_sil24: Do not over-write initialise fields in 'sil24_sht'
2021-06-16 06:50:25 -06:00
sata_sil.c
ata: make qc_prep return ata_completion_errors
2019-11-01 08:50:51 -06:00
sata_sis.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
sata_svw.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
sata_sx4.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sata_uli.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
sata_via.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
sata_vsc.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
sis.h
…