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kernel_optimize_test/drivers/ata
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Sergey Shtylyov 36cd19e7d4 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 14:13:14 +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: Add back regulators management 2021-03-04 11:37:45 +01:00
ahci_ceva.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
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 2021-07-19 09:44:59 +02:00
ahci_tegra.c ahci: tegra: use regulator_bulk_set_supply_names() 2019-10-25 14:26:41 -06:00
ahci_xgene.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
ahci.c ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile 2021-12-08 09:03:19 +01:00
ahci.h ata: ahci: Disable SXS for Hisilicon Kunpeng920 2021-05-11 14:47:26 +02:00
ata_generic.c
ata_piix.c ata_piix: remove open-coded dmi_match(DMI_OEM_STRING) 2019-11-06 20:34:25 -07:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
libahci_platform.c ata: ahci_platform: fix null-ptr-deref in ahci_platform_enable_regulators() 2021-10-20 11:45:05 +02:00
libahci.c ata: ahci: Disable SXS for Hisilicon Kunpeng920 2021-05-11 14:47:26 +02:00
libata-acpi.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
libata-core.c ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo() 2022-06-22 14:13:14 +02:00
libata-eh.c libata: fix read log timeout value 2021-11-18 14:03:37 +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 libata: Return correct status in sata_pmp_eh_recover_pm() when ATA_DFLAG_DETACH is set 2020-04-07 14:45:15 -06:00
libata-sata.c ata: move ata_eh_analyze_ncq_error() & co. to libata-sata.c 2020-03-26 10:28:20 -06:00
libata-scsi.c libata: if T_LENGTH is zero, dma direction should be DMA_NONE 2021-12-22 09:30:58 +01:00
libata-sff.c libata: fix ata_pio_sector for CONFIG_HIGHMEM 2021-08-12 13:22:19 +02:00
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 18:32:45 +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 treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_ali.c
pata_amd.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_arasan_cf.c pata_arasan_cf: fix IRQ check 2021-05-14 09:50:24 +02:00
pata_artop.c ata: pata_artop: make arrays static const, makes object smaller 2019-11-08 07:26:31 -07:00
pata_atiixp.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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 libata: switch remaining drivers to use dma_set_mask_and_coherent 2019-08-26 13:58:59 -06:00
pata_cs5530.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
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 treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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 2021-07-14 16:56:04 +02:00
pata_falcon.c m68k/atari: Convert Falcon IDE drivers to platform drivers 2019-11-18 10:18:59 +01:00
pata_ftide010.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_gayle.c ata: add Amiga Gayle PATA controller driver 2018-03-19 07:41:36 -07:00
pata_hpt3x2n.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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 19:09:31 +01:00
pata_hpt366.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_icside.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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
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_ipx4xx_cf: fix IRQ check 2021-05-14 09:50:24 +02:00
pata_jmicron.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_legacy.c pata_legacy: fix a couple uninitialized variable bugs 2021-10-20 11:45:04 +02:00
pata_macio.c ata: pata_macio: fix comparing pointer to 0 2020-01-22 10:31:55 -07:00
pata_marvell.c ata: pata_marvell: Check the 'bmdma_addr' beforing reading 2022-04-27 13:53:54 +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: pata_ns87415.c: Document support on parisc with superio chip 2020-10-23 20:23:47 +02:00
pata_octeon_cf.c ata: pata_octeon_cf: Fix refcount leak in octeon_cf_probe 2022-06-14 18:32:39 +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 treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_optidma.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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 treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_pdc2027x.c libata: switch remaining drivers to use dma_set_mask_and_coherent 2019-08-26 13:58:59 -06:00
pata_piccolo.c
pata_platform.c ata: pata_platform: Add IRQF_SHARED to IRQ flags 2019-02-08 06:42:55 -07:00
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 pata_rb532_cf: fix deferred probing 2021-07-14 16:56:03 +02:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
pata_sch.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 300 2019-06-05 17:37:00 +02:00
pata_serverworks.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
pata_sil680.c libata: switch remaining drivers to use dma_set_mask_and_coherent 2019-08-26 13:58:59 -06:00
pata_sis.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_sl82c105.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pata_triflex.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
pata_via.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
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 21:01:09 +02:00
sata_fsl.c sata_fsl: fix warning in remove_proc_entry when rmmod sata_fsl 2021-12-08 09:03:21 +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 2021-07-14 16:56:03 +02:00
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() 2021-11-02 19:48:19 +01:00
sata_nv.c ata: sata_nv: Fix retrieving of active qcs 2020-10-28 07:58:09 -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_sil.c ata: make qc_prep return ata_completion_errors 2019-11-01 08:50:51 -06:00
sata_sil24.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