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linux/drivers/misc
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Alexander Usyskin 4882a352b5 mei: use kvmalloc for read buffer 
[ Upstream commit 4adf613e01 ]

Read buffer is allocated according to max message size, reported by
the firmware and may reach 64K in systems with pxp client.
Contiguous 64k allocation may fail under memory pressure.
Read buffer is used as in-driver message storage and not required
to be contiguous.
Use kvmalloc to allow kernel to allocate non-contiguous memory.

Fixes: 3030dc0564 ("mei: add wrapper for queuing control commands.")
Cc: stable <stable@kernel.org>
Reported-by: Rohit Agarwal <rohiagar@chromium.org>
Closes: https://lore.kernel.org/all/20240813084542.2921300-1-rohiagar@chromium.org/
Tested-by: Brian Geffon <bgeffon@google.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Acked-by: Tomas Winkler <tomasw@gmail.com>
Link: https://lore.kernel.org/r/20241015123157.2337026-1-alexander.usyskin@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-11-08 16:28:26 +01:00
..
altera-stapl misc: add HAS_IOPORT dependencies 2023-05-29 15:05:00 +01:00
bcm-vk Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
c2port driver core: class: remove module * from class_create() 2023-03-17 15:16:33 +01:00
cardreader misc: rtsx: Fix some platforms can not boot and move the l1ss judgment to probe 2023-09-25 10:48:19 +02:00
cb710 cb710: avoid NULL pointer subtraction 2021-10-05 15:50:05 +02:00
cxl Char/Misc driver changes for 6.6-rc1 2023-09-01 09:53:54 -07:00
echo char: Replace HTTP links with HTTPS ones 2020-07-23 09:44:15 +02:00
eeprom eeprom: digsy_mtc: Fix 93xx46 driver probe failure 2024-09-18 19:24:07 +02:00
genwqe misc: genwqe: make class_genwqe a static const structure 2023-08-11 21:41:33 +02:00
ibmasm ibm: convert to ctime accessor functions 2023-07-13 10:28:02 +02:00
lis3lv02d misc: lis3lv02d_i2c: Fix regulators getting en-/dis-abled twice on suspend/resume 2024-04-03 15:28:43 +02:00
lkdtm lkdtm: Disable CFI checking for perms functions 2024-06-12 11:11:34 +02:00
mchp_pci1xxxx misc: microchip: pci1xxxx: add support for NVMEM_DEVID_AUTO for OTP device 2024-10-22 15:46:33 +02:00
mei mei: use kvmalloc for read buffer 2024-11-08 16:28:26 +01:00
ocxl mmu_notifiers: rename invalidate_range notifier 2023-08-18 10:12:41 -07:00
pvpanic misc/pvpanic-pci: register attributes via pci_driver 2024-06-12 11:12:35 +02:00
sgi-gru misc: sgi-gru: Don't disable preemption in GRU driver 2024-11-08 16:28:21 +01:00
sgi-xp sgi-xp: simplify sysctl registration 2023-03-09 17:32:13 +01:00
ti-st misc: st_core: Do not call kfree_skb() under spin_lock_irqsave() 2023-11-20 11:59:26 +01:00
uacce uacce: vma_close clears q->qfrs when freeing qfrs 2023-05-31 19:00:26 +01:00
vmw_vmci VMCI: Fix use-after-free when removing resource in vmci_resource_remove() 2024-09-12 11:11:41 +02:00
ad525x_dpot-i2c.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
ad525x_dpot-spi.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
ad525x_dpot.c misc: ad525x_dpot: Make ad_dpot_remove() return void 2021-10-13 14:35:37 +02:00
ad525x_dpot.h misc: ad525x_dpot: Make ad_dpot_remove() return void 2021-10-13 14:35:37 +02:00
apds990x.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
apds9802als.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
atmel-ssc.c misc: atmel-ssc: Use devm_platform_get_and_ioremap_resource() 2023-08-04 15:38:45 +02:00
bh1770glc.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
cs5535-mfgpt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
ds1682.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
dummy-irq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
dw-xdata-pcie.c misc: Add Synopsys DesignWare xData IP driver 2021-04-05 13:15:52 +02:00
enclosure.c drivers: remove struct module * setting from struct class 2023-03-17 15:16:27 +01:00
fastrpc.c misc: fastrpc: Fix double free of 'buf' in error path 2024-09-12 11:11:41 +02:00
gehc-achc.c misc: gehc: Add SPI ID table 2021-10-05 15:47:18 +02:00
hi6421v600-irq.c misc: hi6421-spmi-pmic: Remove redundant dev_err() 2023-08-04 15:39:10 +02:00
hisi_hikey_usb.c misc: hisi_hikey_usb: change the DT schema 2021-09-14 10:57:31 +02:00
hmc6352.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
hpilo.c misc: hpilo: make ilo_class a static const structure 2023-08-11 21:41:36 +02:00
hpilo.h misc: hpilo: map iLO shared memory by PCI revision id 2021-06-04 15:28:23 +02:00
ibmvmc.c ibm: convert to ctime accessor functions 2023-07-13 10:28:02 +02:00
ibmvmc.h misc: Use the correct style for SPDX License Identifier 2019-10-10 15:34:40 +02:00
ics932s401.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
isl29003.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
isl29020.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
Kconfig misc: open-dice: make OPEN_DICE depend on HAS_IOMEM 2023-08-04 15:39:42 +02:00
kgdbts.c kgdbts: fix return value of __setup handler 2022-03-18 14:17:56 +01:00
lattice-ecp3-config.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
Makefile misc: tps6594-pfsm: Add driver for TI TPS6594 PFSM 2023-06-15 13:41:53 +02:00
open-dice.c misc: open-dice: Fix spurious lockdep warning 2024-03-01 13:34:51 +01:00
pch_phub.c misc: pch_phub: Remove superfluous descriptions to non-existent args 'offset_address' 2020-07-01 15:05:37 +02:00
pci_endpoint_test.c misc: pci_endpoint_test: Add Device ID for R-Car S4-8 PCIe controller 2023-11-28 17:19:44 +00:00
phantom.c driver core: class: remove module * from class_create() 2023-03-17 15:16:33 +01:00
qcom-coincell.c misc: Explicitly include correct DT includes 2023-08-04 15:39:04 +02:00
smpro-errmon.c misc: smpro-errmon: Remove the unneeded include <linux/i2c.h> 2023-05-31 19:00:10 +01:00
smpro-misc.c misc: smpro-misc: Add Ampere's Altra SMpro misc driver 2022-11-10 19:03:03 +01:00
sram-exec.c mm: Introduce set_memory_rox() 2022-12-15 10:37:26 -08:00
sram.c misc: Explicitly include correct DT includes 2023-08-04 15:39:04 +02:00
sram.h misc: sram: Improve and simplify clk handling 2023-03-09 17:31:53 +01:00
tifm_7xx1.c misc: tifm: fix possible memory leak in tifm_7xx1_switch_media() 2022-11-23 19:55:26 +01:00
tifm_core.c driver core: make struct bus_type.uevent() take a const * 2023-01-27 13:45:52 +01:00
tps6594-esm.c Merge 6.5-rc6 into char-misc-next 2023-08-13 22:14:51 +02:00
tps6594-pfsm.c misc: tps6594: Remove redundant dev_err_probe() for platform_get_irq_byname() 2023-08-12 12:58:40 +02:00
tsl2550.c misc: Switch i2c drivers back to use .probe() 2023-05-29 15:04:52 +01:00
vcpu_stall_detector.c misc: Explicitly include correct DT includes 2023-08-04 15:39:04 +02:00
vmw_balloon.c misc: vmw_balloon: fix memory leak with using debugfs_lookup() 2023-02-08 13:24:22 +01:00
xilinx_sdfec.c misc: Explicitly include correct DT includes 2023-08-04 15:39:04 +02:00
xilinx_tmr_inject.c misc: Explicitly include correct DT includes 2023-08-04 15:39:04 +02:00
xilinx_tmr_manager.c misc: Explicitly include correct DT includes 2023-08-04 15:39:04 +02:00