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0568b376a0b13da6582bce1f2e2bbb2eae7fc266
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Joel Fernandes 0568b376a0 gpu: nova-core: use checked arithmetic in FWSEC firmware parsing 
Use checked_add() and checked_mul() when computing offsets from

firmware-provided values in new_fwsec().
Without checked arithmetic, corrupt firmware could cause integer
overflow. The danger is not just wrapping to a huge value, but
potentially wrapping to a small plausible offset that passes validation
yet accesses entirely wrong data, causing silent corruption or security
issues.

Reviewed-by: Zhi Wang <zhiw@nvidia.com>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260126202305.2526618-2-joelagnelf@nvidia.com
[acourbot@nvidia.com: rewrap commit message to make checkpatch happy.]
[acourbot@nvidia.com: add missing empty lines after new code blocks.]
[acourbot@nvidia.com: move SAFETY comments to the unsafe statement they
 describe.]
[acourbot@nvidia.com: remove obvious computation comments and use
`CALC:` for the remaining ones.]
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
2026-02-25 08:16:55 +09:00
..
accel
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accessibility
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acpi
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amba
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android
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ata
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atm
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auxdisplay
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base
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bcma
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block
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bluetooth
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bus
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cache
…
cdrom
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cdx
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char
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clk
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clocksource
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comedi
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connector
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counter
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cpufreq
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cpuidle
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crypto
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cxl
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dax
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2026-02-21 17:09:51 -08:00
dca
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
devfreq
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dibs
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dio
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dma
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dma-buf
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dpll
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edac
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eisa
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extcon
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firewire
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firmware
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fpga
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fsi
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fwctl
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gnss
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gpib
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2026-02-21 20:03:00 -08:00
gpio
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2026-02-21 20:03:00 -08:00
gpu
gpu: nova-core: use checked arithmetic in FWSEC firmware parsing
2026-02-25 08:16:55 +09:00
greybus
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hid
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hsi
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hte
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hv
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hwmon
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hwspinlock
Merge tag 'soc-drivers-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2026-02-10 20:45:30 -08:00
hwtracing
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i2c
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i3c
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2026-02-21 20:03:00 -08:00
idle
intel_idle: Add C-states validation
2026-01-07 21:17:43 +01:00
iio
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infiniband
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input
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interconnect
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iommu
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ipack
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irqchip
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isdn
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leds
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macintosh
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2026-02-21 20:03:00 -08:00
mailbox
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
mcb
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md
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media
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memory
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memstick
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message
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mfd
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misc
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mmc
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most
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mtd
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mux
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net
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nfc
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ntb
Merge tag 'kmalloc_obj-treewide-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2026-02-21 11:02:58 -08:00
nubus
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nvdimm
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nvme
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nvmem
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of
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opp
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parisc
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parport
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pci
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pcmcia
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peci
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perf
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phy
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pinctrl
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platform
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pmdomain
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pnp
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power
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powercap
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pps
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ps3
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ptp
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pwm
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rapidio
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ras
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regulator
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remoteproc
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resctrl
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reset
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rpmsg
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rtc
Merge tag 'rtc-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2026-02-22 09:43:11 -08:00
s390
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sbus
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scsi
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sh
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siox
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slimbus
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soc
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soundwire
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spi
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spmi
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ssb
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staging
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target
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tc
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tee
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thermal
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thunderbolt
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tty
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ufs
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uio
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usb
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vdpa
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vfio
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vhost
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video
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virt
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virtio
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w1
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watchdog
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xen
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zorro
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Kconfig
…
Makefile
phy: enter drivers/phy/Makefile even without CONFIG_GENERIC_PHY
2026-02-04 20:45:26 +05:30