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Justin Stitt da4e0ba419 tty: n_gsm: replace deprecated strncpy with strscpy 
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.

We expect nc->if_name to be NUL-terminated based on existing manual
NUL-byte assignments and checks:
|	nc.if_name[IFNAMSIZ-1] = '\0';
...
| 	if (nc->if_name[0] != '\0')

Let's use the new 2-argument strscpy() since it guarantees
NUL-termination on the destination buffer while correctly using the
destination buffers size to bound the operation.

Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20240318-strncpy-drivers-tty-n_gsm-c-v1-1-da37a07c642e@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-09 15:49:04 +02:00
..
accel
Merge tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel
2024-03-13 18:34:05 -07:00
accessibility
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
acpi
ACPI: thermal: Register thermal zones without valid trip points
2024-04-02 21:38:45 +02:00
amba
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android
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
ata
ata: sata_gemini: Check clk_enable() result
2024-04-04 12:42:00 +09:00
atm
atm: fore200e: Convert to platform remove callback returning void
2024-03-07 20:36:32 -08:00
auxdisplay
auxdisplay: img-ascii-lcd: Convert to platform remove callback returning void
2024-03-12 17:37:54 +02:00
base
Merge tag 'regmap-fix-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
2024-04-05 17:21:16 -07:00
bcma
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block
nullblk: Fix cleanup order in null_add_dev() error path
2024-04-02 07:43:24 -06:00
bluetooth
Bluetooth: qca: fix device-address endianness
2024-03-29 09:48:37 -04:00
bus
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
cache
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cdrom
cdrom: gdrom: Convert to platform remove callback returning void
2024-03-07 11:53:30 -07:00
cdx
cdx: add MSI support for CDX bus
2024-03-07 21:52:03 +00:00
char
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
clk
Merge tag 'soc-late-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2024-03-19 11:57:26 -07:00
clocksource
Merge tag 'timers-core-2024-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-03-23 14:42:45 -07:00
comedi
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
connector
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counter
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cpufreq
Merge tag 'riscv-for-linus-6.9-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2024-03-22 10:41:13 -07:00
cpuidle
Merge tag 'riscv-for-linus-6.9-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2024-03-22 10:41:13 -07:00
crypto
x86/CPU/AMD: Track SNP host status with cc_platform_*()
2024-04-04 10:40:30 +02:00
cxl
cxl: remove CONFIG_CXL_PMU entry in drivers/cxl/Kconfig
2024-03-27 01:58:34 +09:00
dax
Merge tag 'libnvdimm-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2024-03-15 11:58:32 -07:00
dca
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devfreq
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dio
dio: make dio_bus_type const
2024-03-07 20:37:04 +00:00
dma
Merge tag 'dmaengine-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2024-03-15 12:25:13 -07:00
dma-buf
Merge drm/drm-fixes into drm-misc-fixes
2024-03-25 21:11:58 +01:00
dpll
dpll: indent DPLL option type by a tab
2024-03-25 19:40:23 -07:00
edac
Merge tag 'edac_updates_for_v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
2024-03-11 18:14:06 -07:00
eisa
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extcon
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firewire
firewire: ohci: mask bus reset interrupts between ISR and bottom half
2024-04-06 09:36:46 +09:00
firmware
x86/efistub: Reinstate soft limit for initrd loading
2024-03-28 16:19:46 +01:00
fpga
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
fsi
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gnss
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gpio
gpio: cdev: fix missed label sanitizing in debounce_setup()
2024-04-04 18:57:08 +02:00
gpu
Merge tag 'drm-intel-fixes-2024-04-04' of https://anongit.freedesktop.org/git/drm/drm-intel into drm-fixes
2024-04-05 12:32:14 +10:00
greybus
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
hid
Merge tag 'hid-for-linus-2024031301' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2024-03-14 09:56:15 -07:00
hsi
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hte
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hv
Merge tag 'hyperv-next-signed-20240320' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2024-03-21 10:01:02 -07:00
hwmon
Merge tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-03-14 18:03:09 -07:00
hwspinlock
hwspinlock: omap: Use index to get hwspinlock pointer
2024-03-05 20:01:14 -08:00
hwtracing
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i2c
i2c: pxa: hide unused icr_bits[] variable
2024-04-04 01:07:57 +02:00
i3c
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idle
cpuidle: ACPI/intel: fix MWAIT hint target C-state computation
2024-03-05 21:25:18 +01:00
iio
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2024-03-18 15:34:03 -07:00
input
Merge tag 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2024-03-21 12:44:10 -07:00
interconnect
Merge tag 'icc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
2024-03-06 14:03:31 +00:00
iommu
x86/CPU/AMD: Track SNP host status with cc_platform_*()
2024-04-04 10:40:30 +02:00
ipack
ipack: make ipack_bus_type const
2024-03-07 20:32:47 +00:00
irqchip
irqchip/armada-370-xp: Suppress unused-function warning
2024-03-26 02:12:16 +01:00
isdn
isdn: capi: make capi_class constant
2024-03-07 20:26:24 -08:00
leds
Merge tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-03-14 18:03:09 -07:00
macintosh
Merge tag 'powerpc-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2024-03-15 17:53:48 -07:00
mailbox
Merge tag 'mailbox-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox
2024-03-13 12:23:36 -07:00
mcb
mcb: constify the struct device_type usage
2024-03-07 20:38:15 +00:00
md
dm integrity: fix out-of-range warning
2024-03-29 09:48:07 -04:00
media
spi: Merge up v6.8 release
2024-03-18 17:30:46 +00:00
memory
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
memstick
Merge tag 'mmc-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2024-03-13 10:59:28 -07:00
message
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mfd
Merge tag 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2024-03-21 12:44:10 -07:00
misc
Merge tag 'hardening-v6.9-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2024-03-23 08:43:21 -07:00
mmc
sdhci-of-dwcmshc: disable PM runtime in dwcmshc_remove()
2024-03-25 13:12:46 +01:00
most
most: core: make mostbus const
2024-03-07 20:32:38 +00:00
mtd
fs,block: yield devices early
2024-03-27 13:17:15 +01:00
mux
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net
Merge tag 'net-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-04-04 14:49:10 -07:00
nfc
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ntb
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nubus
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nvdimm
Merge tag 'libnvdimm-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2024-03-15 11:58:32 -07:00
nvme
nvme-fc: rename free_ctrl callback to match name pattern
2024-04-04 08:47:56 -07:00
nvmem
nvmem: core: Print error on wrong bits DT property
2024-03-07 20:21:53 +00:00
of
of: module: prevent NULL pointer dereference in vsnprintf()
2024-03-27 17:05:07 -05:00
opp
OPP: Extend dev_pm_opp_data with turbo support
2024-03-11 10:39:24 +05:30
parisc
parisc: led: Convert to platform remove callback returning void
2024-03-08 10:00:07 +01:00
parport
parport: sunbpp: Convert to platform remove callback returning void
2024-03-07 21:50:06 +00:00
pci
Merge tag 'pci-v6.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2024-03-14 10:58:27 -07:00
pcmcia
pcmcia: cs: make pcmcia_socket_class constant
2024-03-10 09:07:00 +01:00
peci
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perf
drivers/perf: riscv: Disable PERF_SAMPLE_BRANCH_* while not supported
2024-03-26 14:09:18 -07:00
phy
Merge tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2024-03-21 12:35:20 -07:00
pinctrl
Merge tag 'kbuild-fixes-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2024-03-31 11:23:51 -07:00
platform
Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-03-21 13:21:31 -07:00
pmdomain
Merge tag 'pmdomain-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
2024-03-13 11:33:10 -07:00
pnp
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power
Merge tag 'for-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
2024-03-14 10:19:48 -07:00
powercap
powercap: intel_rapl: Convert to platform remove callback returning void
2024-03-13 20:45:54 +01:00
pps
pps: use cflags-y instead of EXTRA_CFLAGS
2024-03-07 21:51:39 +00:00
ps3
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ptp
Merge tag 'net-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2024-03-12 17:44:08 -07:00
pwm
pwm: Fix setting period with #pwm-cells = <1> and of_pwm_single_xlate()
2024-03-29 13:50:10 +01:00
rapidio
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ras
RAS: Avoid build errors when CONFIG_DEBUG_FS=n
2024-03-26 21:48:21 +01:00
regulator
regulator: tps65132: Add of_match table
2024-03-25 19:28:27 +00:00
remoteproc
Merge tag 'rproc-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
2024-03-21 10:37:39 -07:00
reset
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rpmsg
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rtc
Merge tag 'rtc-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2024-03-21 17:16:46 -07:00
s390
s390/qeth: handle deferred cc1
2024-03-25 19:46:49 -07:00
sbus
Merge tag 'sparc-for-6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc
2024-03-15 12:47:21 -07:00
scsi
scsi: libsas: Align SMP request allocation to ARCH_DMA_MINALIGN
2024-04-01 21:34:23 -04:00
sh
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siox
Merge tag 'siox/for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
2024-03-21 15:18:18 -07:00
slimbus
slimbus: core: make slimbus_bus const
2024-03-07 20:21:39 +00:00
soc
Merge tag 'net-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-03-21 14:50:39 -07:00
soundwire
Merge tag 'soundwire-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
2024-03-15 12:22:52 -07:00
spi
spi: mchp-pci1xxx: Fix a possible null pointer dereference in pci1xxx_spi_probe
2024-04-03 11:04:58 +01:00
spmi
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ssb
…
staging
staging: vc04_services: fix information leak in create_component()
2024-03-25 19:10:01 +01:00
target
Merge branch '6.9/scsi-queue' into 6.9/scsi-fixes
2024-03-25 14:03:35 -04:00
tc
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tee
Merge tag 'soc-drivers-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2024-03-12 10:35:24 -07:00
thermal
thermal: gov_power_allocator: Allow binding without trip points
2024-04-03 16:32:15 +02:00
thunderbolt
Merge tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2024-03-21 12:35:20 -07:00
tty
tty: n_gsm: replace deprecated strncpy with strscpy
2024-04-09 15:49:04 +02:00
ufs
scsi: ufs: core: Fix MCQ mode dev command timeout
2024-04-01 21:43:46 -04:00
uio
Fix build errors due to new UIO_MEM_DMA_COHERENT mess
2024-03-27 09:48:47 -07:00
usb
USB: core: Fix deadlock in port "disable" sysfs attribute
2024-03-26 15:02:28 +01:00
vdpa
vDPA: report virtio-blk flush info to user space
2024-03-19 02:45:51 -04:00
vfio
Merge tag 'vfio-v6.9-rc1' of https://github.com/awilliam/linux-vfio
2024-03-15 13:21:13 -07:00
vhost
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2024-03-19 08:57:39 -07:00
video
fbdev: Select I/O-memory framebuffer ops for SBus
2024-03-25 21:34:08 +01:00
virt
virt: efi_secret: Convert to platform remove callback returning void
2024-03-09 11:37:18 +01:00
virtio
virtio: packed: fix unmap leak for indirect desc table
2024-03-19 03:19:22 -04:00
w1
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watchdog
Merge tag 'linux-watchdog-6.9-rc1' of git://www.linux-watchdog.org/linux-watchdog
2024-03-17 12:06:10 -07:00
xen
Merge tag 'for-linus-6.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2024-03-19 08:48:09 -07:00
zorro
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Kconfig
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Makefile
Revert "leds: Only descend into leds directory when CONFIG_NEW_LEDS is set"
2024-03-07 08:48:10 +00:00