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Roman Smirnov 48d6bcfc31 fbmon: prevent division by zero in fb_videomode_from_videomode() 
[ Upstream commit c2d953276b ]

The expression htotal * vtotal can have a zero value on
overflow. It is necessary to prevent division by zero like in
fb_var_to_videomode().

Found by Linux Verification Center (linuxtesting.org) with Svace.

Signed-off-by: Roman Smirnov <r.smirnov@omp.ru>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-04-13 13:01:47 +02:00
..
accessibility speakup: Fix 8bit characters from direct synth 2024-04-10 16:18:40 +02:00
acpi Revert "ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default" 2024-04-13 13:01:45 +02:00
amba amba: bus: fix refcount leak 2023-09-19 12:22:47 +02:00
android binder: signal epoll threads of self-work 2024-02-23 08:55:06 +01:00
ata ata: sata_mv: Fix PCI device ID table declaration compilation warning 2024-04-10 16:19:41 +02:00
atm atm: idt77252: fix a memleak in open_card_ubr0 2024-02-23 08:54:57 +01:00
auxdisplay auxdisplay: hd44780: Fix potential memory leak in hd44780_remove() 2023-03-11 13:57:22 +01:00
base driver core: Introduce device_link_wait_removal() 2024-04-10 16:19:42 +02:00
bcma Driver core update for 5.15-rc1 2021-09-01 08:44:42 -07:00
block aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts 2024-03-26 18:21:15 -04:00
bluetooth Bluetooth: btintel: Fix null ptr deref in btintel_read_version 2024-04-13 13:01:44 +02:00
bus bus: tegra-aconnect: Update dependency to ARCH_TEGRA 2024-03-26 18:21:19 -04:00
cdrom scsi: sr: cdrom: Move cdrom_read_cdda_bpc() into the sr driver 2021-07-30 22:13:09 -04:00
char hwrng: core - Fix page fault dead lock on mmap-ed hwrng 2024-02-23 08:54:24 +01:00
clk clk: qcom: mmcc-msm8974: fix terminating of frequency table arrays 2024-04-10 16:18:37 +02:00
clocksource clocksource/drivers/arm_global_timer: Fix maximum prescaler value 2024-04-10 16:18:46 +02:00
comedi comedi: comedi_test: Prevent timers rescheduling during deletion 2024-03-26 18:21:34 -04:00
connector net/connector: Add const qualifier to cb_id 2020-12-16 11:06:49 -08:00
counter counter: microchip-tcb-capture: Fix the use of internal GCLK logic 2023-10-19 23:05:37 +02:00
cpufreq cpufreq: brcmstb-avs-cpufreq: fix up "add check for cpufreq_cpu_get's return value" 2024-04-10 16:18:44 +02:00
cpuidle cpuidle: Avoid potential overflow in integer multiplication 2024-04-13 13:01:43 +02:00
crypto crypto: qat - resolve race condition during AER recovery 2024-04-10 16:18:35 +02:00
cxl cxl/mem: Fix shutdown order 2023-11-20 11:08:27 +01:00
dax dax/kmem: Pass valid argument to memory_group_register_static 2023-07-23 13:47:17 +02:00
dca dca: Use PTR_ERR_OR_ZERO() to simplify code 2020-05-15 16:25:20 +02:00
devfreq PM / devfreq: Synchronize devfreq_monitor_[start/stop] 2024-02-23 08:54:38 +01:00
dio drivers: dio: fix possible memory leak in dio_init() 2022-12-31 13:14:27 +01:00
dma dmaengine: tegra210-adma: Update dependency to ARCH_TEGRA 2024-03-26 18:21:25 -04:00
dma-buf dma-buf: add dma_fence_timestamp helper 2024-02-23 08:55:10 +01:00
edac EDAC/thunderx: Fix possible out-of-bounds string access 2024-01-25 14:52:32 -08:00
eisa EISA: use DEVICE_ATTR_RO() helper macro 2021-06-04 15:28:34 +02:00
extcon extcon: usbc-tusb320: Convert to i2c's .probe_new() 2023-07-23 13:47:31 +02:00
firewire firewire: core: use long bus reset on gap count error 2024-03-26 18:21:13 -04:00
firmware efivarfs: Request at most 512 bytes for variable names 2024-04-10 16:19:30 +02:00
fpga fpga: bridge: fix kernel-doc parameter description 2023-05-11 23:00:31 +09:00
fsi fsi: aspeed: Reset master errors after CFAM reset 2023-09-19 12:22:46 +02:00
gnss treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
gpio gpio: fix resource unwinding order in error path 2024-03-06 14:38:50 +00:00
gpu drm/amd/display: Fix nanosec stat overflow 2024-04-13 13:01:45 +02:00
greybus greybus: svc: fix an error handling bug in gb_svc_hello() 2022-04-08 14:22:50 +02:00
hid HID: uhid: Use READ_ONCE()/WRITE_ONCE() for ->running 2024-04-10 16:19:42 +02:00
hsi HSI: omap_ssi_core: Fix error handling in ssi_init() 2022-12-31 13:14:32 +01:00
hv Drivers: hv: vmbus: Fix vmbus_wait_for_unload() to scan present CPUs 2023-06-28 10:29:42 +02:00
hwmon hwmon: (amc6821) add of_match table 2024-04-10 16:18:40 +02:00
hwspinlock hwspinlock: qcom: correct MMIO max register for newer SoCs 2022-11-16 09:58:13 +01:00
hwtracing coresight: etm4x: Fix width of CCITMIN field 2024-01-25 14:52:32 -08:00
i2c i2c: i801: Avoid potential double call to gpiod_remove_lookup_table 2024-04-10 16:18:46 +02:00
i3c i3c: master: cdns: Update maximum prescaler value for i2c clock 2024-02-23 08:54:50 +01:00
idle intel_idle: Disable IBRS during long idle 2022-07-23 12:54:04 +02:00
iio iio: accel: bma400: Fix a compilation problem 2024-02-23 08:55:07 +01:00
infiniband RDMA/cm: add timeout to cm_destroy_id wait 2024-04-13 13:01:45 +02:00
input Input: synaptics-rmi4 - fail probing if memory allocation for "phys" fails 2024-04-13 13:01:44 +02:00
interconnect Revert "interconnect: Teach lockdep about icc_bw_lock order" 2024-03-06 14:38:50 +00:00
iommu iommu/dma: Force swiotlb_max_mapping_size on an untrusted device 2024-04-10 16:18:47 +02:00
ipack ipack: ipoctal: fix module reference leak 2021-09-27 17:38:49 +02:00
irqchip irqchip/gic-v3-its: Fix GICv4.1 VPE affinity update 2024-02-23 08:55:09 +01:00
isdn mISDN: Update parameter type of dsp_cmx_send() 2023-08-16 18:22:01 +02:00
leds leds: sgm3140: Add missing timer cleanup and flash gpio control 2024-03-26 18:21:31 -04:00
macintosh macintosh: via-pmu-led: requires ATA to be set 2023-05-11 23:00:34 +09:00
mailbox mailbox: arm_mhuv2: Fix a bug for mhuv2_sender_interrupt 2024-02-23 08:54:50 +01:00
mcb mcb: fix error handling for different scenarios when parsing 2023-11-28 16:56:31 +00:00
md dm integrity: fix out-of-range warning 2024-04-10 16:19:36 +02:00
media media: sta2x11: fix irq handler cast 2024-04-13 13:01:45 +02:00
memory memory: brcmstb_dpfe: fix testing array offset after use 2023-07-23 13:47:03 +02:00
memstick memstick r592: make memstick_debug_get_tpc_name() static 2023-07-23 13:46:52 +02:00
message scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition 2023-05-24 17:36:45 +01:00
mfd mfd: altera-sysmgr: Call of_node_put() only when of_parse_phandle() takes a ref 2024-03-26 18:21:29 -04:00
misc VMCI: Fix memcpy() run-time warning in dg_dispatch_as_host() 2024-04-13 13:01:43 +02:00
mmc mmc: core: Avoid negative index with array access 2024-04-10 16:19:31 +02:00
most most: fix control-message timeouts 2021-11-18 19:16:08 +01:00
mtd mtd: rawnand: meson: fix scrambling mode value in command macro 2024-04-10 16:18:36 +02:00
mux mux: gpio: Simplify code by using dev_err_probe() 2021-04-02 16:28:53 +02:00
net wifi: ath11k: decrease MHI channel buffer length to 8KB 2024-04-13 13:01:43 +02:00
nfc nfcsim.c: Fix error checking for debugfs_create_dir 2023-06-28 10:29:51 +02:00
ntb NTB: fix possible name leak in ntb_register_device() 2024-03-26 18:21:28 -04:00
nubus nubus: Partially revert proc_create_single_data() conversion 2023-07-05 18:25:05 +01:00
nvdimm nd_btt: Make BTT lanes preemptible 2023-11-20 11:08:22 +01:00
nvme drivers/nvme: Add quirks for device 126f:2262 2024-04-13 13:01:46 +02:00
nvmem nvmem: meson-efuse: fix function pointer type mismatch 2024-04-10 16:18:40 +02:00
of of: dynamic: Synchronize of_changeset_destroy() with the devlink removals 2024-04-10 16:19:42 +02:00
opp OPP: debugfs: Fix warning around icc_get_name() 2024-03-26 18:21:23 -04:00
parisc parisc: iosapic.c: Fix sparse warnings 2023-10-06 13:18:15 +02:00
parport parport: parport_serial: Add Brainboxes device IDs and geometry 2024-01-25 14:52:31 -08:00
pci PCI/DPC: Quirk PIO log size for Intel Ice Lake Root Ports 2024-04-10 16:19:34 +02:00
pcmcia pcmcia: ds: fix possible name leak in error path in pcmcia_device_add() 2023-11-20 11:08:27 +01:00
perf perf: hisi: Fix use-after-free when register pmu fails 2023-11-20 11:08:21 +01:00
phy phy: tegra: xusb: Add API to retrieve the port number of phy 2024-04-10 16:18:40 +02:00
pinctrl pinctrl: renesas: checker: Limit cfg reg enum checks to provided IDs 2024-04-13 13:01:44 +02:00
platform platform/x86: touchscreen_dmi: Add an extra entry for a variant of the Chuwi Vi8 tablet 2024-04-13 13:01:46 +02:00
pnp PNP: ACPI: fix fortify warning 2024-02-23 08:54:38 +01:00
power power: supply: bq27xxx-i2c: Do not free non existing IRQ 2024-03-06 14:38:48 +00:00
powercap powercap: RAPL: Fix CONFIG_IOSF_MBI dependency 2023-07-23 13:46:46 +02:00
pps pps: clients: gpio: Propagate return value from pps_gpio_probe 2022-04-08 14:23:44 +02:00
ps3 powerpc/ps3: Warn on PS3 device errors 2021-06-10 21:44:58 +10:00
ptp ptp: annotate data-race around q->head and q->tail 2023-11-28 16:56:23 +00:00
pwm pwm: sti: Fix capture for st,pwm-num-chan < st,capture-num-chan 2024-03-26 18:21:18 -04:00
rapidio rapidio: devices: fix missing put_device in mport_cdev_open 2022-12-31 13:14:05 +01:00
ras RAS/CEC: Correct ce_add_elem()'s returned values 2021-04-07 11:52:26 +02:00
regulator regulator: pwm-regulator: Add validity checks in continuous .get_voltage 2024-03-01 13:21:45 +01:00
remoteproc remoteproc: stm32: fix incorrect optional pointers 2024-03-26 18:21:37 -04:00
reset reset: hisilicon: hi6220: fix Wvoid-pointer-to-enum-cast warning 2024-01-25 14:52:30 -08:00
rpmsg rpmsg: virtio: Free driver_override when rpmsg_remove() 2024-02-23 08:54:24 +01:00
rtc rtc: mt6397: select IRQ_DOMAIN instead of depending on it 2024-03-26 18:21:34 -04:00
s390 s390/qeth: handle deferred cc1 2024-04-10 16:19:35 +02:00
sbus module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
scsi scsi: lpfc: Fix possible memory leak in lpfc_rcv_padisc() 2024-04-13 13:01:44 +02:00
sh genirq: Add and use an irq_data_update_affinity helper 2023-03-11 13:57:31 +01:00
siox siox: fix possible memory leak in siox_device_add() 2022-11-26 09:24:36 +01:00
slimbus slimbus: core: Remove usage of the deprecated ida_simple_xx() API 2024-04-10 16:18:40 +02:00
soc soc: fsl: qbman: Use raw spinlock for cgr_lock 2024-04-10 16:18:42 +02:00
soundwire soundwire: stream: fix NULL pointer dereference for multi_link 2023-12-20 15:17:41 +01:00
spi spi: spi-mt65xx: Fix NULL pointer access in interrupt handler 2024-03-26 18:21:37 -04:00
spmi spmi: Add a check for remove callback when removing a SPMI driver 2023-05-11 23:00:34 +09:00
ssb bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
staging staging: vc04_services: fix information leak in create_component() 2024-04-10 16:19:32 +02:00
target scsi: target: core: Add TMF to tmr_list handling 2024-03-01 13:21:43 +01:00
tc The main MIPS changes for 5.6: 2020-01-31 11:28:31 -08:00
tee tee: optee: Fix kernel panic caused by incorrect error handling 2024-04-10 16:18:46 +02:00
thermal thermal: devfreq_cooling: Fix perf state when calculate dfc res_util 2024-04-10 16:19:37 +02:00
thunderbolt thunderbolt: Check that lane 1 is in CL0 before enabling lane bonding 2023-10-19 23:05:36 +02:00
tty serial: sc16is7xx: convert from _raw_ to _noinc_ regmap functions for FIFO 2024-04-10 16:19:30 +02:00
uio uio: Fix use-after-free in uio_open 2024-01-25 14:52:31 -08:00
usb usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined 2024-04-13 13:01:46 +02:00
vdpa vdpa/mlx5: Allow CVQ size changes 2024-03-26 18:21:36 -04:00
vfio vfio/fsl-mc: Block calling interrupt handler without trigger 2024-04-10 16:19:30 +02:00
vhost vhost: use kzalloc() instead of kmalloc() followed by memset() 2024-02-23 08:55:00 +01:00
video fbmon: prevent division by zero in fb_videomode_from_videomode() 2024-04-13 13:01:47 +02:00
virt vboxguest: Do not use devm for irq 2022-08-25 11:40:33 +02:00
virtio virtio-mmio: fix memory leak of vm_dev 2023-11-08 17:26:36 +01:00
visorbus visorbus: fix error return code in visorchipset_init() 2021-06-04 15:27:26 +02:00
vlynq bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
vme vme: Fix error not catched in fake_init() 2022-12-31 13:14:30 +01:00
w1 w1: fix loop in w1_fini() 2023-07-23 13:47:20 +02:00
watchdog watchdog: stm32_iwdg: initialize default timeout 2024-03-26 18:21:33 -04:00
xen xen/events: close evtchn after mapping cleanup 2024-04-10 16:18:46 +02:00
zorro zorro: Drop useless (and hardly used) .driver member in struct zorro_dev 2021-08-05 14:37:04 +02:00
Kconfig firmware: include drivers/firmware/Kconfig unconditionally 2021-10-07 16:51:26 +02:00
Makefile virtio: always enter drivers/virtio/ 2021-12-22 09:32:39 +01:00