kernel_samsung_a53x/drivers/media
Zheyu Ma f9f53bfad4 media: lgdt3306a: Add a check against null-pointer-def
commit c1115ddbda9c930fba0fdd062e7a8873ebaf898d upstream.

The driver should check whether the client provides the platform_data.

The following log reveals it:

[   29.610324] BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40
[   29.610730] Read of size 40 at addr 0000000000000000 by task bash/414
[   29.612820] Call Trace:
[   29.613030]  <TASK>
[   29.613201]  dump_stack_lvl+0x56/0x6f
[   29.613496]  ? kmemdup+0x30/0x40
[   29.613754]  print_report.cold+0x494/0x6b7
[   29.614082]  ? kmemdup+0x30/0x40
[   29.614340]  kasan_report+0x8a/0x190
[   29.614628]  ? kmemdup+0x30/0x40
[   29.614888]  kasan_check_range+0x14d/0x1d0
[   29.615213]  memcpy+0x20/0x60
[   29.615454]  kmemdup+0x30/0x40
[   29.615700]  lgdt3306a_probe+0x52/0x310
[   29.616339]  i2c_device_probe+0x951/0xa90

Link: https://lore.kernel.org/linux-media/20220405095018.3993578-1-zheyuma97@gmail.com
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-19 12:27:13 +01:00
..
cec media: cec: core: avoid confusing "transmit timed out" message 2024-11-19 12:27:08 +01:00
common media: v4l2-tpg: fix some memleaks in tpg_alloc 2024-11-19 08:44:51 +01:00
dvb-core media: edia: dvbdev: fix a use-after-free 2024-11-19 08:44:52 +01:00
dvb-frontends media: lgdt3306a: Add a check against null-pointer-def 2024-11-19 12:27:13 +01:00
firewire Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c media: tc358743: register v4l2 async device only after successful setup 2024-11-19 08:44:51 +01:00
mc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mmc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pci media: ngene: Add dvb_ca_en50221_init return value check 2024-11-19 12:26:58 +01:00
platform media: mediatek: vcodec: avoid -Wcast-function-type-strict warning 2024-11-19 08:44:55 +01:00
radio media: radio-shark2: Avoid led_names truncations 2024-11-19 12:26:58 +01:00
rc media: rc: bpf attach/detach requires write permission 2024-11-18 12:13:31 +01:00
spi Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
test-drivers media: vivid: avoid integer overflow 2024-11-18 11:43:15 +01:00
tuners media: xc4000: Fix atomicity violation in xc4000_get_frequency 2024-11-19 09:22:15 +01:00
usb media: flexcop-usb: fix sanity check of bNumEndpoints 2024-11-19 12:27:06 +01:00
v4l2-core media: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity 2024-11-19 08:44:52 +01:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00