Peilin Ye 4ffb879ea6 media: media/v4l2-core: Fix kernel-infoleak in video_put_user() ... video_put_user() is copying uninitialized stack memory to userspace due to the compiler not initializing holes in the structures declared on the stack. Fix it by initializing `ev32` and `vb32` using memset(). Reported-and-tested-by: syzbot+79d751604cb6f29fbf59@syzkaller.appspotmail.com Link: https://syzkaller.appspot.com/bug?extid=79d751604cb6f29fbf59 Cc: stable@vger.kernel.org Fixes: 1a6c0b36dd ("media: v4l2-core: fix VIDIOC_DQEVENT for time64 ABI") Fixes: 577c89b0ce ("media: v4l2-core: fix v4l2_buffer handling for time64 ABI") Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>		2020-08-26 16:29:36 +02:00
..
cec	cec-api: prevent leaking memory through hole in structure	2020-07-19 07:43:14 +02:00
common	media: videobuf2: Print videobuf2 buffer state by name	2020-07-19 14:25:36 +02:00
dvb-core	media: videobuf2: add queue memory consistency parameter	2020-06-23 13:31:12 +02:00
dvb-frontends	media updates for v5.9-rc1	2020-08-07 13:00:53 -07:00
firewire	media: firewire: Using uninitialized values in node_probe()	2020-07-04 11:57:10 +02:00
i2c	media: i2c: Add RDACM20 driver	2020-07-19 14:15:42 +02:00
mc	media: media-request: Fix crash if memory allocation fails	2020-06-23 15:19:37 +02:00
mmc	media updates for v5.8-rc1	2020-06-03 20:59:38 -07:00
pci	pci-v5.9-changes	2020-08-07 18:48:15 -07:00
platform	media: ti-vpe: cal: Fix compilation on 32-bit ARM	2020-08-26 16:28:57 +02:00
radio	media: radio: remove redundant assignment to variable retval	2020-08-06 11:28:21 +02:00
rc	media: imon: Replace http links with https ones	2020-07-19 14:00:32 +02:00
spi	media: i2c/Kconfig: use sub-menus for I2C support	2020-04-16 10:34:40 +02:00
test-drivers	media: vimc: Add a control to display info on test image	2020-07-19 13:39:22 +02:00
tuners	treewide: Remove uninitialized_var() usage	2020-07-16 12:35:15 -07:00
usb	media updates for v5.9-rc1	2020-08-07 13:00:53 -07:00
v4l2-core	media: media/v4l2-core: Fix kernel-infoleak in video_put_user()	2020-08-26 16:29:36 +02:00
Kconfig	media: media/test_drivers: rename to test-drivers	2020-04-16 10:38:31 +02:00
Makefile	media: media/test_drivers: rename to test-drivers	2020-04-16 10:38:31 +02:00