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| author | Peilin Ye <yepeilin.cs@gmail.com> | 2020-07-27 11:00:02 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-08-26 17:29:36 +0300 |
| commit | 4ffb879ea648c2b42da4ca992ed3db87e564af69 (patch) | |
| tree | 3a7d497d8c8215edcbe5b466a71f759190689030 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | bec2ddfd39f07ac2c1dec9fd5299424ad75c0a9d (diff) | |
| download | linux-4ffb879ea648c2b42da4ca992ed3db87e564af69.tar.xz | |
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: 1a6c0b36dd19 ("media: v4l2-core: fix VIDIOC_DQEVENT for time64 ABI")
Fixes: 577c89b0ce72 ("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>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions