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| author | Xi Wang <xi.wang@gmail.com> | 2012-04-06 09:32:37 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-04-18 11:09:38 -0300 |
| commit | 0a3475eb618321013dab9ac744201ed09e8061f9 (patch) | |
| tree | f7a35e0a964fa25b09eeb9251276005a74d7c632 /drivers/staging/media | |
| parent | 5f0049bd69b96537dc7c02755c169fb4ccca3ddf (diff) | |
| download | linux-0a3475eb618321013dab9ac744201ed09e8061f9.tar.gz linux-0a3475eb618321013dab9ac744201ed09e8061f9.tar.bz2 linux-0a3475eb618321013dab9ac744201ed09e8061f9.zip | |
[media] v4l2-ctrls: fix integer overflow in try_set_ext_ctrls()
A large cs->count from userspace may overflow the allocation size,
leading to memory corruption. try_set_ext_ctrls() can be reached
from subdev_do_ioctl() or __video_do_ioctl().
Use kmalloc_array() to avoid the overflow.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/media')
0 files changed, 0 insertions, 0 deletions