| commit | 9f645bcc566a1e9f921bdae7528a01ced5bc3713 | [log] [tgz] |
|---|---|---|
| author | Kees Cook <keescook@chromium.org> | Fri May 11 18:24:12 2018 +1000 |
| committer | Kees Cook <keescook@chromium.org> | Tue Jun 12 16:19:22 2018 -0700 |
| tree | 6a89ba3f5af7cb4c8415a8dd2589146b3018bed7 | |
| parent | 353748a359f1821ee934afc579cf04572406b420 [diff] |
video: uvesafb: Fix integer overflow in allocation
cmap->len can get close to INT_MAX/2, allowing for an integer overflow in
allocation. This uses kmalloc_array() instead to catch the condition.
Reported-by: Dr Silvio Cesare of InfoSect <silvio.cesare@gmail.com>
Fixes: 8bdb3a2d7df48 ("uvesafb: the driver core")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>