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| author | Murray McAllister <murray.mcallister@insomniasec.com> | 2017-03-27 11:15:12 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2017-03-30 11:43:37 +0200 |
| commit | 63774069d9527a1aeaa4aa20e929ef5e8e9ecc38 (patch) | |
| tree | 45b99c756375c0db0953930cb52f7be1b2b814a2 /kernel | |
| parent | 36274ab8c596f1240c606bb514da329add2a1bcd (diff) | |
| download | linux-63774069d9527a1aeaa4aa20e929ef5e8e9ecc38.tar.bz2 | |
drm/vmwgfx: avoid calling vzalloc with a 0 size in vmw_get_cap_3d_ioctl()
In vmw_get_cap_3d_ioctl(), a user can supply 0 for a size that is
used in vzalloc(). This eventually calls dump_stack() (in warn_alloc()),
which can leak useful addresses to dmesg.
Add check to avoid a size of 0.
Cc: <stable@vger.kernel.org>
Signed-off-by: Murray McAllister <murray.mcallister@insomniasec.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions