diff options
| author | Simon Ser <simon.ser@intel.com> | 2019-07-19 14:55:14 +0300 |
|---|---|---|
| committer | Simon Ser <simon.ser@intel.com> | 2019-07-19 17:45:15 +0300 |
| commit | 10288a94dccead63efbd59d872c8c4ce9cf19788 (patch) | |
| tree | 9fea4a53b20f35f998431be3db5b18584d01865f /lib | |
| parent | 45c31e294b9d7874a9a21860f8a89c64bc853df2 (diff) | |
lib/igt_edid: assert data blocks fit in CEA extension
This check could probably be more precise, but at least it checks we haven't
written past the EDID block end.
Signed-off-by: Simon Ser <simon.ser@intel.com>
Reviewed-by: Martin Peres <martin.peres@linux.intel.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/igt_edid.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/igt_edid.c b/lib/igt_edid.c index af31d66f..1ad88970 100644 --- a/lib/igt_edid.c +++ b/lib/igt_edid.c @@ -460,6 +460,7 @@ void edid_ext_set_cea(struct edid_ext *ext, size_t data_blocks_size, assert(num_native_dtds <= 0x0F); assert((flags & 0x0F) == 0); + assert(data_blocks_size <= sizeof(cea->data)); cea->revision = 3; cea->dtd_start = 4 + data_blocks_size; cea->misc = flags | num_native_dtds; |