| commit | 5b2d06576c5410c10d95adfd5c4d8b24de861d87 | [log] [tgz] |
|---|---|---|
| author | Mikulas Patocka <mpatocka@redhat.com> | Fri Nov 22 19:52:06 2013 -0500 |
| committer | Mike Snitzer <snitzer@redhat.com> | Tue Dec 10 16:34:27 2013 -0500 |
| tree | 252b895b66b63a84a166af0142472cdf3a1c3640 | |
| parent | 230c83afdd9cd384348475bea1e14b80b3b6b1b8 [diff] |
dm table: fail dm_table_create on dm_round_up overflow The dm_round_up function may overflow to zero. In this case, dm_table_create() must fail rather than go on to allocate an empty array with alloc_targets(). This fixes a possible memory corruption that could be caused by passing too large a number in "param->target_count". Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org