| commit | 85d07fbe09efd1c529ff3e025e2f0d2c6c96a1b7 | [log] [tgz] |
|---|---|---|
| author | Daniel Xu <dxu@dxuuu.xyz> | Thu Oct 08 18:09:10 2020 -0700 |
| committer | David Sterba <dsterba@suse.com> | Mon Oct 26 15:03:48 2020 +0100 |
| tree | 8b61245838e4906ee46098b550e1930eee222b7b | |
| parent | cad69d139651423b9cb8917f514740ed3f08b10a [diff] |
btrfs: tree-checker: validate number of chunk stripes and parity If there's no parity and num_stripes < ncopies, a crafted image can trigger a division by zero in calc_stripe_length(). The image was generated through fuzzing. CC: stable@vger.kernel.org # 5.4+ Reviewed-by: Qu Wenruo <wqu@suse.com> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=209587 Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Signed-off-by: David Sterba <dsterba@suse.com>